The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg

2,094,223 views ใƒป 2018-01-04

TED


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

ืžืชืจื’ื: Itay Galilee ืžื‘ืงืจ: Orr Schlesinger
00:13
What if you could make your sleep more efficient?
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ืžื” ืื ืื•ืžืจ ืœื›ื ืฉืชื•ื›ืœื• ืœื”ืคื•ืš ืืช ื”ืฉื™ื ื” ืฉืœื›ื ืœื™ืขื™ืœื” ื™ื•ืชืจ?
00:17
As a sleep scientist,
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ื›ืžื“ืขืŸ ืฉื™ื ื”,
00:19
this is the question that has captivated me
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ื–ื•ื”ื™ ื”ืฉืืœื” ืฉืกืงืจื ื” ืื•ืชื™
00:22
for the past 10 years.
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ื‘-10 ื”ืฉื ื™ื ื”ืื—ืจื•ื ื•ืช.
00:24
Because while the lightbulb and technology have brought about a world
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ื‘ื’ืœืœ ืฉื‘ื–ืžืŸ ืฉื”ื ื•ืจื” ื•ื”ื˜ื›ื ื•ืœื•ื’ื™ื” ื”ื‘ื™ืื• ืœืขื•ืœื
00:28
of 24-hour work and productivity,
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ืฉืœ 24-ืฉืขื•ืช ืขื‘ื•ื“ื” ื•ืคืจื•ื“ืงื˜ื™ื‘ื™ื•ืช,
00:32
it has come at the cost
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ื”ืžื—ื™ืจ ืฉืื ื• ืžืฉืœืžื™ื
00:34
of our naturally occurring circadian rhythm
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ื”ื•ื ื‘ืฉืขื•ืŸ ื”ื‘ื™ื•ืœื•ื’ื™
00:37
and our body's need for sleep.
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ื•ื‘ืฆื•ืจืš ื”ื’ื•ืฃ ืฉืœื ื• ื‘ืฉื™ื ื”.
00:40
The circadian rhythm dictates our energy level throughout the day,
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ื”ืฉืขื•ืŸ ื”ื‘ื™ื•ืœื•ื’ื™ ืžื›ืชื™ื‘ ืืช ืจืžืช ื”ืื ืจื’ื™ื” ืฉืœื ื• ื‘ืžื”ืœืš ื”ื™ื•ื,
00:44
and only recently we've been conducting a global experiment on this rhythm,
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ื•ืจืง ืœืื—ืจื•ื ื” ื”ืชื—ืœื ื• ื‘ื ื™ืกื•ื™ ื’ืœื•ื‘ืืœื™ ืขืœ ื”ืฉืขื•ืŸ ื”ื–ื”,
00:49
which is putting our sleep health
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ื“ื‘ืจ ืฉืžืฆื™ื‘ ืืช ื‘ืจื™ืื•ืช ื”ืฉื™ื ื” ืฉืœื ื•,
00:51
and ultimately our life quality in jeopardy.
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ื•ื‘ืกื•ืคื• ืฉืœ ื“ื‘ืจ ืืช ืื™ื›ื•ืช ื—ื™ื™ื ื• ื‘ืกื›ื ื”.
00:56
Because of this,
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ื‘ืฉืœ ื›ืš,
00:57
we aren't getting the sleep we need,
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ืื ื• ืœื ืžืงื‘ืœื™ื ืืช ื”ืฉื™ื ื” ืฉืื ื• ืฆืจื™ื›ื™ื,
00:59
with the average American sleeping a whole hour less
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ื›ืืฉืจ ื”ืืžืจื™ืงืื™ ื”ืžืžื•ืฆืข ื™ืฉืŸ ืฉืขื” ืฉืœืžื” ืคื—ื•ืช
01:03
than they did in the 1940s.
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ืžืงื•ื“ืžื™ื• ื‘ืฉื ื•ืช ื”-40 ืฉืœ ื”ืžืื” ื”ืงื•ื“ืžืช.
