Sleep Is Your Superpower | Matt Walker | TED

14,399,362 views ใƒป 2019-06-03

TED


ูŠุฑุฌู‰ ุงู„ู†ู‚ุฑ ู†ู‚ุฑู‹ุง ู…ุฒุฏูˆุฌู‹ุง ููˆู‚ ุงู„ุชุฑุฌู…ุฉ ุงู„ุฅู†ุฌู„ูŠุฒูŠุฉ ุฃุฏู†ุงู‡ ู„ุชุดุบูŠู„ ุงู„ููŠุฏูŠูˆ.

ุงู„ู…ุชุฑุฌู…: Mohamed Al-Dose ุงู„ู…ุฏู‚ู‘ู‚: Riyad Almubarak
00:12
Thank you very much.
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ุดูƒุฑู‹ุง ุฌุฒูŠู„ู‹ุง ู„ูƒู….
00:14
Well, I would like to start with testicles.
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ุฃูˆุฏู‘ู ุฃู† ุฃุจุฏุฃ ุญุฏูŠุซูŠ ุจู€ุงู„ุฎุตูŠุชูŠู†.
00:18
(Laughter)
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00:21
Men who sleep five hours a night
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ุงู„ุฑู‘ุฌุงู„ ุงู„ุฐูŠู† ูŠู†ุงู…ูˆู† ุฎู…ุณ ุณุงุนุงุช ููŠ ุงู„ู„ู‘ูŠู„
00:23
have significantly smaller testicles than those who sleep seven hours or more.
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ูŠู…ุชู„ูƒูˆู† ุฎุตูŠุชูŠู† ุฃุตุบุฑ ุจูƒุซูŠุฑ ู…ู‚ุงุฑู†ุฉู‹ ุจู‡ุคู„ุงุก ุงู„ู‘ุฐูŠู† ูŠู†ุงู…ูˆู† ุณุจุน ุณุงุนุงุช ุฃูˆ ุฃูƒุซุฑ.
00:29
(Laughter)
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00:32
In addition, men who routinely sleep just four to five hours a night
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ุจุงู„ุฅุถุงูุฉ ุฅู„ู‰ ุฐู„ูƒุŒ ุงู„ุฑู‘ุฌุงู„ ุงู„ู‘ุฐูŠู† ูŠู†ุงู…ูˆู† ุนุงุฏุฉู‹ ุจูŠู† ุงู„ุฃุฑุจุน ูˆุงู„ุฎู…ุณ ุณุงุนุงุช ูู‚ุท ููŠ ุงู„ู„ูŠู„
00:37
will have a level of testosterone
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ุณูŠูƒูˆู† ู„ุฏูŠู‡ู… ู…ุณุชูˆู‰ ู…ู† ุงู„ุชุณุชูˆุณุชูŠุฑูˆู†
00:39
which is that of someone 10 years their senior.
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ุจู…ุณุชูˆู‰ ุดุฎุต ุฃูƒุจุฑ ู…ู†ู‡ู… ุจุนุดุฑ ุณู†ูˆุงุช.
00:45
So a lack of sleep will age a man by a decade
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ู„ุฐุง ูุฅู†ู‘ ู†ู‚ุต ุงู„ู†ูˆู… ุณูŠูู‡ุฑู… ุงู„ุฑู‘ุฌู„ ุนุดุฑ ุณู†ูˆุงุชู
00:48
in terms of that critical aspect of wellness.
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ู…ู† ุญูŠุซ ุฐู„ูƒ ุงู„ุฌุงู†ุจ ุงู„ุฃุณุงุณูŠ ู…ู† ุงู„ุตู‘ุญู‘ุฉ.
00:53
And we see equivalent impairments in female reproductive health
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ูˆู†ู„ุงุญุธ ุฎู„ู„ู‹ุง ู…ุดุงุจู‡ู‹ุง ููŠ ุงู„ุตู‘ุญู‘ุฉ ุงู„ุฅู†ุฌุงุจูŠู‘ุฉ ู„ุฏู‰ ุงู„ุฃู†ุซู‰
00:58
caused by a lack of sleep.
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ุจุณุจุจ ู†ู‚ุต ุงู„ู†ูˆู….
01:03
This is the best news that I have for you today.
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ู‡ุฐู‡ ุฃูุถู„ ุงู„ุฃุฎุจุงุฑ ุงู„ุชูŠ ุฃุญู…ู„ู‡ุง ุฅู„ูŠูƒู… ุงู„ูŠูˆู….
01:05
(Laughter)
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01:08
From this point, it may only get worse.
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ูู…ู† ู‡ุฐู‡ ุงู„ู„ุญุธุฉุŒ ูุฅู† ุงู„ุฃู…ุฑ ู‚ุฏ ูŠุฒุฏุงุฏ ุณูˆุกู‹ุง.
01:10
Not only will I tell you about the wonderfully good things
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ู„ู† ุฃุฎุจุฑูƒู… ูู‚ุท ุจุงู„ุฃุดูŠุงุก ุงู„ุฌูŠู‘ุฏุฉ ุงู„ุฑู‘ุงุฆุนุฉ
01:13
that happen when you get sleep,
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ุงู„ู‘ุชูŠ ุชุญุฏุซ ุนู†ุฏู…ุง ุชู†ุงู…ุŒ
01:15
but the alarmingly bad things that happen when you don't get enough,
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ุจู„ ุจุงู„ุฃุดูŠุงุก ุงู„ุณู‘ูŠู‘ุฆุฉ ุงู„ู…ู‚ู„ู‚ุฉ ุงู„ู‘ุชูŠ ุชุญุฏุซ ุนู†ุฏู…ุง ู„ุง ุชุญุตู„ ุนู„ู‰ ู†ูˆู… ูƒุงููุŒ
01:20
both for your brain and for your body.
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ู„ุฌุณู…ููƒ ูˆุฏู…ุงุบููƒ ุนู„ู‰ ุงู„ุณู‘ูˆุงุก.
01:23
Let me start with the brain
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ุฏุนูˆู†ูŠ ุฃุจุฏุฃ ุจุงู„ุฏู‘ู…ุงุบ
01:25
and the functions of learning and memory,
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ูˆูˆุธุงุฆู ุงู„ุชู‘ุนู„ู‘ู… ูˆุงู„ุฐู‘ุงูƒุฑุฉุŒ
01:28
because what we've discovered over the past 10 or so years
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ู„ุฃู†ู‘ ู…ุง ุงูƒุชุดูู†ุงู‡ ููŠ ุงู„ุนุดุฑ ุณู†ูˆุงุช ุงู„ุฃุฎูŠุฑุฉ ุฃูˆ ู†ุญูˆ ุฐู„ูƒ
01:32
is that you need sleep after learning
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ุฃู†ู‘ูƒ ุชุญุชุงุฌ ุฅู„ู‰ ุงู„ู†ู‘ูˆู… ุจุนุฏ ุงู„ุชู‘ุนู„ู‘ู…
01:35
to essentially hit the save button on those new memories
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ู„ุชุถุบุท ุนู„ู‰ ุฒุฑู‘ ุงู„ุญูุธ ู„ู‡ุฐู‡ ุงู„ุฐู‘ูƒุฑูŠุงุช ุงู„ุฌุฏูŠุฏุฉ
01:38
so that you don't forget.
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ูƒูŠ ู„ุง ุชู†ุณู‰.
01:40
But recently, we discovered that you also need sleep before learning
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ูˆู„ูƒู†ู‘ู†ุง ุงูƒุชุดูู†ุง ุญุฏูŠุซู‹ุง ุฃู†ู‘ูƒ ุชุญุชุงุฌ ุฅู„ู‰ ุงู„ู†ู‘ูˆู… ู‚ุจู„ ุงู„ุชู‘ุนู„ู‘ู… ุฃูŠุถู‹ุง
01:46
to actually prepare your brain,
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ู„ุชุฌู‡ู‘ุฒ ุฏู…ุงุบูƒุŒ
01:49
almost like a dry sponge
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ุชู‚ุฑูŠุจู‹ุง ู…ุซู„ ุฅุณูู†ุฌุฉ ุฌุงูู‘ุฉ
01:51
ready to initially soak up new information.
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ุฌุงู‡ุฒุฉ ููŠ ุงู„ุจุฏุงูŠุฉ ูƒูŠ ุชู…ุชุต ู…ุนู„ูˆู…ุงุช ุฌุฏูŠุฏุฉ.
01:55
And without sleep, the memory circuits of the brain
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ูˆุจุฏูˆู† ุงู„ู†ู‘ูˆู…ุŒ ูุฅู† ู…ู…ุฑู‘ุงุช ุงู„ุฐู‘ุงูƒุฑุฉ ููŠ ุงู„ุฏู‘ู…ุงุบ
01:58
essentially become waterlogged, as it were,
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ุชุตุจุญ ู…ุบู…ูˆุฑุฉู‹ ุจุงู„ู…ูŠุงู‡ุŒ ุฅุฐุง ุฌุงุฒ ุงู„ุชู‘ุนุจูŠุฑุŒ
02:01
and you can't absorb new memories.
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ูˆู„ู† ุชุชู…ูƒู† ู…ู† ุงู…ุชุตุงุต ู…ุนู„ูˆู…ุงุช ุฌุฏูŠุฏุฉ.
02:04
So let me show you the data.
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ู„ุฐุง ุฏุนูˆู†ูŠ ุฃุฑูŠูƒู… ุงู„ุจูŠุงู†ุงุช.
02:06
Here in this study, we decided to test the hypothesis
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ู‡ู†ุง ููŠ ู‡ุฐู‡ ุงู„ุฏู‘ุฑุงุณุฉุŒ ู‚ุฑุฑู‘ู†ุง ุฏุฑุงุณุฉ ุงู„ูุฑุถูŠู‘ุฉ
02:10
that pulling the all-nighter was a good idea.
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ุงู„ู‚ุงุฆู„ุฉ ุจุฃู†ู‘ ุงู„ุณู‘ู‡ุฑ ุทูˆุงู„ ุงู„ู„ู‘ูŠู„ ู‡ูŠ ููƒุฑุฉ ุฌูŠู‘ุฏุฉ.
02:14
So we took a group of individuals
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ู„ุฐุง ุฃุฎุฐู†ุง ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ุฃูุฑุงุฏ
02:16
and we assigned them to one of two experimental groups:
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ูˆูุฑุฒู†ุงู‡ู… ุฅู„ู‰ ูˆุงุญุฏุฉ ู…ู† ู…ุฌู…ูˆุนุชูŠู† ุชุฌุฑูŠุจูŠู‘ุชูŠู†:
02:20
a sleep group and a sleep deprivation group.
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ู…ุฌู…ูˆุนุฉ ุงู„ู†ู‘ูˆู… ูˆู…ุฌู…ูˆุนุฉ ุงู„ุญุฑู…ุงู† ู…ู† ุงู„ู†ู‘ูˆู….
02:23
Now the sleep group, they're going to get a full eight hours of slumber,
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ุณุชุญุตู„ ู…ุฌู…ูˆุนุฉ ุงู„ู†ู‘ูˆู… ุนู„ู‰ ุซู…ุงู†ูŠ ุณุงุนุงุช ูƒุงู…ู„ุฉ ู…ู† ุงู„ู†ู‘ูˆู…ุŒ
02:28
but the deprivation group, we're going to keep them awake
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ูˆู„ูƒู† ุณู†ุจู‚ูŠ ู…ุฌู…ูˆุนุฉ ุงู„ุญุฑู…ุงู† ู…ู† ุงู„ู†ูˆู… ู…ุณุชูŠู‚ุธุฉ
02:31
in the laboratory, under full supervision.
