How sleep can improve your immunity | Sleeping with Science, a TED series

134,558 views ใƒป 2020-09-02

TED


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

00:00
Transcriber: TED Translators admin Reviewer: Ivana Korom
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Often when we're sick
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ืชืจื’ื•ื: zeeva Livshitz ืขืจื™ื›ื”: Sigal Tifferet
ืœืขืชื™ื ืงืจื•ื‘ื•ืช ื›ืฉืื ื—ื ื• ื—ื•ืœื™ื,
00:01
typically what we want to do is just curl up in bed
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ืžื” ืฉื‘ื“ืจืš ื›ืœืœ ืื ื—ื ื• ืจื•ืฆื™ื ืœืขืฉื•ืช, ื–ื” ืœื”ืชื›ืจื‘ืœ ื‘ืžื™ื˜ื”
00:04
and go to sleep.
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ื•ืœืœื›ืช ืœื™ืฉื•ืŸ.
00:05
And in part what we're trying to do
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ื•ืžื” ืฉืื ื—ื ื• ืžื ืกื™ื ืœืขืฉื•ืช
00:08
is sleep ourselves well,
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ื–ื” ืœื™ืฉื•ืŸ ื˜ื•ื‘,
00:10
because there's a very intimate association
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ื›ื™ ื™ืฉ ืงืฉืจ ื—ื–ืง
00:13
between our sleep health and our immune health.
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ื‘ื™ืŸ ืฉื™ื ื” ื‘ืจื™ืื” ืœื‘ืจื™ืื•ืชื ื• ื”ื—ื™ืกื•ื ื™ืช.
00:17
[Sleeping with Science]
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{ืฉื™ื ื” ืขื ืžื“ืข)
00:21
We know that individuals reporting less than seven hours of sleep a night
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ืื ื• ื™ื•ื“ืขื™ื ืฉืœืื ืฉื™ื ืฉืžื“ื•ื•ื—ื™ื ืขืœ ืคื—ื•ืช ืžืฉื‘ืข ืฉืขื•ืช ืฉื™ื ื” ื‘ืœื™ืœื”
00:26
are almost three times more likely to become infected by the rhinovirus,
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ื™ืฉ ื›ืžืขื˜ ืคื™ 3 ื™ื•ืชืจ ืกื™ื›ื•ื™ ืœื”ื™ื“ื‘ืง ื‘ืจื™ื™ื ื•-ื•ื™ืจื•ืก,
00:31
otherwise known as the common cold.
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ื”ื™ื“ื•ืข ื’ื ื‘ืฉื: ื”ืฆื˜ื ื ื•ืช.
00:33
We also know that women sleeping five hours or less a night
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ืื ื—ื ื• ื™ื•ื“ืขื™ื ื’ื ืฉืœื ืฉื™ื ืฉื™ืฉื ื•ืช ื—ืžืฉ ืฉืขื•ืช ืื• ืคื—ื•ืช ื‘ืœื™ืœื”
00:38
are almost 70 percent more likely to develop pneumonia.
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ื™ืฉ ื›ืžืขื˜ 70 ืื—ื•ื– ื™ื•ืชืจ ืกื™ื›ื•ื™ื™ื ืœืคืชื— ื“ืœืงืช ืจื™ืื•ืช.
00:42
Well we've also discovered that sleep can play a role
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ื•ื‘ื›ืŸ ื’ื™ืœื™ื ื• ื’ื ืฉืฉื™ื ื” ื™ื›ื•ืœื” ืœืžืœื ืชืคืงื™ื“
00:45
in your successful immunization.
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ื‘ื”ืฆืœื—ืช ืžืขืจื›ืช ื”ื—ื™ืกื•ืŸ ืฉืœื›ื.
00:48
So in one study, they took a group of individuals
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ื‘ืžื—ืงืจ ืื—ื“, ื–ื™ืžื ื• ืงื‘ื•ืฆื” ืฉืœ ืื ืฉื™ื
00:51
and they limited them to four hours of sleep a night
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ื•ื”ื’ื‘ื™ืœื• ืื•ืชื ืœืืจื‘ืข ืฉืขื•ืช ืฉื™ื ื” ื‘ืœื™ืœื”
00:55
for six nights.
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ื‘ืžืฉืš ืฉื™ืฉื” ืœื™ืœื•ืช.
00:56
And in the other group,
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ื•ืœืงื‘ื•ืฆื” ื”ืื—ืจืช,
00:58
they gave them a full night of sleep
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ืื™ืคืฉืจื• ืœื™ืฉื•ืŸ ืฉื ืช ืœื™ืœื” ืžืœืื”
01:00
each and every one of those nights.
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ื‘ื›ืœ ืื—ื“ ืžืื•ืชื ืœื™ืœื•ืช.
01:01
And then during that time period, they gave them a flu shot
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ื•ื‘ืชืงื•ืคืช ื”ื–ืžืŸ ื”ื”ื™ื, ื”ื–ืจื™ืงื• ืœื”ื ื—ื™ืกื•ืŸ ืœืฉืคืขืช