01:05
For some reason,
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ืžืกื™ื‘ื” ื›ืœืฉื”ื™,
01:07
we decided to wear it as a badge of honor
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ื”ื—ืœื˜ื ื• ืœื”ืชื”ื“ืจ ื‘ื›ืš
01:09
that we can get by on not enough sleep.
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ืฉืื ื• ื™ื›ื•ืœื™ื ืœืชืคืงื“ ื›ืจืื•ื™ ืขื ืฉื™ื ื” ืžื•ืขื˜ื”.
01:12
This all adds up to a real health crisis.
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ื›ืœ ื–ื” ืžืกืชื›ื ื‘ืžืฉื‘ืจ ื‘ืจื™ืื•ืชื™ ืจืฆื™ื ื™.
01:16
Most of us know that poor sleep is linked to diseases
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ืจื•ื‘ื ื• ื™ื•ื“ืขื™ื ืฉืฉื™ื ื” ื“ืœื” ืงืฉื•ืจื” ืœืžื—ืœื•ืช
01:20
like Alzheimer's, cardiovascular disease,
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ื›ืžื• ืืœืฆื”ื™ื™ืžืจ, ืžื—ืœื•ืช ืœื‘ ื•ื›ืœื™ ื“ื,
01:23
stroke and diabetes.
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ืฉื‘ืฅ ื•ืกื›ืจืช.
01:25
And if you go untreated with a sleep disorder like sleep apnea,
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ื•ืื ืœื ืชื˜ืคืœื• ื‘ื”ืคืจืขื•ืช ืฉื™ื ื” ื›ืžื• ื“ื•ื ื ืฉื™ืžื” ื‘ืฉื™ื ื”
01:29
you're more likely to get many of these illnesses.
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ืชื”ื™ื• ื‘ืกื™ื›ื•ืŸ ืžื•ื’ื‘ืจ ืœื—ืœื•ืช ื‘ืžื—ืœื•ืช ื”ื "ืœ.
01:33
But did you know about sleep's impact on your mental states?
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ืื•ืœื, ื”ืื ื™ื“ืขืชื ืขืœ ื”ืฉืคืขืช ื”ืฉื™ื ื” ืขืœ ื”ืžืฆื‘ ื”ืžื ื˜ืืœื™ ืฉืœื›ื?
01:38
Poor sleep makes us make risky, rash decisions
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ืฉื™ื ื” ื“ืœื” ื’ื•ืจืžืช ืœื ื• ืœืงื‘ืœ ื”ื—ืœื˜ื•ืช ืžืกื•ื›ื ื•ืช ื•ืคื–ื™ื–ื•ืช
01:42
and is a drain on our capacity for empathy.
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ื•ื”ื™ื ืคื•ื’ืขืช ื‘ื™ื›ื•ืœืช ืฉืœื ื• ืœื’ืœื•ืช ืืžืคืชื™ื”.
01:46
When sleep deprivation literally makes us more sensitive to our own pain,
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ื›ืืฉืจ ืžื—ืกื•ืจ ื‘ืฉื™ื ื” ื’ื•ืจื ืœื ื•, ืคืฉื•ื˜ื• ื›ืžืฉืžืขื•, ืœื”ื™ื•ืช ืจื’ื™ืฉื™ื ื™ื•ืชืจ ืœื›ืื‘ ืฉืœื ื•,
01:52
it's not so surprising that we have a hard time relating to others
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ื–ื” ืœื ื›"ื› ืžืคืชื™ืข ืฉืื ื• ืžืชืงืฉื™ื ืœื”ืชื—ื‘ืจ ืœืื—ืจื™ื
01:56
and just generally being a good and healthy person
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ื•ื‘ืื•ืคืŸ ื›ืœืœื™ ืœื”ื™ื•ืช ืื ืฉื™ื ื˜ื•ื‘ื™ื ื•ื‘ืจื™ืื™ื
01:59
when we're sleep-deprived.
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ื›ืืฉืจ ืื ื• ื—ืกืจื™ ืฉื™ื ื”.