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ููŠ ุงู„ู…ุฎุจุฑุŒ ุชุญุช ู…ุฑุงู‚ุจุฉ ูƒุงู…ู„ุฉ.
02:33
There's no naps or caffeine, by the way, so it's miserable for everyone involved.
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ู„ุง ูŠูˆุฌุฏ ุฃูŠ ู‚ูŠู„ูˆู„ุฉ ุฃูˆ ูƒุงููŠูŠู† ุจุงู„ู…ู†ุงุณุจุฉุŒ ู„ุฐุง ูุงู„ุฃู…ุฑ ุชุนูŠุณ ู„ูƒู„ู‘ ุงู„ู…ุดุงุฑูƒูŠู†.
02:38
And then the next day,
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ูˆููŠ ุงู„ูŠูˆู… ุงู„ุชู‘ุงู„ูŠุŒ
02:40
we're going to place those participants inside an MRI scanner
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ุณู†ุฏุฎู„ ู‡ุคู„ุงุก ุงู„ู…ุดุงุฑูƒูŠู† ุฏุงุฎู„ ุฌู‡ุงุฒ ุงู„ุชุตูˆูŠุฑ ุจุงู„ุฑู‘ู†ูŠู† ุงู„ู…ุบู†ุงุทูŠุณูŠ
02:44
and we're going to have them try and learn a whole list of new facts
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ูˆุณู†ุฌุนู„ู‡ู… ูŠุญุงูˆู„ูˆู† ุชุนู„ู‘ู… ู‚ุงุฆู…ุฉ ูƒุงู…ู„ุฉ ุจู…ุนู„ูˆู…ุงุช ุฌุฏูŠุฏุฉ
02:48
as we're taking snapshots of brain activity.
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ููŠ ุงู„ูˆู‚ุช ุงู„ุฐูŠ ู†ุฃุฎุฐ ููŠู‡ ู„ู‚ุทุงุช ููˆุชูˆุบุฑุงููŠุฉ ู„ู†ุดุงุท ุงู„ุฏู‘ู…ุงุบ.
02:51
And then we're going to test them
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ูˆุจุนุฏู‡ุง ุณู†ุฎุชุจุฑู‡ู…
02:53
to see how effective that learning has been.
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ู„ู†ุฑู‰ ู…ุฏู‰ ูุนุงู„ูŠู‘ุฉ ุฐู„ูƒ ุงู„ุชู‘ุนู„ู‘ู….
02:56
And that's what you're looking at here on the vertical axis.
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ูˆู‡ุฐุง ู…ุง ุชู†ุธุฑูˆู† ุฅู„ูŠู‡ ู‡ู†ุง ุนู„ู‰ ุงู„ู…ุญูˆุฑ ุงู„ุฑุฃุณูŠ.
03:00
And when you put those two groups head to head,
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ูˆุนู†ุฏู…ุง ุชุถุน ู‡ุงุชูŠู† ุงู„ู…ุฌู…ูˆุนุชูŠู† ูˆุฌู‡ู‹ุง ู„ูˆุฌู‡ุŒ
03:03
what you find is a quite significant, 40-percent deficit
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ูู…ุง ุชุฑุงู‡ ู‡ูˆ ุนุฌุฒ ูˆุงุถุญ ุจู…ู‚ุฏุงุฑ 40%
03:08
in the ability of the brain to make new memories without sleep.
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ููŠ ู‚ุฏุฑุฉ ุงู„ุฏู‘ู…ุงุบ ุนู„ู‰ ุตู†ุน ู…ุนู„ูˆู…ุงุช ุฌุฏูŠุฏุฉ ุจุฏูˆู† ู†ูˆู….
03:13
I think this should be concerning,
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ุฃุนุชู‚ุฏ ุฃู†ู‘ูŽ ู‡ุฐุง ูŠุฌุจ ุฃู† ูŠูƒูˆู† ู…ู‚ู„ู‚ู‹ุงุŒ
03:14
considering what we know is happening to sleep
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ุฅุฐุง ุฃุฎุฐู†ุง ุจุนูŠู† ุงู„ุงุนุชุจุงุฑ ู…ุง ูŠุญุฏุซ ู„ู„ู†ูˆู…
03:17
in our education populations right now.
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ููŠ ุงู„ุจุฑุงู…ุฌ ุงู„ุชูŽู‘ุนู„ูŠู…ูŠู‘ุฉ ุญุงู„ูŠู‘ู‹ุง.
03:20
In fact, to put that in context,
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ููŠ ุงู„ุญู‚ูŠู‚ุฉุŒ ู„ูˆ ุฃุณู‚ุทู†ุง ุฐู„ูƒ ุนู„ู‰ ุงู„ูˆุงู‚ุนุŒ
03:22
it would be the difference in a child acing an exam
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ุณูŠูƒูˆู† ุจู…ุซุงุจุฉ ุงู„ูุฑู‚ ุจูŠู† ุทูู„ ูŠุชููˆู‘ู‚ ููŠ ุงุฎุชุจุงุฑ
03:25
versus failing it miserably -- 40 percent.
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ูˆุขุฎุฑ ูŠุฑุณุจ ููŠู‡ ุนู„ู‰ ู†ุญูˆ ุจุงุฆุณ... 40%.
03:30
And we've gone on to discover what goes wrong within your brain
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ูˆุชุงุจุนู†ุง ู„ู†ูƒุชุดู ู…ุง ุงู„ุฎุทุฃ ุงู„ู‘ุฐูŠ ูŠุญุฏุซ ุฏุงุฎู„ ุฏู…ุงุบูƒ
03:34
to produce these types of learning disabilities.
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ูˆุงู„ู‘ุฐูŠ ูŠู†ุชุฌ ุนู†ู‡ ู‡ุฐู‡ ุงู„ุฃู†ูˆุงุน ู…ู† ุตุนูˆุจุงุช ุงู„ุชู‘ุนู„ู‘ู….
03:38
And there's a structure that sits
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ู‡ู†ุงูƒ ุจู†ูŠุฉ ุชูˆุฌุฏ
03:40
on the left and the right side of your brain, called the hippocampus.
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ุนู„ู‰ ุงู„ุฌุงู†ุจ ุงู„ุฃูŠู…ู† ูˆุงู„ุฃูŠุณุฑ ู„ู„ุฏู…ุงุบ ุชุฏุนู‰ ุจุงู„ุญูุตูŠู’ู†.
03:45
And you can think of the hippocampus
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ูˆูŠู…ูƒู†ูƒ ุชุตูˆู‘ุฑ ุงู„ุญูุตูŠู’ู†
03:46
almost like the informational inbox of your brain.
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ุชู‚ุฑูŠุจู‹ุง ู…ุซู„ ุตู†ุฏูˆู‚ ุงู„ู…ุนู„ูˆู…ุงุช ู„ุฏู…ุงุบููƒ.
03:50
It's very good at receiving new memory files
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ุฅู†ู‘ู‡ ุฌูŠู‘ุฏ ุฌุฏู‘ู‹ุง ููŠ ุชู„ู‚ู‘ูŠ ู…ู„ูู‘ุงุช ุฐุงูƒุฑุฉ ุฌุฏูŠุฏุฉ.
03:53
and then holding on to them.
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ูˆู…ู† ุซูŽู…ู‘ูŽ ุงู„ุงุญุชูุงุธ ุจู‡ุง.
03:56
And when you look at this structure
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ูˆุนู†ุฏู…ุง ุชู†ุธุฑูˆู† ุฅู„ู‰ ู‡ุฐู‡ ุงู„ุจู†ูŠุฉ
03:58
in those people who'd had a full night of sleep,
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ุนู†ุฏ ุฃูˆู„ุฆูƒ ุงู„ุฃุดุฎุงุต ุงู„ู‘ุฐูŠู† ูŠุญุตู„ูˆู† ุนู„ู‰ ุณุงุนุงุช ูƒุงู…ู„ุฉ ู…ู† ุงู„ู†ู‘ูˆู…ุŒ
04:01
we saw lots of healthy learning-related activity.
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ูุณุชุฑูˆู† ุงู„ุนุฏูŠุฏ ู…ู† ุงู„ู†ู‘ุดุงุทุงุช ุงู„ุตู‘ุญูŠู‘ุฉ ุงู„ู…ุชุนู„ู‘ู‚ุฉ ุจุงู„ุชู‘ุนู„ู….
04:06
Yet in those people who were sleep-deprived,
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ูˆู„ูƒู† ุนู†ุฏ ุฃูˆู„ุฆูƒ ุงู„ุฃุดุฎุงุต ุงู„ู‘ุฐูŠู† ูƒุงู†ูˆุง ู…ุญุฑูˆู…ูŠู† ู…ู† ุงู„ู†ู‘ูˆู…ุŒ
04:09
we actually couldn't find any significant signal whatsoever.
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ูุฅู†ู‘ู†ุง ููŠ ุงู„ูˆุงู‚ุน ู„ู… ู†ุชู…ูƒู‘ู† ู…ู† ุฅูŠุฌุงุฏ ุฅุดุงุฑุฉ ู…ู‡ู…ู‘ุฉ ุนู„ู‰ ุงู„ุฅุทู„ุงู‚.
04:14
So it's almost as though sleep deprivation had shut down your memory inbox,
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ู„ุฐู„ูƒ ูŠุจุฏูˆ ุงู„ุฃู…ุฑ ูƒู…ุง ู„ูˆ ูƒุงู† ุงู„ุญุฑู…ุงู† ู…ู† ุงู„ู†ูˆู… ู‚ุฏ ุฃุบู„ู‚ ุตู†ุฏูˆู‚ ุงู„ู…ุนู„ูˆู…ุงุช ุงู„ุฎุงุต ุจูƒุŒ
04:19
and any new incoming files -- they were just being bounced.
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ูˆุฃูŠ ู…ู„ูุงุช ูˆุงุฑุฏุฉ ุฌุฏูŠุฏุฉ... ุณูŠุชู… ุฑุฏู‘ู‡ุง.
04:23
You couldn't effectively commit new experiences to memory.
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ู„ู… ูŠุนุฏ ุจู…ู‚ุฏูˆุฑูƒ ุฅุฏุฎุงู„ ุชุฌุงุฑุจ ุฌุฏูŠุฏุฉ ู„ุฐุงูƒุฑุชูƒ ุจุดูƒู„ ูุนู‘ุงู„.
04:30
So that's the bad that can happen if I were to take sleep away from you,
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ู‡ุฐุง ู‡ูˆ ุงู„ุถุฑุฑ ุงู„ุฐูŠ ูŠู…ูƒู† ุฃู† ูŠุญุฏุซ ุฅุฐุง ุญุฑู…ุชูƒ ู…ู† ุงู„ู†ูˆู…ุŒ
04:34
but let me just come back to that control group for a second.
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ูˆู„ูƒู† ุฏุนูˆู†ูŠ ุฃุนูˆุฏ ู„ู„ุชูˆู‘ ู„ุชู„ูƒ ุงู„ู…ุฌู…ูˆุนุฉ ุงู„ุซู‘ุงุจุชุฉ ู„ุซุงู†ูŠุฉ ูˆุงุญุฏุฉ.
04:38
Do you remember those folks that got a full eight hours of sleep?
