結果 : what is the sleep you get at the beginning of the night called
2:45

What happens when we sleep?

The Economist
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0:18

What to do when you CAN'T sleep

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Insomnia: why can't I sleep?

The Guardian
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Sleep | How to Sleep Fast at Night

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How people sleep at school 😴📚 #shorts

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Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

TED
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6 tips for better sleep | Sleeping with Science, a TED series

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

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Sleep deprivation test with a spoon - are you sleep deprived?

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0:26

❌ Worst Thing To Do If You Can’t Sleep 😴 #sleep #sleeping #insomnia #insomniac #insomniacure

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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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14 English expressions about SLEEP

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6:20

Why Humans Are Supposed to Sleep in Two 4-Hour Phases

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0:23

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

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What are night shift people supposed to do with sleep?

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0:52

Sleep Paralysis Is Terrifying & Preventable

Doctor Mike
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0:28

What Happens During Sleep Paralysis?

DanOndrey
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2:05:41

The World’s No.1 Sleep Expert: The 6 Sleep Hacks You NEED! Matthew Walker

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0:25

When you can't sleep at night 😴😰💤 #shorts

CypherDen
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0:40

What is the best position to sleep in?

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