02:01
Scientists are now starting to understand
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ืžื“ืขื ื™ื ื”ื—ืœื• ืœื”ื‘ื™ืŸ
02:04
how not only the quantity
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ืฉืœื ืจืง ื›ืžื•ืช ื”ืฉื™ื ื”
02:06
but also the quality of sleep impacts our health and well-being.
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ืืœื ื’ื ืื™ื›ื•ืช ื”ืฉื™ื ื” ืžืฉืคื™ืขื” ืขืœ ื‘ืจื™ืื•ืชื ื•.
02:12
My research focuses
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ื”ืžื—ืงืจ ืฉืœื™ ืžืชืžืงื“
02:14
on what many scientists believe is the most regenerative stage of sleep:
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ื‘ืฉืœื‘ ืฉืœืคื™ ืžื“ืขื ื™ื ืจื‘ื™ื ื”ื•ื ื”ืžืฉืžืขื•ืชื™ ื‘ื™ื•ืชืจ ืœืจื™ืคื•ื™ -
02:19
deep sleep.
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ืฉื™ื ื” ืขืžื•ืงื”.
02:20
We now know that generally speaking,
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ื›ื™ื•ื ืื ื• ื™ื•ื“ืขื™ื ืฉื‘ืื•ืคืŸ ื›ืœืœื™,
02:23
there are three stages of sleep:
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ืœืฉื™ื ื” 3 ืฉืœื‘ื™ื :
02:25
light sleep,
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ืฉื™ื ื” ืงืœื”,
02:27
rapid eye movement or REM
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ืจื™ืฆื•ื“ื™ ืขื™ื ื™ื™ื ืžื”ื™ืจื™ื ืื• ืจืข"ืž
02:29
and deep sleep.
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ื•ืฉื™ื ื” ืขืžื•ืงื”.
02:31
We measure these stages by connecting electrodes to the scalp, chin and chest.
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ืื ื• ืžื•ื“ื“ื™ื ืืช ื”ืฉืœื‘ื™ื ื”ืืœื• ืข"ื™ ื—ื™ื‘ื•ืจ ืืœืงื˜ืจื•ื“ื•ืช ืœืงืจืงืคืช, ืกื ื˜ืจ ื•ื—ื–ื”.
02:37
In light sleep and REM,
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ื‘ืฉื™ื ื” ืงืœื” ื•ืจืข"ืž,
02:39
our brain waves are very similar to our brain waves in waking life.
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ื’ืœื™ ื”ืžื— ืฉืœื ื• ื“ื•ืžื™ื ืžืื•ื“ ืœื’ืœื™ ื”ืžื— ืฉืœื ื• ื‘ืžื”ืœืš ื”ื™ื•ื-ื™ื•ื.
02:43
But our brain waves in deep sleep have these long-burst brain waves
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ืืš ืœื’ืœื™ ื”ืžื— ืฉืœื ื• ื‘ืฉื™ื ื” ืขืžื•ืงื” ื™ืฉ ืืช ื”ื”ืชืคืจืฆื•ื™ื•ืช ื”ืืœื•
02:47
that are very different from our waking life brain waves.
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ื‘ืฉื•ื ื” ืœื—ืœื•ื˜ื™ืŸ ืžื’ืœื™ ื”ืžื— ื”ืขืจื™ื ืฉืœื ื•.
02:51
These long-burst brain waves are called delta waves.
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ื’ืœื™ ื”ืžื— ื”ืžืชืคืจืฆื™ื ื”ืืœื• ื ืงืจืื™ื ื’ืœื™ ื“ืœืชื.
02:56
When we don't get the deep sleep we need,
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ื›ืืฉืจ ืื ื• ืœื ืžืงื‘ืœื™ื ืืช ื”ืฉื™ื ื” ื”ืขืžื•ืงื” ืฉืื ื• ืฆืจื™ื›ื™ื,
02:59
it inhibits our ability to learn
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ื ืคื’ืขืช ื™ื›ื•ืœืช ื”ืœืžื™ื“ื” ืฉืœื ื•
03:01
and for our cells and bodies to recover.