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ู‡ู„ ุชุชุฐูƒุฑูˆู† ุฃูˆู„ุฆูƒ ุงู„ุฃุดุฎุงุต ุงู„ู‘ุฐูŠู† ุญุตู„ูˆุง ุนู„ู‰ ุซู…ุงู†ูŠ ุณุงุนุงุช ูƒุงู…ู„ุฉ ู…ู† ุงู„ู†ู‘ูˆู…ุŸ
04:42
Well, we can ask a very different question:
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ูŠู…ูƒู†ู†ุง ุฃู† ู†ุณุฃู„ ุณุคุงู„ู‹ุง ู…ุฎุชู„ูู‹ุง ูƒู„ู‘ูŠู‘ู‹ุง:
04:44
What is it about the physiological quality of your sleep
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ู…ุงุฐุง ุนู† ู†ูˆุนูŠู‘ุฉ ู†ูˆู…ูƒ ุงู„ูุณูŠูˆู„ูˆุฌูŠู‘ุฉ
04:48
when you do get it
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ุนู†ุฏู…ุง ุชุญุตู„ ุนู„ูŠู‡
04:50
that restores and enhances your memory and learning ability
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ูˆุงู„ู‘ุชูŠ ุชุณุชุนูŠุฏ ูˆุชุนุฒู‘ุฒ ุฐุงูƒุฑุชูƒ ูˆู‚ุฏุฑุชูƒ ุนู„ู‰ ุงู„ุชู‘ุนู„ู‘ู…
04:53
each and every day?
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ูƒู„ู‘ ูŠูˆู…ุŸ
04:56
And by placing electrodes all over the head,
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ูˆุนู† ุทุฑูŠู‚ ูˆุถุน ุฃู‚ุทุงุจ ูƒู‡ุฑุจุงุฆูŠุฉ ููŠ ุฌู…ูŠุน ุฃู†ุญุงุก ุงู„ุฑู‘ูŽุฃุณุŒ
04:59
what we've discovered is that there are big, powerful brainwaves
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ู…ุง ุงูƒุชุดูู†ุงู‡ ู‡ูˆ ุฃู†ู‘ูŽ ู‡ู†ุงูƒ ู…ูˆุฌุงุช ุฏู…ุงุบูŠู‘ุฉ ูƒุจูŠุฑุฉ ูˆู‚ูˆูŠู‘ุฉ
05:03
that happen during the very deepest stages of sleep
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ุชุญุฏุซ ุฎู„ุงู„ ุฃุนู…ู‚ ู…ุฑุงุญู„ ุงู„ู†ู‘ูˆู…
05:06
that have riding on top of them
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ุญูŠุซ ูŠูˆุฌุฏ ุฑุงูƒุจ ุนู„ู‰ ุธู‡ุฑู‡ุง
05:09
these spectacular bursts of electrical activity
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ู‡ุฐู‡ ุงู„ุฏู‘ููŽู‚ุงุช ุงู„ู…ุฐู‡ู„ุฉ ู…ู† ุงู„ู†ู‘ุดุงุท ุงู„ูƒู‡ุฑุจุงุฆูŠ
05:12
that we call sleep spindles.
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ูˆุงู„ู‘ุชูŠ ู†ุทู„ู‚ ุนู„ูŠู‡ุง ู…ุบุงุฒู„ ุงู„ู†ู‘ูˆู….
05:15
And it's the combined quality of these deep-sleep brainwaves
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ุฅู†ู‘ู‡ุง ุงู„ุฌูˆุฏุฉ ุงู„ู…ุฏู…ุฌุฉ ู„ู…ูˆุฌุงุช ุฏู…ุงุบ ุงู„ู†ู‘ูˆู… ุงู„ุนู…ูŠู‚
05:19
that acts like a file-transfer mechanism at night,
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ูˆุงู„ู‘ุชูŠ ุชุนู…ู„ ุจู…ุซู„ ุขู„ูŠู‘ุฉ ู†ู‚ู„ ุงู„ู…ู„ูู‘ุงุช ููŠ ุงู„ู„ู‘ูŠู„ุŒ
05:23
shifting memories from a short-term vulnerable reservoir
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ุญูŠุซ ุชู†ู‚ู„ ุงู„ู…ุนู„ูˆู…ุงุช ู…ู† ุฎุฒู‘ุงู† ู‚ุงุจู„ ู„ู„ุนุทุจ ูˆู‚ุตูŠุฑ ุงู„ุฃู…ุฏ
05:28
to a more permanent long-term storage site within the brain,
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ุฅู„ู‰ ู…ูˆู‚ุน ุชุฎุฒูŠู† ุฏุงุฆู… ูˆุทูˆูŠู„ ุงู„ุฃู…ุฏ ุฏุงุฎู„ ุงู„ุฏู‘ู…ุงุบุŒ
05:32
and therefore protecting them, making them safe.
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ูˆุจุงู„ุชู‘ุงู„ูŠ ุญู…ุงูŠุฉ ู‡ุฐู‡ ุงู„ู…ุนู„ูˆู…ุงุช ูˆุฌุนู„ู‡ุง ุขู…ู†ุฉ.
05:37
And it is important that we understand
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ูˆู…ู† ุงู„ู…ู‡ู… ุฃู† ู†ูู‡ู…
05:39
what during sleep actually transacts these memory benefits,
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ู…ุง ุงู„ู‘ุฐูŠ ูŠู‚ูˆู… ุจู‡ุฐู‡ ุงู„ููˆุงุฆุฏ ุนู„ู‰ ุงู„ุฐู‘ุงูƒุฑุฉุŒ
05:44
because there are real medical and societal implications.
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ู„ุฃู† ู‡ู†ุงูƒ ู†ุชุงุฆุฌ ุทุจูŠู‘ุฉ ูˆุงุฌุชู…ุงุนูŠุฉ ุญู‚ูŠู‚ูŠุฉ.
05:48
And let me just tell you about one area
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ูˆุงุณู…ุญูˆุง ู„ูŠ ูู‚ุท ุฃู† ุฃุฎุจุฑูƒู… ุนู† ู…ุฌุงู„ ูˆุงุญุฏ
05:50
that we've moved this work out into, clinically,
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ูˆุงู„ู‘ุฐูŠ ู‚ู…ู†ุง ุจู†ู‚ู„ ุงู„ุนู…ู„ ุฅู„ูŠู‡ -ุณุฑูŠุฑูŠู‘ู‹ุง-
05:54
which is the context of aging and dementia.
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ูˆู‡ูˆ ู…ุฌุงู„ ุงู„ุดู‘ูŠุฎูˆุฎุฉ ูˆุงู„ุฎูŽุฑูŽู.
05:58
Because it's of course no secret that, as we get older,
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ู„ุฃู†ู‡ ุจุงู„ุทู‘ุจุน ู„ูŠุณ ุณุฑู‘ู‹ุง ุฃู†ู‘ู‡ ูƒู„ู‘ู…ุง ุชู‚ุฏู‘ู…ู†ุง ููŠ ุงู„ุณู†ุŒ
06:02
our learning and memory abilities begin to fade and decline.
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ุชุจุฏุฃ ู‚ุฏุฑุงุชู†ุง ุนู„ู‰ ุงู„ุชู‘ุนู„ู… ูˆุงู„ุฐู‘ุงูƒุฑุฉ ุจุงู„ุชู‘ู„ุงุดูŠ ูˆุงู„ุชู‘ุฑุงุฌุน.
ูˆู„ูƒู†ู‘ู†ุง ุงูƒุชุดูู†ุง ุฃูŠุถู‹ุง
06:07
But what we've also discovered
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06:08
is that a physiological signature of aging is that your sleep gets worse,
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ุฃู†ู‘ ุฅุญุฏู‰ ุนู„ุงู…ุงุช ุงู„ุดู‘ูŠุฎูˆุฎุฉ ุงู„ูุณูŠูˆู„ูˆุฌูŠู‘ุฉ ู‡ูŠ ุฃู†ู‘ ุงู„ู†ู‘ูˆู… ูŠุตุจุญ ุฃุณูˆุฃุŒ
06:15
especially that deep quality of sleep that I was just discussing.
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ูˆุฎุตูˆุตู‹ุง ุฐู„ูƒ ุงู„ู†ู‘ูˆุน ู…ู† ุงู„ู†ู‘ูˆู… ุงู„ุนู…ูŠู‚ ุงู„ุฐูŠ ูƒู†ุช ุฃู†ุงู‚ุดู‡ ู„ู„ุชูˆู‘.
06:20
And only last year, we finally published evidence
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ูˆููŠ ุงู„ุนุงู… ุงู„ู…ุงุถูŠุŒ ู†ุดุฑู†ุง ุฃุฎูŠุฑู‹ุง ุฏู„ูŠู„ู‹ุง
06:23
that these two things, they're not simply co-occurring,
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ุนู„ู‰ ุฃู† ู‡ุฐูŠู† ุงู„ุฃู…ุฑูŠู† ู„ูŠุณุง ู…ุชู„ุงุฒู…ูŠู† ุจุจุณุงุทุฉุŒ
06:26
they are significantly interrelated.
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ุจู„ ู‡ู…ุง ู…ุชุฑุงุจุทุงู† ุฅู„ู‰ ุญุฏูู‘ ูƒุจูŠุฑ.
06:30
And it suggests that the disruption of deep sleep
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ูˆูŠู‚ุชุฑุญ ู‡ุฐุง ุงู„ุฏู‘ู„ูŠู„ ุฃู†ู‘ ุบูŠุงุจ ุงู„ู†ู‘ูˆู… ุงู„ุนู…ูŠู‚
06:34
is an underappreciated factor
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ู‡ูˆ ุนุงู…ู„ ู„ุง ูŠูุคุจู‡ ู„ู‡
06:36
that is contributing to cognitive decline or memory decline
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ูŠุณู‡ู… ููŠ ุงู„ุชู‘ุฑุงุฌุน ุงู„ู…ุนุฑููŠ ุฃูˆ ุชุฏู‡ูˆุฑ ุงู„ุฐู‘ุงูƒุฑุฉุŒ
06:40
in aging, and most recently we've discovered,
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ูˆููŠ ุงู„ุดูŠุฎูˆุฎุฉุŒ ูˆู…ุคุฎู‘ุฑู‹ุง
ููŠ ู…ุฑุถ ุฃู„ุฒู‡ุงูŠู…ุฑ ุฃูŠุถู‹ุง.
06:44
in Alzheimer's disease as well.
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06:48
Now, I know this is remarkably depressing news.
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ุฃุนุฑู ุฃู† ู‡ุฐู‡ ุงู„ุฃุฎุจุงุฑ ู…ุญุจุทุฉ ุจุดูƒู„ ูƒุจูŠุฑ.
ุณุชู…ุฑู‘ ุจู‡ุง ุญุชู…ู‹ุง. ุฅู†ู‘ู‡ุง ู‚ุงุฏู…ุฉ ุฅู„ูŠูƒ.
06:52
It's in the mail. It's coming at you.
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ูˆู„ูƒู† ูŠูˆุฌุฏ ุฌุงู†ุจ ุฅูŠุฌุงุจูŠ ู‡ู†ุง.
06:54
But there's a potential silver lining here.
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06:57
Unlike many of the other factors that we know are associated with aging,
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ุนู„ู‰ ุนูƒุณ ุงู„ุนุฏูŠุฏ ู…ู† ุงู„ุนูˆุงู…ู„ ุงู„ู…ุฑุชุจุทุฉ ุจุงู„ุดูŠุฎูˆุฎุฉุŒ
07:02
for example changes in the physical structure of the brain,
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ู…ุซู„ู‹ุง ุงู„ุชุบูŠู‘ุฑ ููŠ ุงู„ุจู†ูŠุฉ ุงู„ููŠุฒูŠุงุฆูŠุฉ ู„ู„ุฏู…ุงุบุŒ
07:06
that's fiendishly difficult to treat.