01:05
and they measured the response to that flu shot.
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ื•ืžื“ื“ื• ืืช ื”ืชื’ื•ื‘ื” ืœื—ื™ืกื•ืŸ.
01:09
What they discovered is that in those individuals
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ืžื” ืฉื’ื™ืœื• ื”ื™ื”, ืฉืื•ืชื ืื ืฉื™ื
01:12
who were sleeping just four hours a night,
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ืฉื™ืฉื ื• ืจืง ืืจื‘ืข ืฉืขื•ืช ื‘ืœื™ืœื”,
01:15
they went on to produce less than 50 percent
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ื™ื™ืฆืจื• ืคื—ื•ืช ืž-50 ืื—ื•ื–
01:19
of the normal antibody response.
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ืฉืœ ืชื’ื•ื‘ืช ื”ื ื•ื’ื“ื ื™ื ื”ืจื’ื™ืœื”.
01:21
So in other words, if you're not getting sufficient sleep
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ืื– ื‘ืžื™ืœื™ื ืื—ืจื•ืช, ืื ืื™ื ื›ื ื™ืฉื ื™ื ืžืกืคื™ืง
01:24
in the week or the days before you get your flu shot,
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ื‘ืฉื‘ื•ืข ืื• ื‘ื™ืžื™ื ืฉืงื“ืžื• ืœืงื‘ืœืช ื”ื—ื™ืกื•ืŸ ื ื’ื“ ืฉืคืขืช
01:29
it may render that vaccination far less effective as a consequence.
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ื”ื“ื‘ืจ ืขืฉื•ื™ ืœื”ืคื—ื™ืช ื‘ื”ืจื‘ื” ืžื™ืขื™ืœื•ืช ื”ื—ื™ืกื•ืŸ.
01:34
What this tells us,
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ืžื” ืฉื–ื” ืื•ืžืจ ืœื ื•,
01:35
and now what we're starting to learn,
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ื•ืžื” ืฉืื ื—ื ื• ืžืชื—ื™ืœื™ื ืœืœืžื•ื“ ื›ืขืช,
01:37
is that it's during sleep at night,
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ื–ื” ืฉื‘ื–ืžืŸ ื”ืฉื™ื ื” ื‘ืœื™ืœื”,
01:40
including deep non-REM sleep,
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ื›ื•ืœืœ ืฉื™ื ื” ืขืžื•ืงื” ืฉืื™ื ื” ืฉื ืช REM,
01:43
when we actually restock the weaponry
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ื›ืฉืื ื—ื ื• ืœืžืขืฉื” ืžื—ื“ืฉื™ื ืืช ืžืœืื™ ื›ืœื™ ื”ืœื—ื™ืžื”
01:46
within our immune arsenal.
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ื‘ืชื•ืš ืืจืกื ืœ ื”ื—ื™ืกื•ืŸ ืฉืœื ื•.
01:49
We actually stimulate the production
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ืื ื—ื ื• ืœืžืขืฉื” ืžืžืจื™ืฆื™ื ืืช ื”ื™ื™ืฆื•ืจ
01:51
of numerous different immune factors.
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ืฉืœ ื’ื•ืจืžื™ื ื—ื™ืกื•ื ื™ื™ื ืจื‘ื™ื.
01:54
And furthermore,
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ื•ื‘ื ื•ืกืฃ ืœื›ืš,
01:55
the body actually increases its sensitivity to those immune factors.
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ื”ื’ื•ืฃ ืžื’ื“ื™ืœ ืืช ืจื’ื™ืฉื•ืชื• ืœืื•ืชื ื’ื•ืจืžื™ื ื—ื™ืกื•ื ื™ื™ื.
02:01
So you wake up the next day
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ื›ื“ื™ ืฉืชืชืขื•ืจืจื• ืœืžื—ืจืช
02:03
as a more robust immune individual.
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ื›ื‘ื ื™ ืื“ื ื‘ืขืœื™ ืžืขืจื›ืช ื—ื™ืกื•ืŸ ื—ื–ืงื” ื™ื•ืชืจ.
02:07
So when it comes to your immune system,
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ืื– ื›ืฉืžื“ื•ื‘ืจ ื‘ืžืขืจื›ืช ื”ื—ื™ืกื•ืŸ ืฉืœื›ื,
02:10
you should perhaps think of sleep
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ืขืœื™ื›ื ืื•ืœื™ ืœื—ืฉื•ื‘ ืขืœ ืฉื™ื ื”
02:12
as one of the best health insurance policies
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ื›ืื—ืช ืžืคื•ืœื™ืกื•ืช ื‘ื™ื˜ื•ื— ื”ื‘ืจื™ืื•ืช ื”ื˜ื•ื‘ื•ืช ื‘ื™ื•ืชืจ
02:15
that you could ever wish for.
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ืฉืื™ ืคืขื ืชื•ื›ืœื• ืœืื—ืœ ืœืขืฆืžื›ื.
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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