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ื•ื™ื›ื•ืœืช ื”ืชืื™ื ื•ื”ื’ื•ืฃ ืฉืœื ื• ืœื”ื—ืœื™ื.
03:04
Deep sleep is how we convert all those interactions
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ืฉื™ื ื” ืขืžื•ืงื” ื”ื™ื ื”ื“ืจืš ื‘ื” ืื ื• ืžืžื™ืจื™ื ืืช ื›ืœ ื”ืื™ื ื˜ืจืงืฆื™ื•ืช
03:08
that we make during the day
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ืฉืื ื• ื—ื•ื•ื™ื ื‘ืžื”ืœืš ื”ื™ื•ื
03:09
into our long-term memory and personalities.
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ืœืชื•ืš ื”ื–ื™ื›ืจื•ืŸ ืœื˜ื•ื•ื—-ื”ืืจื•ืš ืฉืœื ื• ื•ืœืื™ืฉื™ื•ืชื ื•.
03:13
As we get older,
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ื›ืฉืื ื• ืžื–ื“ืงื ื™ื,
03:14
we're more likely to lose these regenerative delta waves.
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ืื ื• ื‘ืกื™ื›ื•ืŸ ืžื•ื’ื‘ืจ ืœืื‘ื“ ืืช ื’ืœื™ ื”ื“ืœืชื ื”ืžืจืคืื™ื ื”ืœืœื•.
03:18
So in way, deep sleep and delta waves
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ืื ื›ืš, ืฉื™ื ื” ืขืžื•ืงื” ื•ื’ืœื™ ื“ืœืชื
03:20
are actually a marker for biological youth.
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ื”ื ืžื“ื“ ืœืฆืขื™ืจื•ืช ื‘ื™ื•ืœื•ื’ื™ืช.
03:25
So naturally, I wanted to get more deep sleep for myself
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ื‘ืื•ืคืŸ ื˜ื‘ืขื™, ืจืฆื™ืชื™ ืœื”ืฉื™ื’ ืœืขืฆืžื™ ื™ื•ืชืจ ืฉื™ื ื” ืขืžื•ืงื”
03:29
and I literally tried almost every gadget, gizmo, device and hack out there --
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ื•ื ื™ืกื™ืชื™, ื‘ืื•ืคืŸ ืžื™ืœื•ืœื™, ื›ืœ ื’ืื“ื’'ื˜ ืคื˜ื ื˜, ืžื›ืฉื™ืจ ื•ืฉื˜ื•ืช ืฉื‘ื ืžืฆื --
03:34
consumer-grade, clinical-grade,
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ื‘ืื™ื›ื•ืช ืœืฆืจื›ืŸ, ื‘ืื™ื›ื•ืช ืžืขื•ืœื”,
03:36
what have you.
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ืžื” ืฉืœื ืชืจืฆื•.
03:38
I learned a lot, and I found I really do need, like most people,
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ืœืžื“ืชื™ ื”ืžื•ืŸ, ื•ื’ื™ืœื™ืชื™ ืฉืื ื™ ื‘ืืžืช ืฆืจื™ืš, ื›ืžื• ืจื•ื‘ ื‘ื ื™ ื”ืื“ื,
03:42
eight hours of sleep.
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ืฉืžื•ื ื” ืฉืขื•ืช ืฉื™ื ื”.
03:44
I even shifted my circadian component
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ืืคื™ืœื• ืฉื™ื ื™ืชื™ ืžืจื›ื™ื‘ ื‘ืฉืขื•ืŸ ื”ื‘ื™ื•ืœื•ื’ื™ ืฉืœื™
03:47
by changing my meals, exercise and light exposure,
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ืข"ื™ ืฉื™ื ื•ื™ื™ื ื‘ืืจื•ื—ื•ืช, ืื™ืžื•ื ื™ื ื•ื—ืฉื™ืคื” ืœืื•ืจ,
03:51
but I still couldn't find a way to get a deeper night of sleep ...