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ุนู„ุงุฌ ู‡ุฐุง ุงู„ุดูŠุก ุตุนุจ ู„ู„ุบุงูŠุฉ.
07:09
But that sleep is a missing piece in the explanatory puzzle
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ูˆู„ูƒู† ูƒูˆู† ุงู„ู†ูˆู… ู‡ูˆ ุจู…ุซุงุจุฉ ู‚ุทุนุฉ ู…ูู‚ูˆุฏุฉ ููŠ ุงู„ู„ุบุฒ ุงู„ุชู‘ูˆุถูŠุญูŠ
07:13
of aging and Alzheimer's is exciting
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ู„ู„ุดูŠุฎูˆุฎุฉ ูˆู…ุฑุถ ุฃู„ุฒู‡ุงูŠู…ุฑ ู‡ูˆ ุฃู…ุฑ ู…ุซูŠุฑ
07:16
because we may be able to do something about it.
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ู„ุฃู†ู‡ ุฑุจู…ุง ูŠู…ูƒู†ู†ุง ูุนู„ ุดูŠุก ุญูŠุงู„ู‡.
07:20
And one way that we are approaching this at my sleep center
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ูˆุฅุญุฏู‰ ุงู„ุทุฑู‚ ุงู„ุชูŠ ู†ุชุนุงู…ู„ ุจู‡ุง ู…ุน ู‡ุฐุง ููŠ ู…ุฑูƒุฒ ุงู„ู†ูˆู… ุงู„ุฎุงุต ุจูŠุŒ
07:24
is not by using sleeping pills, by the way.
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ู„ูŠุณ ุนู† ุทุฑูŠู‚ ุงุณุชุฎุฏุงู… ุญุจูˆุจ ุงู„ู†ูˆู… ุจุงู„ู…ู†ุงุณุจุฉุŒ
07:27
Unfortunately, they are blunt instruments that do not produce naturalistic sleep.
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ุฅู†ู‡ุง ุฃุฏูˆุงุช ุนุฏูŠู…ุฉ ุงู„ุฌุฏูˆู‰ ู„ู„ุฃุณู ู„ุง ุชุคุฏูŠ ุฅู„ู‰ ู†ูˆู… ุนู…ูŠู‚.
07:33
Instead, we're actually developing a method based on this.
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ุจุฏู„ู‹ุง ู…ู† ุฐู„ูƒุŒ ูุฅู†ู‘ู†ุง ู†ุทูˆู‘ุฑ ุทุฑูŠู‚ุฉ ุฌุฏูŠุฏุฉ ุชุนุชู…ุฏ ุนู„ู‰ ุงู„ุชู‘ุงู„ูŠ:
07:36
It's called direct current brain stimulation.
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ูŠุทู„ู‚ ุนู„ูŠู‡ุง ุงู„ุชุญููŠุฒ ุงู„ุฏู…ุงุบูŠ ุงู„ูƒู‡ุฑุจุงุฆูŠ ุจุงู„ุชูŠุงุฑ ุงู„ู…ุณุชู…ุฑ.
07:40
You insert a small amount of voltage into the brain,
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ูŠุชู… ุฅุฏุฎุงู„ ูƒู…ูŠุฉ ุตุบูŠุฑุฉ ู…ู† ุงู„ุฌู‡ุฏ ุงู„ูƒู‡ุฑุจูŠ ุฅู„ู‰ ุงู„ู…ุฎุŒ
07:43
so small you typically don't feel it,
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ุตุบูŠุฑุฉ ุฌุฏู‘ู‹ุง ุจุญูŠุซ ู„ุง ุชุดุนุฑ ุจู‡ุง ุนุงุฏุฉู‹ุŒ
07:45
but it has a measurable impact.
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ูˆู„ูƒู† ู„ู‡ุง ุชุฃุซูŠุฑ ุฌุฏูŠุฑ ุจุงู„ุงุนุชุจุงุฑ.
07:48
Now if you apply this stimulation during sleep in young, healthy adults,
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ุฅุฐุง ู‚ู…ุช ุจุชุทุจูŠู‚ ู‡ุฐุง ุงู„ุชู‘ุญููŠุฒ ุฃุซู†ุงุก ุงู„ู†ูˆู… ู„ุฏู‰ ุงู„ุจุงู„ุบูŠู† ุงู„ุฃุตุญุงุก
07:55
as if you're sort of singing in time with those deep-sleep brainwaves,
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ูƒู…ุง ู„ูˆ ูƒู†ุช ุชุบู†ู‘ูŠ ููŠ ุงู„ูˆู‚ุช ุงู„ู…ู†ุงุณุจ ู…ุน ุชู„ูƒ ุงู„ู…ูˆุฌุงุช ุงู„ุฏู‘ู…ุงุบูŠุฉ ู„ู„ู†ูˆู… ุงู„ุนู…ูŠู‚ุŒ
07:59
not only can you amplify the size of those deep-sleep brainwaves,
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ู„ูŠุณ ูู‚ุท ูŠู…ูƒู†ูƒ ุชุถุฎูŠู… ุญุฌู… ุชู„ูƒ ุงู„ู…ูˆุฌุงุช ุงู„ุฏู…ุงุบูŠุฉ ู„ู„ู†ูˆู… ุงู„ุนู…ูŠู‚ุŒ
08:04
but in doing so, we can almost double the amount of memory benefit
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ูˆู„ูƒู† ุจูุนู„ ุฐู„ูƒุŒ ูŠู…ูƒู†ู†ุง ุชู‚ุฑูŠุจู‹ุง ู…ุถุงุนูุฉ ู…ู‚ุฏุงุฑ ุงู„ุงุณุชูุงุฏุฉ ู…ู† ุงู„ุฐุงูƒุฑุฉ
08:09
that you get from sleep.
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ุงู„ุชูŠ ุชุญุตู„ ุนู„ูŠู‡ุง ู…ู† ุงู„ู†ูˆู….
08:11
The question now is whether we can translate
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ูˆุงู„ุณุคุงู„ ุงู„ู…ุทุฑูˆุญ ุงู„ุขู† ู‡ูˆ ู…ุง ุฅุฐุง ูƒุงู† ุจุฅู…ูƒุงู†ู†ุง ู†ู‚ู„
08:13
this same affordable, potentially portable piece of technology
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ู†ูุณ ุงู„ุชู‚ู†ูŠุฉ ุงู„ุฑู‘ุฎูŠุตุฉ ูˆุงู„ู‚ุงุจู„ุฉ ู„ู„ุญู…ู„
08:18
into older adults and those with dementia.
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ุฅู„ู‰ ูƒุจุงุฑ ุงู„ุณู† ูˆุงู„ู…ุตุงุจูŠู† ุจุงู„ุฃู…ุฑุงุถ ุงู„ุนู‚ู„ูŠุฉ.
08:22
Can we restore back some healthy quality of deep sleep,
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ู‡ู„ ูŠู…ูƒู†ู†ุง ุงุณุชุนุงุฏุฉ ุจุนุถู ู…ู† ู†ูˆุนูŠุฉ ุงู„ู†ู‘ูˆู… ุงู„ุนู…ูŠู‚ ุงู„ุตู‘ุญูŠุŒ
08:27
and in doing so, can we salvage aspects of their learning
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ูˆุนู†ุฏ ุงู„ู‚ูŠุงู… ุจุฐู„ูƒุŒ ู‡ู„ ูŠู…ูƒู†ู†ุง ุฅู†ู‚ุงุฐ ุฌูˆุงู†ุจ ุงู„ุชู‘ุนู„ู‘ู…
08:31
and memory function?
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ูˆูˆุธุงุฆู ุงู„ุฐู‘ุงูƒุฑุฉุŸ
08:33
That is my real hope now.
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ู‡ุฐุง ู‡ูˆ ุฃู…ู„ูŠ ุงู„ุญู‚ูŠู‚ูŠ ุญุงู„ูŠู‘ู‹ุง.
08:36
That's one of our moon-shot goals, as it were.
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ู‡ุฐุง ุฃุญุฏ ุฃู‡ุฏุงูู†ุง ุงู„ุทุงู…ุญุฉ.
08:41
So that's an example of sleep for your brain,
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ู‡ุฐุง ู…ุซุงู„ ุนู† ุชุฃุซูŠุฑ ุงู„ู†ู‘ูˆู… ุนู„ู‰ ุฏู…ุงุบูƒุŒ
08:44
but sleep is just as essential for your body.
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ูˆู„ูƒู† ุงู„ู†ู‘ูˆู… ู…ู‡ู… ุฃูŠุถู‹ุง ู„ุฌุณู…ูƒ.
08:49
We've already spoken about sleep loss and your reproductive system.
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ู„ู‚ุฏ ุชุญุฏู‘ุซู†ุง ุณุงุจู‚ู‹ุง ุนู† ู†ู‚ุต ุงู„ู†ูˆู… ูˆุงู„ุฌู‡ุงุฒ ุงู„ุชู†ุงุณู„ูŠุŒ
08:53
Or I could tell you about sleep loss and your cardiovascular system,
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ุฃูˆ ูŠู…ูƒู†ู†ูŠ ุฃู† ุฃุญุฏู‘ุซูƒู… ุนู† ู†ู‚ุต ุงู„ู†ูˆู… ูˆุงู„ุฌู‡ุงุฒ ุงู„ู‚ู„ุจูŠ ุงู„ูˆุนุงุฆูŠุŒ
08:58
and that all it takes is one hour.
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ูˆุงู„ู†ู‘ู‚ุต ูŠูƒูˆู† ููŠ ุณุงุนุฉ ู†ูˆู… ูˆุงุญุฏุฉ.
09:01
Because there is a global experiment performed on 1.6 billion people
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ู„ุฃู† ู‡ู†ุงูƒ ุชุฌุฑุจุฉ ุนุงู„ู…ูŠู‘ุฉ ุชูุฌุฑู‰ ุนู„ู‰ 1,6 ุจู„ูŠูˆู† ุฅู†ุณุงู†
09:07
across 70 countries twice a year,
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ููŠ 70 ุจู„ุฏ ู…ุฑู‘ุชูŠู† ุจุงู„ุณู‘ู†ุฉุŒ
09:11
and it's called daylight saving time.
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ูˆุชุฏุนู‰ ุจู†ุธุงู… ุงู„ุชู‘ูˆู‚ูŠุช ุงู„ุตู‘ูŠููŠ.
09:14
Now, in the spring, when we lose one hour of sleep,
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ููŠ ุงู„ุฑู‘ุจูŠุน ุนู†ุฏู…ุง ู†ุฎุณุฑ ุณุงุนุฉ ู…ู† ุงู„ู†ู‘ูˆู…ุŒ
09:18
we see a subsequent 24-percent increase in heart attacks that following day.
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ู†ุฑู‰ ุฒูŠุงุฏุฉ ุจู†ุณุจุฉ 24% ููŠ ุงู„ู†ูˆุจุงุช ุงู„ู‚ู„ุจูŠุฉ ููŠ ุงู„ูŠูˆู… ุงู„ุชุงู„ูŠ.
