結果 : why do some people not need as much sleep
4:39

Why some people can thrive on less sleep – BBC REEL

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Doctor Explains Why You DON’T Need 8 Hours Sleep!

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Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED

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0:36

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1:58

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8:22

Why Do We Have To Sleep?

Be Smart
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5:51

How lack of sleep affects health and tips for a good night's rest

CBS Mornings
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3:13

How Some People Can Sleep Through Anything

Seeker
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6:38

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2:45

What happens when we sleep?

The Economist
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3:01

How to Sleep Less and Get More Out of Your Day- Thomas DeLauer

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7:04

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0:23

😴 5 Reasons Why You Can’t Sleep! #sleeping #sleep #insomnia #health

Health With Cory
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