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ืื‘ืœ ืขื“ื™ื™ืŸ ืœื ื”ืฆืœื—ืชื™ ืœืžืฆื•ื ื“ืจืš ืœืฉื™ื ื” ืขืžื•ืงื” ื™ื•ืชืจ ...
03:55
that is until I met Dr. Dmitry Gerashchenko
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ื›ืœ ื–ื” ื”ืฉืชื ื” ื›ืฉื”ื›ืจืชื™ ืืช ื“"ืจ ื“ืžื™ื˜ืจื™ ื’ืจืฉื ืงื•
03:58
from Harvard Medical School.
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ืžื‘ื™ืช ื”ืกืคืจ ืœืจืคื•ืื” ื‘ื”ืจื•ื•ืืจื“.
04:00
Dmitry told me about a new finding in the literature,
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ื“ืžื™ื˜ืจื™ ืกื™ืคืจ ืœื™ ืขืœ ืžืžืฆื ื—ื“ืฉ ื‘ืกืคืจื•ืช,
04:03
where a lab out of Germany showed that if you could play certain sounds
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ืฉืžืขื‘ื“ื” ื‘ื’ืจืžื ื™ื” ื”ื•ื›ื™ื—ื” ืฉืื ืืชื ืžืฉืžื™ืขื™ื ืฆืœื™ืœื™ื ืžืกื•ื™ืžื™ื
04:08
at the right time in people's sleep,
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ื‘ื–ืžืŸ ื”ืžืชืื™ื ื‘ืฉื ืชื ืฉืœ ืื—ืจื™ื,
04:10
you could actually make sleep deeper and more efficient.
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ืชื•ื›ืœื• ืœื”ืคื•ืš ืืช ื”ืฉื™ื ื” ืœืขืžื•ืงื” ื•ื™ืขื™ืœื” ื™ื•ืชืจ.
04:15
And what's more, is that this lab showed
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ืžืขื‘ืจ ืœื›ืš, ื”ืžืขื‘ื“ื” ื”ื•ื›ื™ื—ื”
04:17
that you actually could improve next-day memory performance
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ืฉืชื•ื›ืœื• ืœืฉืคืจ ืืช ืชืคืงื•ื“ ื”ื–ื™ื›ืจื•ืŸ ื‘ื™ื•ื ื”ื‘ื
04:21
with this sound.
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ื‘ืขื–ืจืช ื”ืฆืœื™ืœื™ื ื”ืืœื•.
04:23
Dmitry and I teamed up,
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ื“ืžื™ื˜ืจื™ ื•ืื ื™ ื—ื‘ืจื ื•,
04:24
and we began working on a way to build this technology.
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ื•ื”ืชื—ืœื ื• ืœืขื‘ื•ื“ ืขืœ ื“ืจืš ืœืงื“ื ืืช ื”ื˜ื›ื ื•ืœื•ื’ื™ื” ื”ื–ื•.
04:28
With our research lab collaborators at Penn State,
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ื‘ืขื–ืจืช ืขืžื™ืชื™ ื”ืžื—ืงืจ ืฉืœื ื• ืžืื•ื ื™ื‘ืจืกื™ื˜ืช ืคื ืกื™ืœื‘ื ื™ื”,
04:32
we designed experiments in order to validate our system.
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ืขื™ืฆื‘ื ื• ืžื—ืงืจื™ื ื›ื“ื™ ืœืชืงืฃ ืืช ื”ืžืขืจื›ืช ืฉืœื ื•.
04:35
And we've since received grant funding from the National Science Foundation
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ื•ืžืื– ืงื™ื‘ืœื ื• ืžื™ืžื•ืŸ ืข"ื™ "ื”ืงืจืŸ ื”ืœืื•ืžื™ืช ืœืžื“ืข"
04:39
and the National Institute of Health
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ื•"ื”ืžื›ื•ื ื™ื ื”ืœืื•ืžื™ื™ื ืœื‘ืจื™ืื•ืช"
04:41
to develop this deep-sleep stimulating technology.