09:26
In the autumn, when we gain an hour of sleep,
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ููŠ ุงู„ุฎุฑูŠูุŒ ุนู†ุฏู…ุง ู†ุญุตู„ ุนู„ู‰ ุณุงุนุฉ ู…ู† ุงู„ู†ู‘ูˆู…ุŒ
09:30
we see a 21-percent reduction in heart attacks.
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ู†ุฑู‰ ู†ู‚ุตู‹ุง ุจู†ุณุจุฉ 21% ููŠ ุงู„ู†ูˆุจุงุช ุงู„ู‚ู„ุจูŠุฉ.
09:35
Isn't that incredible?
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ุฃู„ูŠุณ ุฐู„ูƒ ู…ุฏู‡ุดู‹ุงุŸ
09:38
And you see exactly the same profile for car crashes, road traffic accidents,
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ูˆุชุฑู‰ ุงู„ุดูŠุก ู†ูุณู‡ ุจุงู„ู†ุณุจุฉ ุฅู„ู‰ ุญูˆุงุฏุซ ุงู„ุณูŠุงุฑุงุช ูˆุญูˆุงุฏุซ ุงู„ู…ุฑูˆุฑุŒ
ูˆุญุชู‰ ู…ุนุฏู‘ู„ุงุช ุงู„ุงู†ุชุญุงุฑ.
09:44
even suicide rates.
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09:48
But as a deeper dive, I want to focus on this:
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ูˆู„ูƒู† ูƒู†ูˆุน ู…ู† ุงู„ุบูˆุต ุฃูƒุซุฑ ุจุงู„ู…ูˆุถูˆุน ุฃุฑูŠุฏ ุงู„ุชู‘ุฑูƒูŠุฒ ุนู„ู‰:
09:51
sleep loss and your immune system.
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ู†ู‚ุต ุงู„ู†ูˆู… ูˆุงู„ุฌู‡ุงุฒ ุงู„ู…ู†ุงุนูŠ.
09:55
And here, I'll introduce these delightful blue elements in the image.
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ูˆู‡ู†ุง ุณุฃู‚ุฏู… ู„ูƒู… ู‡ุฐู‡ ุงู„ุฃุดูŠุงุก ุงู„ุฒู‘ุฑู‚ุงุก ุงู„ุฌู…ูŠู„ุฉ ููŠ ุงู„ุตูˆุฑุฉ.
ุชุณู…ู‘ู‰ ุจุงู„ุฎู„ุงูŠุง ุงู„ู‚ุงุชู„ุฉ ุงู„ุทู‘ุจูŠุนูŠุฉุŒ
10:00
They are called natural killer cells,
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10:03
and you can think of natural killer cells almost like the secret service agents
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ูˆูŠู…ูƒู†ูƒ ุชุตูˆู‘ุฑ ุงู„ุฎู„ุงูŠุง ุงู„ู‚ุงุชู„ุฉ ุงู„ุทู‘ุจูŠุนูŠุฉ ุชู‚ุฑูŠุจู‹ุง ู…ุซู„ ุนู…ู„ุงุก ุงู„ุฎุฏู…ุฉ ุงู„ุณุฑูŠู‘ุฉ
10:08
of your immune system.
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ู„ุฌู‡ุงุฒูƒ ุงู„ู…ู†ุงุนูŠ.
10:09
They are very good at identifying dangerous, unwanted elements
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ุฅู†ู‡ุง ุฌูŠุฏุฉ ุฌุฏู‹ุง ููŠ ุชุญุฏูŠุฏ ุงู„ุนู†ุงุตุฑ ุงู„ุฎุทูŠุฑุฉ ูˆุบูŠุฑ ุงู„ู…ุฑุบูˆุจ ุจู‡ุง
10:14
and eliminating them.
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ูˆุงู„ู‚ุถุงุก ุนู„ูŠู‡ุง.
10:17
In fact, what they're doing here is destroying a cancerous tumor mass.
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ููŠ ุงู„ุญู‚ูŠู‚ุฉุŒ ูุฅู† ู…ุง ุชู‚ูˆู… ุจู‡ ู‡ู†ุง ู‡ูˆ ุชุฏู…ูŠุฑ ูˆุฑู… ุณุฑุทุงู†ูŠ.
10:22
So what you wish for is a virile set of these immune assassins
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ู„ุฐุง ู…ุง ุชุฃู…ู„ู‡ ู‡ูˆ ุงู…ุชู„ุงูƒูƒ ู„ู…ุฌู…ูˆุนุฉ ู‚ูˆูŠุฉ ู…ู† ู‡ุคู„ุงุก ุงู„ู‚ูŽุชูŽู„ุฉ
10:28
at all times,
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ููŠ ูƒู„ ุงู„ุฃูˆู‚ุงุชุŒ
10:30
and tragically, that's what you don't have if you're not sleeping enough.
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ูˆู‡ุฐุง ู…ุง ู„ุง ุชุญุตู„ ุนู„ูŠู‡ ุนู†ุฏู…ุง ู„ุง ุชู†ุงู… ุจุดูƒู„ ูƒุงูู.
10:35
So here in this experiment,
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ูˆู„ุฐู„ูƒ ููŠ ู‡ุฐู‡ ุงู„ุชุฌุฑุจุฉุŒ
10:37
you're not going to have your sleep deprived for an entire night,
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ู„ู† ุชุญุฑู… ู…ู† ุงู„ู†ูˆู… ู„ู„ูŠู„ุฉ ูƒุงู…ู„ุฉุŒ
10:41
you're simply going to have your sleep restricted to four hours
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ูˆู„ูƒู† ุณูŠุชู… ุจุจุณุงุทุฉ ุชู‚ู„ูŠุต ุณุงุนุงุช ู†ูˆู…ูƒ ุฅู„ู‰ ุฃุฑุจุน ุณุงุนุงุช
10:44
for one single night,
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ู„ู„ูŠู„ุฉ ูˆุงุญุฏุฉุŒ
10:46
and then we're going to look to see what's the percent reduction
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ูˆุจุนุฏู‡ุง ุณู†ุฑู‰ ู†ุณุจุฉ ุงู„ู†ู‚ุต
10:49
in immune cell activity that you suffer.
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ููŠ ู†ุดุงุท ุงู„ุฎู„ุงูŠุง ุงู„ู…ู†ุงุนูŠุฉ ุงู„ุฐูŠ ุชุนุงู†ูŠ ู…ู†ู‡.
10:52
And it's not small -- it's not 10 percent,
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ูˆู‡ุฐู‡ ุงู„ู†ุณุจุฉ ู„ูŠุณ ุตุบูŠุฑุฉ... ู„ูŠุณุช 10%ุŒ
10:55
it's not 20 percent.
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ู„ูŠุณุช 20%.
10:57
There was a 70-percent drop in natural killer cell activity.
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ุจู„ ูƒุงู† ู‡ู†ุงูƒ ู†ู‚ุต ุจู†ุณุจุฉ 70% ููŠ ู†ุดุงุท ุงู„ุฎู„ุงูŠุง ุงู„ู‚ุงุชู„ุฉ ุงู„ุทุจูŠุนูŠุฉ.
11:03
That's a concerning state of immune deficiency,
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ู‡ุฐู‡ ุญุงู„ุฉ ุฎุทูŠุฑุฉ ู…ู† ุงู„ุนุฌุฒ ุงู„ู…ู†ุงุนูŠุŒ
11:09
and you can perhaps understand why we're now finding
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ูˆู„ุฑุจู‘ู…ุง ูŠู…ูƒู†ูƒ ู…ุนุฑูุฉ ุณุจุจ ุฅูŠุฌุงุฏู†ุง ุงู„ุขู†
11:12
significant links between short sleep duration
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ุฑูˆุงุจุท ู…ู‡ู…ุฉ ุจูŠู† ู…ุฏุฉ ุงู„ู†ูˆู… ุงู„ู‚ุตูŠุฑุฉ
11:16
and your risk for the development of numerous forms of cancer.
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ูˆุฎุทูˆุฑุฉ ุชุนุฑุถูƒ ู„ุชุทูˆุฑ ุฃุดูƒุงู„ ุนุฏูŠุฏุฉ ู…ู† ุงู„ุณุฑุทุงู†.
11:21
Currently, that list includes cancer of the bowel,
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ุญุงู„ูŠู‹ู‘ุงุŒ ุงู„ู‚ุงุฆู…ุฉ ุชุดู…ู„ ุณุฑุทุงู† ุงู„ุฃู…ุนุงุกุŒ
11:24
cancer of the prostate and cancer of the breast.
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ุณุฑุทุงู† ุงู„ุจุฑูˆุณุชุงุชุงุŒ ูˆุณุฑุทุงู† ุงู„ุซู‘ุฏูŠ.
11:29
In fact, the link between a lack of sleep and cancer is now so strong
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ููŠ ุงู„ุญู‚ูŠู‚ุฉุŒ ูุฅู† ุงู„ุฑุงุจุทูŽ ุจูŠู† ู†ู‚ุต ุงู„ู†ูˆู… ูˆุงู„ุณุฑุทุงู† ู‚ูˆูŠู‘ูŒ ุฌุฏู‹ู‘ุง
ุฅู„ู‰ ุฏุฑุฌุฉ ุฃู†ู‘ูŽ ู…ู†ุธู…ุฉ ุงู„ุตู‘ุญุฉ ุงู„ุนุงู„ู…ูŠู‘ุฉ
11:35
that the World Health Organization
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11:37
has classified any form of nighttime shift work
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ู‚ุฏ ุตู‘ู†ูุช ุฃูŠ ูˆูŽุฑุฏูŠู‘ุฉ ู„ูŠู„ูŠู‘ุฉ
11:41
as a probable carcinogen,
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ุนู„ู‰ ุฃู‘ู†ู‡ุง ู…ุงุฏุฉ ู…ุณุฑุทู†ุฉ ู…ุญุชู…ู„ุฉุŒ
11:45
because of a disruption of your sleep-wake rhythms.
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ุจุณุจุจ ุงุถุทุฑุงุจ ุฅูŠู‚ุงุนุงุช ุงู„ู†ูˆู….
11:49
So you may have heard of that old maxim
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ุฑุจู‘ู…ุง ู‚ุฏ ุณู…ุนุช ุฐู„ูƒ ุงู„ู…ูŽุซูŽู„ ุงู„ู‚ุฏูŠู…
11:52
that you can sleep when you're dead.
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ุจุฃู†ู‡ ูŠู…ูƒู†ูƒ ุงู„ู†ูˆู… ุนู†ุฏู…ุง ุชู…ูˆุช.
11:54
Well, I'm being quite serious now --
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ุญุณู†ู‹ุงุŒ ุฃู†ุง ุฌุงุฏู‘ ุฌุฏู‘ู‹ุง ุงู„ุขู†...
11:56
it is mortally unwise advice.
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ุฅู†ู‘ู‡ุง ู†ุตูŠุญุฉ ู‚ุงุชู„ุฉ ูˆุบูŠุฑ ุญูƒูŠู…ุฉ.
12:00
We know this from epidemiological studies across millions of individuals.
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ู†ุนุฑู ุฐู„ูƒ ู…ู† ุงู„ุฏู‘ุฑุงุณุงุช ุงู„ูˆุจุงุฆูŠู‘ุฉ ุนุจุฑ ู…ู„ุงูŠูŠู† ุงู„ุฃูุฑุงุฏ.
12:05
There's a simple truth:
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ู‡ู†ุงูƒ ุญู‚ูŠู‚ุฉ ุจุณูŠุทุฉ:
12:07
the shorter your sleep, the shorter your life.