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ื›ื“ื™ ืœืคืชื— ืืช ื”ื˜ื›ื ื•ืœื•ื’ื™ื” ืžืงื“ืžืช ื”ืฉื™ื ื” ื”ืขืžื•ืงื” ื”ื–ื•.
04:45
Here's how it works.
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ื›ืš ื–ื” ืขื•ื‘ื“.
04:47
People came into the lab
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ืื ืฉื™ื ื”ื’ื™ืขื• ืœืžืขื‘ื“ื”
04:48
and we hooked them up to a number of devices,
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ื•ื—ื™ื‘ืจื ื• ืื•ืชื ืœืžืกืคืจ ืžื›ืฉื™ืจื™ื,
04:50
two of which I have on right here --
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ืฉื ื™ื™ื ืžื”ื ื™ืฉ ืœื™ ื›ืืŸ --
04:52
not a fashion statement.
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ืœื ื”ืฆื”ืจืช ืื•ืคื ื”.
04:53
(Laughter)
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(ืฆื—ื•ืง)
04:56
When we detected that people were in deep sleep,
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ื›ืืฉืจ ืื‘ื—ื ื• ืฉืื ืฉื™ื ื‘ืฉื™ื ื” ืขืžื•ืงื”,
04:59
we played the deep-sleep stimulating sounds
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ื”ืฉืžืขื ื• ืืช ื”ืฆืœื™ืœื™ื ื”ืžื’ืจื™ื ืฉื™ื ื” ืขืžื•ืงื”
05:01
that were shown to make them have deeper sleep.
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ืฉื”ื•ื›ื—ื• ื›ื’ื•ืจืžื™ื ืœืฉื™ื ื” ืขืžื•ืงื”.
05:04
I'm going to demo this sound for you right now.
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ืืฉืžื™ืข ืืช ื”ืฆืœื™ืœื™ื ื”ืืœื• ื‘ืฉื‘ื™ืœื›ื ืขื›ืฉื™ื•.
05:08
(Repeating sound waves)
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(ืฆืœื™ืœื™ื ืจืคื˜ื˜ื™ื‘ื™ื™ื)
05:16
Pretty weird, right?
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ืžืฉื•ื ื” ืžืขื˜, ืœื?
05:17
(Laughter)
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(ืฆื—ื•ืง)
05:19
So that sound is actually at the same burst frequency as your brain waves
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ื”ืฆืœื™ืœื™ื ื”ืืœื• ื–ื”ื™ื ื‘ืชื“ื™ืจื•ืชื ืœื’ืœื™ ื”ืžื— ืฉืœื›ื
05:25
when your brain is in deep sleep.
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ื›ืืฉืจ ื”ืžื— ืฉืœื›ื ื‘ืฉื™ื ื” ืขืžื•ืงื”.
05:27
That sound pattern actually primes your mind
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ื“ืคื•ืก ื”ืฆืœื™ืœื™ื ื”ื–ื” ืžืคืขื™ืœ ื‘ืžื— ืฉืœื›ื ืืช ื”ื™ื›ื•ืœืช
05:30
to have more of these regenerative delta waves.
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ืœื™ื™ืฆืจ ืขื•ื“ ืžื’ืœื™ ื”ื“ืœืชื ื”ืฉื™ืงื•ืžื™ื™ื ื”ืืœื•.
05:34
When we asked participants the next day about the sounds,
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ื›ืฉืฉืืœื ื• ืืช ื”ืžืฉืชืชืคื™ื ื‘ื™ื•ื ืฉืœืžื—ืจืช ื‘ื“ื‘ืจ ื”ืฆืœื™ืœื™ื,
05:37
they were completely unaware that we played the sounds,
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ื”ื ื”ื™ื• ืœื ืžื•ื“ืขื™ื ืœื—ืœื•ื˜ื™ืŸ ืฉื”ืฉืžืขื ื• ืื•ืชื.
05:39
yet their brains responded with more of these delta waves.