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ูƒู„ู…ุง ู†ู…ุช ุจุดูƒู„ ุฃู‚ู„ุŒ ูƒู„ู…ุง ู†ู‚ุต ุนู…ุฑููƒ.
12:10
Short sleep predicts all-cause mortality.
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ู†ู‚ุต ุงู„ู†ูˆู… ูŠุชู†ุจุฃ ุจูƒู„ ุฃุณุจุงุจ ุงู„ูˆููŠุงุช.
12:16
And if increasing your risk for the development of cancer
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ูˆุฅุฐุง ู„ู… ุชูƒู† ุฒูŠุงุฏุฉ ุฎุทุฑ ุฅุตุงุจุชูƒ ุจุงู„ุณุฑุทุงู†
12:21
or even Alzheimer's disease
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ุฃูˆ ุญุชู‰ ุฅุตุงุจุชูƒ ุจู…ุฑุถ ุฃู„ุฒู‡ุงูŠู…ุฑ
12:23
were not sufficiently disquieting,
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ู…ู‚ู„ู‚ุฉ ุจุดูƒู„ ูƒุงููุŒ
12:27
we have since discovered that a lack of sleep will even erode
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ูุฅู†ู†ุง ุงูƒุชุดูู†ุง ุฃู† ู†ู‚ุต ุงู„ู†ูˆู… ุณูŠู‚ู„ู‘ุต
12:31
the very fabric of biological life itself,
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ู†ุณูŠุฌ ุงู„ุญูŠุงุฉ ุงู„ุจูŠูˆู„ูˆุฌูŠ ุจุนูŠู†ูู‡ุŒ
12:36
your DNA genetic code.
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ุงู„ุดูุฑุฉ ุงู„ูˆุฑุงุซูŠุฉ ู„ู„ุญู…ุถ ุงู„ู†ูˆูˆูŠุŒ
12:40
So here in this study, they took a group of healthy adults
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ู„ุฐุง ู‡ู†ุง ููŠ ู‡ุฐู‡ ุงู„ุชุฌุฑุจุฉุŒ ุชู… ุฃุฎุฐ ู…ุฌู…ูˆุนุฉ ู…ู† ุงู„ุจุงู„ุบูŠู† ุงู„ุฃุตุญุงุก
12:43
and they limited them to six hours of sleep a night
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ูˆู‚ู„ุตูˆุง ุณุงุนุงุช ู†ูˆู…ู‡ู… ุฅู„ู‰ ุณุช ุณุงุนุงุช ููŠ ุงู„ู„ูŠู„
12:47
for one week,
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ู„ู…ุฏุฉ ุฃุณุจูˆุน ูˆุงุญุฏุŒ
12:49
and then they measured the change in their gene activity profile
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ูˆุจุนุฏ ุฐู„ูƒ ู‚ุงุณูˆุง ุงู„ุชุบูŠู‘ุฑ ููŠ ู…ู„ู ู†ุดุงุท ุงู„ุฌูŠู†ุงุช
12:53
relative to when those same individuals
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ุนู†ุฏู…ุง ูƒุงู† ูŠุญุตู„ ู‡ุคู„ุงุก ุงู„ุฃูุฑุงุฏ ุฃู†ูุณู‡ู…
12:55
were getting a full eight hours of sleep a night.
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ุนู„ู‰ ุซู…ุงู†ูŠ ุณุงุนุงุช ูƒุงู…ู„ุฉ ู…ู† ุงู„ู†ูˆู… ููŠ ุงู„ู„ูŠู„.
12:59
And there were two critical findings.
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ูˆูƒุงู† ู‡ู†ุงูƒ ุงูƒุชุดุงูุงู† ู…ู‡ู…ุงู†.
13:02
First, a sizable and significant 711 genes
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ุฃูˆู„ู‹ุงุŒ ุชู… ุชุบูŠูŠุฑ ู†ุดุงุท 711 ุฌูŠู† ูƒุจูŠุฑ ูˆู…ู‡ู…ุŒ
13:07
were distorted in their activity,
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13:09
caused by a lack of sleep.
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ุจุณุจุจ ู‚ู„ุฉ ุงู„ู†ูˆู….
13:11
The second result was that about half of those genes
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ุงู„ู†ุชูŠุฌุฉ ุงู„ุซุงู†ูŠุฉ ูƒุงู†ุช ุฃู† ู†ุตู ู‡ุฐู‡ ุงู„ุฌูŠู†ุงุช
13:15
were actually increased in their activity.
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ู‚ุฏ ุงุฑุชูุน ู†ุดุงุทู‡ุง.
13:17
The other half were decreased.
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ูˆุงู„ู†ุตู ุงู„ุขุฎุฑ ู‚ู„ ู†ุดุงุทู‡ุง.
13:20
Now those genes that were switched off by a lack of sleep
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ู‡ุฐู‡ ุงู„ุฌูŠู†ุงุช ุงู„ุชูŠ ุชู… ุชุนุทูŠู„ู‡ุง ุจุณุจุจ ู†ู‚ุต ุงู„ู†ูˆู…
13:23
were genes associated with your immune system,
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ูƒุงู†ุช ุงู„ุฌูŠู†ุงุช ุงู„ู…ุฑุชุจุทุฉ ุจุงู„ุฌู‡ุงุฒ ุงู„ู…ู†ุงุนูŠุŒ
13:27
so once again, you can see that immune deficiency.
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ู„ุฐุง ู…ุฑุฉ ุฃุฎุฑู‰ุŒ ูŠู…ูƒู†ูƒ ู…ู„ุงุญุธุฉ ุงู„ุนุฌุฒ ุงู„ู…ู†ุงุนูŠ.
13:31
In contrast, those genes that were actually upregulated
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ุนู„ู‰ ุงู„ุนูƒุณุŒ ูุงู„ุฌูŠู†ุงุช ุงู„ุชูŠ ุชู… ุชู†ุธูŠู…ู‡ุง ุจุดูƒู„ ุฃูƒุจุฑ
13:34
or increased by way of a lack of sleep,
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ุฃูˆ ุชู…ุช ุฒูŠุงุฏุชู‡ุง ุนู† ุทุฑูŠู‚ ู†ู‚ุต ุงู„ู†ูˆู…ุŒ
13:36
were genes associated with the promotion of tumors,
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ูƒุงู†ุช ุงู„ุฌูŠู†ุงุช ุงู„ู…ุชุนู„ู‚ุฉ ุจุชุทูˆู‘ุฑ ุงู„ุฃูˆุฑุงู…ุŒ
13:40
genes associated with long-term chronic inflammation within the body,
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ุงู„ุฌูŠู†ุงุช ุงู„ู…ุฑุชุจุทุฉ ุจุงู„ุงู„ุชู‡ุงุจ ุงู„ู…ุฒู…ู† ุทูˆูŠู„ ุงู„ุฃู…ุฏ ุฏุงุฎู„ ุงู„ุฌุณู…ุŒ
13:45
and genes associated with stress,
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ูˆุงู„ุฌูŠู†ุงุช ุงู„ู…ุฑุชุจุทุฉ ุจุงู„ุชูˆุชู‘ุฑุŒ
13:48
and, as a consequence, cardiovascular disease.
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ูˆูƒู†ุชูŠุฌุฉ ู„ุฐู„ูƒุŒ ุฃู…ุฑุงุถ ุงู„ุฌู‡ุงุฒ ุงู„ู‚ู„ุจูŠ ุงู„ูˆุนุงุฆูŠ.
ู„ุง ูŠูˆุฌุฏ ุจุจุณุงุทุฉ ุฃูŠ ุฌุงู†ุจ ู…ู† ุตุญุชูƒ
13:53
There is simply no aspect of your wellness
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13:56
that can retreat at the sign of sleep deprivation
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ูŠู…ูƒู†ู‡ ุงู„ุงู†ุณุญุงุจ ุนู†ุฏ ุธู‡ูˆุฑ ุฅุดุงุฑุฉ ู„ู†ู‚ุต ุงู„ู†ูˆู…
14:00
and get away unscathed.
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ูˆุงู„ุงุจุชุนุงุฏ ุณุงู„ู…ู‹ุง.
14:02
It's rather like a broken water pipe in your home.
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ูŠุดุจู‡ ุฐู„ูƒ ุฅู„ู‰ ุญุฏู‘ ู…ุง ุฃู†ุจูˆุจ ู…ูŠุงู‡ ู…ูƒุณูˆุฑ ููŠ ู…ู†ุฒู„ูƒ.
14:05
Sleep loss will leak down into every nook and cranny
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ูู†ู‚ุต ุงู„ู†ู‘ูˆู… ุณูŠุชุณุฑู‘ุจ ุฅู„ู‰ ูƒู„ ุฒุงูˆูŠุฉ ูˆุฑูƒู†
14:09
of your physiology,
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ู„ุฃุนุถุงุฆูƒุŒ
14:12
even tampering with the very DNA nucleic alphabet
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ุญุชู‰ ุฃู†ู‘ ุงู„ุชุฎุฑูŠุจ ุณูŠุตู„ ุฅู„ู‰ ุงู„ุฃุจุฌุฏูŠุฉ ุงู„ู†ูˆูˆูŠุฉ ู„ู„ุญู…ุถ ุงู„ู†ูˆูˆูŠ
14:15
that spells out your daily health narrative.
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ูˆุงู„ุชูŠ ุชุฑูˆูŠ ู‚ุตุฉ ุตุญุชูƒ ุงู„ูŠูˆู…ูŠุฉ.
14:21
And at this point, you may be thinking,
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ูˆุนู†ุฏ ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉุŒ ู‚ุฏ ุชุชุณุงุกู„:
"ูŠุง ุฅู„ู‡ูŠุŒ ูƒูŠู ุฃุณุชุทูŠุน ุฃู† ุฃุญุณู‘ู† ู†ูˆู…ูŠุŸ
14:24
"Oh my goodness, how do I start to get better sleep?
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14:27
What are you tips for good sleep?"
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ู…ุง ู‡ูŠ ู†ุตุงุฆุญูƒ ู„ู„ู†ูˆู… ุงู„ุฌูŠุฏุŸ"
14:30
Well, beyond avoiding the damaging and harmful impact
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ุจุงู„ุฅุถุงูุฉ ุฅู„ู‰ ุชุฌู†ุจ ุงู„ุชุฃุซูŠุฑ ุงู„ุฎุทูŠุฑ ูˆุงู„ู…ุฏู…ู‘ุฑ
14:34
of alcohol and caffeine on sleep,
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ู„ู„ูƒุญูˆู„ ูˆุงู„ูƒุงููŠูŠู† ุนู„ู‰ ุงู„ู†ูˆู…ุŒ
ูˆุฅุฐุง ูƒู†ุช ุชุนุงู†ูŠ ู…ู† ุตุนูˆุจุฉ ุงู„ู†ูˆู… ููŠ ุงู„ู„ูŠู„ุŒ
14:37
and if you're struggling with sleep at night,
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14:39
avoiding naps during the day,
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ุชุฌู†ู‘ูุจ ุงู„ู‚ูŠู„ูˆู„ุฉ ุฎู„ุงู„ ุงู„ูŠูˆู…ุŒ
ูุฅู† ู„ุฏูŠ ู†ุตูŠุญุชุงู† ู„ูƒู….
14:42
I have two pieces of advice for you.
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ุงู„ู†ุตูŠุญุฉ ุงู„ุฃูˆู„ู‰ ู‡ูŠ ุงู„ุงู†ุชุธุงู….
14:45
The first is regularity.
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14:47
Go to bed at the same time, wake up at the same time,
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ู†ู… ููŠ ู†ูุณ ุงู„ูˆู‚ุชุŒ ูˆุงุณุชูŠู‚ุธ ููŠ ู†ูุณ ุงู„ูˆู‚ุชุŒ
14:51
no matter whether it's the weekday or the weekend.
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ุณูˆุงุก ููŠ ุฃูŠุงู… ุงู„ุฃุณุจูˆุน ุฃูˆ ููŠ ุฃูŠุงู… ุงู„ุนุทู„ุฉ.
ุงู„ุงู†ุชุธุงู… ู…ู…ุชุงุฒ.
14:54
Regularity is king,
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ูˆุณูŠูˆุฌู‡ ู†ูˆู…ูƒ
14:57
and it will anchor your sleep
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14:59
and improve the quantity and the quality of that sleep.
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ูˆุณูŠุญุณู† ู…ู† ูƒู…ูŠุฉ ุฌูˆุฏุฉ ุฐู„ูƒ ุงู„ู†ูˆู….
15:04
The second is keep it cool.
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ุงู„ู†ุตูŠุญุฉ ุงู„ุซุงู†ูŠุฉ ู‡ูŠ ุฅุจู‚ุงุก ุงู„ุบุฑูุฉ ุจุงุฑุฏุฉ.
ูŠุญุชุงุฌ ุฌุณู…ูƒ ุฅู„ู‰ ุฃู† ูŠุฎูุถ ุฏุฑุฌุฉ ุญุฑุงุฑุชู‡ ุงู„ุฃุตู„ูŠุฉ
15:08
Your body needs to drop its core temperature
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15:10
by about two to three degrees Fahrenheit to initiate sleep
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ุญูˆุงู„ูŠ ุฏุฑุฌุฉ ุฃูˆ ุฏุฑุฌุฉ ูˆู†ุตู ู…ุฆูˆูŠุฉ ู…ู† ุฃุฌู„ ุงู„ุดุฑูˆุน ููŠ ุงู„ู†ูˆู…
15:14
and then to stay asleep,
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ูˆู…ู† ุซูŽู…ู‘ ุงู„ุจู‚ุงุก ู†ุงุฆู…ู‹ุงุŒ
15:16
and it's the reason you will always find it easier
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ูˆู‡ุฐุง ู‡ูˆ ุงู„ุณุจุจ ุงู„ุฐูŠ ูŠุฌุนู„ูƒ ุชุฌุฏ ุงู„ู†ูˆู… ุฃุณู‡ู„
15:19
to fall asleep in a room that's too cold
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ููŠ ุบุฑูุฉ ุจุงุฑุฏุฉ ุฌุฏู‹ู‘ุง
15:21
than too hot.
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ู…ู‚ุงุฑู†ุฉ ุจุบุฑูุฉ ุญุงุฑู‘ุฉ ุฌุฏู‘ู‹ุง.
15:24
So aim for a bedroom temperature of around 65 degrees,
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ู„ุฐู„ูƒ ุงุฎุชุฑ ุบุฑูุฉ ุจุฏุฑุฌุฉ ุญุฑุงุฑุฉ 65 ูู‡ุฑู†ู‡ุงูŠุช
15:27
or about 18 degrees Celsius.
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ุฃูˆ ุญูˆุงู„ูŠ 18 ุฏุฑุฌุฉ ู…ุฆูˆูŠุฉ.
15:29
That's going to be optimal for the sleep of most people.
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ุณูŠูƒูˆู† ู‡ุฐุง ู…ุซุงู„ูŠู‹ุง ู„ู„ู†ูˆู… ู„ู…ุนุธู… ุงู„ู†ุงุณ.
15:34
And then finally, in taking a step back, then,
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ูˆุฃุฎูŠุฑู‹ุงุŒ ุฅุฐุง ุชูˆู‚ูู†ุง ู„ุญุธุฉ ูˆููƒู‘ุฑู†ุง ู…ู„ูŠู‘ู‹ุง:
15:37
what is the mission-critical statement here?
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ู…ุง ู‡ูŠ ุงู„ููƒุฑุฉ ุงู„ู…ู‡ู…ุฉ ู‡ู†ุงุŸ
15:42
Well, I think it may be this:
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ุฃุนุชู‚ุฏ ุฃู†ู‡ุง ุชูƒูˆู† ู‡ุฐู‡:
15:45
sleep, unfortunately, is not an optional lifestyle luxury.
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ุงู„ู†ูˆู… -ู„ู„ุฃุณู- ู„ูŠุณ ุฎูŠุงุฑู‹ุง ุฑูุงู‡ููŠูŽู‹ุง.
ุงู„ู†ูˆู… ู‡ูˆ ุถุฑูˆุฑุฉ ุจูŠูˆู„ูˆุฌูŠุฉ ุฃูƒูŠุฏุฉ.
15:51
Sleep is a nonnegotiable biological necessity.
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15:56
It is your life-support system,
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ุฅู†ู‡ ุงู„ู†ุธุงู… ุงู„ุฐูŠ ูŠุจู‚ูŠูƒ ุนู„ู‰ ู‚ูŠุฏ ุงู„ุญูŠุงุฉุŒ
16:00
and it is Mother Nature's best effort yet at immortality.
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ูˆู‡ูˆ ุฃูƒุจุฑ ุฌู‡ุฏ ู„ู„ุทุจูŠุนุฉ ุงู„ุฃู… ุญุชู‰ ุงู„ุขู† ู„ู„ุฎู„ูˆุฏ.
16:06
And the decimation of sleep throughout industrialized nations
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ูˆู†ู‚ุต ุงู„ู†ูˆู… ููŠ ุฌู…ูŠุน ุงู„ุฏูˆู„ ุงู„ุตู‘ู†ุงุนูŠุฉ
16:11
is having a catastrophic impact on our health, our wellness,
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ู„ู‡ ุชุฃุซูŠุฑ ูƒุงุฑุซูŠ ุนู„ู‰ ุตุญุชู†ุง ูˆุนุงููŠุชู†ุงุŒ
ูˆุญุชู‰ ุนู„ู‰ ุณู„ุงู…ุฉ ุชุนู„ูŠู… ุฃุทูุงู„ู†ุง.
16:16
even the safety and the education of our children.
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16:20
It's a silent sleep loss epidemic,
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ุฅู†ู‡ ูˆุจุงุก ูู‚ุฏุงู† ุงู„ู†ูˆู….
16:23
and it's fast becoming one of the greatest public health challenges
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ูˆู„ู‚ุฏ ุฃุตุจุญ ู…ู† ุฃูƒุจุฑ ุงู„ุชุญุฏูŠุงุช ุงู„ุตุญูŠุฉ
16:26
that we face in the 21st century.
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ุงู„ุชูŠ ู†ูˆุงุฌู‡ู‡ุง ููŠ ุงู„ู‚ุฑู† ุงู„ุญุงุฏูŠ ูˆุงู„ุนุดุฑูŠู†.
16:32
I believe it is now time for us to reclaim our right
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ุฃุธู† ุฃู† ุงู„ูˆู‚ุช ู‚ุฏ ุญุงู† ู„ูƒูŠ ู†ุทุงู„ุจ ุจุญู‚ู†ุง
16:37
to a full night of sleep,
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ุจุณุงุนุงุช ูƒุงู…ู„ุฉ ู…ู† ุงู„ู†ูˆู…ุŒ
16:40
and without embarrassment
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ูˆุจุฏูˆู† ุญุฑุฌ
16:42
or that unfortunate stigma of laziness.
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ูˆุจุฏูˆู† ูˆุตู…ุฉ ุงู„ุนุงุฑ ุงู„ู…ุคุณูุฉ ุชู„ูƒ ุจุงู„ูƒุณู„.
16:46
And in doing so, we can be reunited with the most powerful elixir of life,
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ูˆุจูุนู„ู†ุง ุฐู„ูƒุŒ ู†ุณุชุทูŠุน ุฃู† ู†ุชุญุฏ ู…ุน ุฃู‚ูˆู‰ ุฅูƒุณูŠุฑ ู„ู„ุฎู„ูˆุฏุŒ
16:54
the Swiss Army knife of health, as it were.
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ุงู„ุณู‘ูƒูŠู† ุงู„ุณูˆูŠุณุฑูŠ ู„ู„ุตุญุฉุŒ ุฅุฐุง ุฌุงุฒ ุงู„ุชุนุจูŠุฑ.
ูˆุจุนุฏ ุฃู† ุทุฑู‚ุช ู…ุณุงู…ุนูƒู… ู…ู† ููˆู‚ ู‡ุฐู‡ ุงู„ู…ู†ุตุฉุŒ
16:58
And with that soapbox rant over,
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17:01
I will simply say, good night, good luck,
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ุณุฃู‚ูˆู„ ู„ูƒู… ุจุจุณุงุทุฉุŒ ุนู…ุชู… ู…ุณุงุกู‹ุŒ ุจุงู„ุชู‘ูˆููŠู‚ุŒ
17:03
and above all ...
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ูˆุฃู‡ู… ุดูŠุก...
17:06
I do hope you sleep well.
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ุฃุชู…ู†ู‰ ุฃู† ุชู†ุงู…ูˆุง ุฌูŠู‘ุฏู‹ุง.
17:08
Thank you very much indeed.
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ุดูƒุฑู‹ุง ุฌุฒูŠู„ู‹ุง ู„ูƒู….
(ุชุตููŠู‚)
17:10
(Applause)
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17:14
Thank you.
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ุดูƒุฑู‹ุง ู„ูƒู….
17:15
(Applause)
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(ุชุตููŠู‚)
17:18
Thank you so much.
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ุดูƒุฑู‹ุง ุฌุฒูŠู„ู‹ุง.
17:20
David Biello: No, no, no. Stay there for a second.
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ุฏุงููŠุฏ ุจูŠู„ู„ูˆ: ู„ุงุŒ ู„ุงุŒ ู„ุง. ุงุจู‚ ู…ูƒุงู†ูƒ ู„ุซุงู†ูŠุฉ ูˆุงุญุฏุฉ.
17:22
Good job not running away, though. I appreciate that.
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ุนู…ู„ ุฌูŠู‘ุฏ ุฃู†ู‘ูƒ ู„ู… ุชู‡ุฑุจ ุจุนูŠุฏู‹ุง. ุฃู†ุง ุฃู‚ุฏุฑ ุฐู„ูƒ.
17:25
So that was terrifying.
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ุฅุฐู‹ุงุŒ ูƒุงู† ู‡ุฐุง ู…ุฑุนุจู‹ุง.
17:26
Matt Walker: You're welcome. DB: Yes, thank you, thank you.
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ู…ุงุซูŠูˆ ูˆูˆูƒุฑ: ุนู„ู‰ ุงู„ุฑุญุจ ูˆุงู„ุณุนุฉ. ุฏุงููŠุฏ: ู†ุนู…ุŒ ุดูƒุฑู‹ุงุŒ ุดูƒุฑู‹ุง.
17:30
Since we can't catch up on sleep, what are we supposed to do?