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ื•ืขื“ื™ื™ืŸ ืžื•ื—ื ื”ื’ื™ื‘ ื‘ื™ืฆื™ืจืช ื™ื•ืชืจ ื’ืœื™ ื“ืœืชื.
05:44
Here's an image of someone's brain waves from the study that we conducted.
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ื”ื ื” ืชืžื•ื ื” ืฉืœ ื’ืœื™ ื”ืžื— ืฉืœ ืžืฉืชืชืฃ ื‘ืžื—ืงืจ ืฉืขืจื›ื ื•.
05:48
See the bottom panel?
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ืจื•ืื™ื ืืช ื”ืคืื ืœ ื”ืชื—ืชื•ืŸ?
05:49
This shows the sound being played at that burst frequency.
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ื”ื•ื ืžืฆื™ื’ ืืช ื”ืฆืœื™ืœ ืฉื”ื•ืฉืžืข ื‘ืชื“ื™ืจื•ืช ื”ื–ื•.
05:53
Now look at the brain waves in the upper part of the graph.
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ืขื›ืฉื™ื• ืชืกืชื›ืœื• ืขืœ ื’ืœื™ ื”ืžื— ื‘ื—ืœืง ื”ืขืœื™ื•ืŸ ืฉืœ ื”ื’ืจืฃ.
05:56
You can see from the graph
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ื ื™ืชืŸ ืœืœืžื•ื“ ืžื”ื’ืจืฃ
05:58
that the sound is actually producing more of these regenerative delta waves.
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ืฉื”ืฆืœื™ืœ ืžืขื•ื“ื“ ื™ืฆื™ืจืช ื’ืœื™ ื“ืœืชื ืฉื™ืงื•ืžื™ื™ื ื ื•ืกืคื™ื.
06:04
We learned that we could accurately track sleep
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ืœืžื“ื ื• ืฉื ื•ื›ืœ ืœืขืงื•ื‘ ื‘ืื•ืคืŸ ืžื“ื•ื™ืง ืื—ืจื™ ืฉืœื‘ื™ ื”ืฉื™ื ื”
06:06
without hooking people up to electrodes
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ื‘ืœื™ ืœื—ื‘ืจ ืื ืฉื™ื ืœืืœืงื˜ืจื•ื“ื•ืช
06:09
and make people sleep deeper.
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ื•ืœื’ืจื•ื ืœื”ื ืœื™ืฉื•ืŸ ืขืžื•ืง ื™ื•ืชืจ.
06:12
We're continuing to develop
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ืื ื• ืžืžืฉื™ื›ื™ื ืœืคืชื—
06:14
the right sound environment and sleep habitat
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ืืช ืกื‘ื™ื‘ืช ื”ืฆืœื™ืœื™ื ื•ื”ืฉื™ื ื” ื”ื ื›ื•ื ื”
06:17
to improve people's sleep health.
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ื›ื“ื™ ืœืฉืคืจ ืืช ื‘ืจื™ืื•ืช ื”ืฉื™ื ื” ืฉืœ ื‘ื ื™ ื”ืื“ื.
06:20
Our sleep isn't as regenerative as it could be,
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ืฉื ืชื™ื ื• ืื™ื ื ื” ืฉื™ืงื•ืžื™ืช ื›ืคื™ ืฉื™ื›ื•ืœื” ืœื”ื™ื•ืช,
06:24
but maybe one day soon,
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ืื•ืœื ื™ื™ืชื›ืŸ ืฉื‘ืงืจื•ื‘,
06:26
we could wear a small device
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ื ื•ื›ืœ ืœืขื ื•ื“ ืžื›ืฉื™ืจ ืงื˜ืŸ
06:28
and get more out of our sleep.
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ื•ืœืงื‘ืœ ื™ื•ืชืจ ืžืžื ื”.
06:31
Thank you.
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ืชื•ื“ื” ืœื›ื.
06:32
(Applause)
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(ืžื—ื™ืื•ืช ื›ืคื™ื™ื)
ื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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