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ุจู…ุง ุฃู†ู†ุง ู„ุง ู†ุณุชุทูŠุน ุงุณุชุฏุฑุงูƒ ู…ุง ูุงุชู†ุง ู…ู† ู†ูˆู…ุŒ ู…ุงุฐุง ูŠู†ุจุบูŠ ุนู„ูŠู†ุง ูุนู„ู‡ุŸ
17:35
What do we do when we're, like, tossing and turning in bed late at night
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ู…ุงุฐุง ู†ูุนู„ ุนู†ุฏู…ุง ู†ุชู‚ู„ู‘ุจ ููŠ ูุฑุงุดู†ุง ููŠ ุงู„ู„ูŠู„
ุฃูˆ ู†ุนู…ู„ ุจู†ุธุงู… ุงู„ูˆุฑุฏูŠุงุช ุฃูˆ ุฃูŠ ุดูŠุก ุขุฎุฑุŸ
17:39
or doing shift work or whatever else?
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17:42
MW: So you're right, we can't catch up on sleep.
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ู…ุงุซูŠูˆ: ุฃู†ุช ู…ุญู‚ุŒ ู„ุง ู†ุณุชุทูŠุน ุฃู† ู†ุณุชุฏุฑูƒ ู…ุง ูุงุชู†ุง ู…ู† ู†ูˆู…ุŒ
17:44
Sleep is not like the bank.
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ุงู„ู†ูˆู… ู„ูŠุณ ูƒูˆู…ุฉ.
17:45
You can't accumulate a debt
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ู„ุง ูŠู…ูƒู†ูƒ ุฃู† ุชูƒุฏู‘ุณ ุงู„ุฏูŠูˆู†.
17:47
and then hope to pay it off at a later point in time.
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ุซู… ุชุฃู…ู„ ุฃู† ุชุฏูุนู‡ุง ููŠ ูˆู‚ุช ู…ุญุฏุฏ.
17:50
I should also note the reason that it's so catastrophic
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ู„ุง ุจุฏ ุฃู† ุฃู†ูˆู‘ู‡ ุฃูŠุถู‹ุง ู„ู„ุณุจุจ ุงู„ู‘ุฐูŠ ูŠุฌุนู„ ุฐู„ูƒ ูƒุงุฑุซูŠู‘ู‹ุง
17:53
and that our health deteriorates so quickly,
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ูˆูŠุฌุนู„ ุตุญุชู†ุง ุชุชุฏู‡ูˆุฑ ุจุณุฑุนุฉุŒ
17:56
first, it's because human beings are the only species
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ุฃูˆู„ู‹ุงุŒ ู„ุฃู† ุงู„ุจุดุฑ ู‡ู… ุงู„ู†ูˆุน ุงู„ูˆุญูŠุฏ
17:59
that deliberately deprive themselves of sleep
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ุงู„ุฐูŠู† ูŠุญุฑู…ูˆู† ุฃู†ูุณู‡ู… ู…ู† ุงู„ู†ูˆู…
18:02
for no apparent reason.
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ุจุฏูˆู† ุฃูŠ ุณุจุจ ูˆุงุถุญ.
18:04
DB: Because we're smart.
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ุฏุงููŠุฏ: ู„ุฃู†ู†ุง ุฃุฐูƒูŠุงุก.
18:05
MW: And I make that point because it means that Mother Nature,
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ู…ุงุซูŠูˆ: ุฃู‚ูˆู„ ู‡ุฐุง ุงู„ูƒู„ุงู… ู„ุฃู† ู‡ุฐุง ูŠุนู†ูŠ ุฃู† ุงู„ุทุจูŠุนุฉ ุงู„ุฃู…
18:10
throughout the course of evolution,
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ุฎู„ุงู„ ุงู„ู…ุณุงุฑ ุงู„ุชุทูˆุฑูŠ
18:12
has never had to face the challenge of this thing called sleep deprivation.
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ู„ู… ูŠุชุณู†ู‰ ู„ู‡ุง ุฃู† ุชูˆุงุฌู‡ ู‡ุฐุง ุงู„ุฎุทุฑ ุงู„ู…ุณู…ู‰ ุจุงู„ุญุฑู…ุงู† ู…ู† ุงู„ู†ูˆู….
18:17
So she's never developed a safety net,
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ู„ุฐุง ู„ู… ุชุทูˆุฑ ุดุจูƒุฉ ุญู…ุงูŠุฉุŒ
18:20
and that's why when you undersleep,
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ูˆู„ู‡ุฐุง ุงู„ุณุจุจ ุฅุฐุง ูƒู†ุช ู„ุง ุชู†ุงู… ุจุดูƒู„ ูƒุงููุŒ
18:22
things just sort of implode so quickly, both within the brain and the body.
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ูุฅู† ุงู„ุฃุดูŠุงุก ุณุชู†ู‡ุงุฑ ุฏุงุฎู„ ุนู‚ู„ูƒ ูˆุฌุณู…ูƒ ุนู„ู‰ ุงู„ุณู‘ูˆุงุก.
18:27
So you just have to prioritize.
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ู„ุฐุง ุนู„ูŠูƒ ูู‚ุท ุฃู† ุชุนุทูŠ ุงู„ุฃุดูŠุงุก ุฃูˆู„ูˆูŠุงุชู‡ุง.
18:30
DB: OK, but tossing and turning in bed,
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ุฏุงููŠุฏ: ุญุณู†ุง ูˆู„ูƒู† ุฅุฐุง ูƒู†ุช ุฃุชู‚ู„ุจ ููŠ ูุฑุงุดูŠ
18:33
what do I do?
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ู…ุงุฐุง ุฃูุนู„ุŸ
18:34
MW: So if you are staying in bed awake for too long,
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ู…ุงุซูŠูˆ: ุฅุฐุง ูƒู†ุช ุชุชู‚ู„ุจ ููŠ ูุฑุงุดูƒ ู„ูุชุฑุฉ ุทูˆูŠู„ุฉ ู…ุณุชูŠู‚ุธู‹ุงุŒ
18:39
you should get out of bed and go to a different room
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ุนู„ูŠูƒ ุงู„ู†ู‡ูˆุถ ู…ู† ุณุฑูŠุฑูƒ ูˆุงู„ุชูˆุฌู‡ ู„ุบุฑูุฉ ุฃุฎุฑู‰
18:42
and do something different.
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ูˆุนู…ู„ ุดูŠุก ู…ุฎุชู„ู.
18:44
The reason is because your brain will very quickly associate your bedroom
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ุงู„ุณุจุจ ููŠ ู‡ุฐุง ุฃู† ุนู‚ู„ูƒ ุณูŠุฑุจุท ุบุฑูุฉ ู†ูˆู…ูƒ ุจุณุฑุนุฉ
18:48
with the place of wakefulness,
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ุจู…ูƒุงู† ุงู„ุงุณุชูŠู‚ุงุธุŒ
18:50
and you need to break that association.
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ู„ุฐู„ูƒ ุชุญุชุงุฌ ุฃู† ุชูƒุณุฑ ู‡ุฐู‡ ุงู„ุฑุงุจุทุฉ.
18:53
So only return to bed when you are sleepy,
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ุนุฏ ุฅู„ู‰ ุงู„ุณุฑูŠุฑ ูู‚ุท ุนู†ุฏู…ุง ุชูƒูˆู† ู‚ุฏ ู†ุนุณุชุŒ
18:56
and that way you will relearn the association that you once had,
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ูˆุจู‡ุฐู‡ ุงู„ุทุฑูŠู‚ุฉ ุณุชูƒูˆู† ู‚ุฏ ุฃุนุฏุช ุชูƒูˆูŠู† ุงู„ุฑุจุทุฉ ุงู„ุชูŠ ูƒุงู†ุช ู„ุฏูŠูƒุŒ
18:59
which is your bed is the place of sleep.
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ูˆู‡ูŠ ุฃู† ุงู„ุณุฑูŠุฑ ู‡ูˆ ู…ูƒุงู† ุงู„ู†ูˆู….
19:02
So the analogy would be,
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ู„ุฐุง ุงู„ู…ู‚ุงุฑู†ุฉ ุณุชูƒูˆู†ุŒ
19:04
you'd never sit at the dinner table, waiting to get hungry,
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ุฃู†ุช ู„ู† ุชุฌู„ุณ ุฃุจุฏู‹ุง ุนู„ู‰ ู…ุงุฆุฏุฉ ุงู„ุทุนุงู… ู…ู†ุชุธุฑู‹ุง ุฃู† ุชุฌูˆุนุŒ
19:07
so why would you lie in bed, waiting to get sleepy?
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ูู„ู…ุงุฐุง ุฅุฐู‹ุง ุณุชุณู„ู‚ูŠ ุนู„ู‰ ุณุฑูŠุฑูƒ ู…ู†ุชุธุฑู‹ุง ุฃู† ุชู†ุนุณุŸ
19:11
DB: Well, thank you for that wake-up call.
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ุฏุงููŠุฏ: ุดูƒุฑู‹ุง ู„ูƒ ุนู„ู‰ ู‡ุฐู‡ ุงู„ู†ุตูŠุญุฉ.
19:13
Great job, Matt.
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ุนู…ู„ ุฑุงุฆุน ูŠุง ู…ุงุซ.
19:14
MW: You're very welcome. Thank you very much.
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ู…ุงุซูŠูˆ: ุนู„ู‰ ุงู„ุฑุญุจ ูˆุงู„ุณุนุฉ. ุดูƒุฑู‹ุง ุฌุฒูŠู„ู‹ุง ู„ูƒ.
ุญูˆู„ ู‡ุฐุง ุงู„ู…ูˆู‚ุน

ุณูŠู‚ุฏู… ู„ูƒ ู‡ุฐุง ุงู„ู…ูˆู‚ุน ู…ู‚ุงุทุน ููŠุฏูŠูˆ YouTube ุงู„ู…ููŠุฏุฉ ู„ุชุนู„ู… ุงู„ู„ุบุฉ ุงู„ุฅู†ุฌู„ูŠุฒูŠุฉ. ุณุชุฑู‰ ุฏุฑูˆุณ ุงู„ู„ุบุฉ ุงู„ุฅู†ุฌู„ูŠุฒูŠุฉ ุงู„ุชูŠ ูŠุชู… ุชุฏุฑูŠุณู‡ุง ู…ู† ู‚ุจู„ ู…ุฏุฑุณูŠู† ู…ู† ุงู„ุฏุฑุฌุฉ ุงู„ุฃูˆู„ู‰ ู…ู† ุฌู…ูŠุน ุฃู†ุญุงุก ุงู„ุนุงู„ู…. ุงู†ู‚ุฑ ู†ู‚ุฑู‹ุง ู…ุฒุฏูˆุฌู‹ุง ููˆู‚ ุงู„ุชุฑุฌู…ุฉ ุงู„ุฅู†ุฌู„ูŠุฒูŠุฉ ุงู„ู…ุนุฑูˆุถุฉ ุนู„ู‰ ูƒู„ ุตูุญุฉ ููŠุฏูŠูˆ ู„ุชุดุบูŠู„ ุงู„ููŠุฏูŠูˆ ู…ู† ู‡ู†ุงูƒ. ูŠุชู… ุชู…ุฑูŠุฑ ุงู„ุชุฑุฌู…ุงุช ุจุงู„ุชุฒุงู…ู† ู…ุน ุชุดุบูŠู„ ุงู„ููŠุฏูŠูˆ. ุฅุฐุง ูƒุงู† ู„ุฏูŠูƒ ุฃูŠ ุชุนู„ูŠู‚ุงุช ุฃูˆ ุทู„ุจุงุช ุŒ ูŠุฑุฌู‰ ุงู„ุงุชุตุงู„ ุจู†ุง ุจุงุณุชุฎุฏุงู… ู†ู…ูˆุฐุฌ ุงู„ุงุชุตุงู„ ู‡ุฐุง.

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