結果 : why do we sleep for so long
2:55

How much sleep do you really need? | Sleeping with Science, a TED series

TED
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2:45

What happens when we sleep?

The Economist
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0:49

What Can Cause Me to Sleep Too Much?

West Valley Medical Center
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12:36

How Oversleeping Destroys Your Body

Sciencerely
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3:54

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

TED
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19:19

Sleep Is Your Superpower | Matt Walker | TED

TED
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8:22

Why Do We Have To Sleep?

Be Smart
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1:58

Why Do I Feel So Sleepy Despite Having Enough Sleep? – Dr. Berg

Dr. Eric Berg DC
70,486 回視聴 - 7 年前

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49:25

Bedtime Stories for Grown Ups, Sleep Story with the Sound of a Cozy Fire, "Our Runaway Kite"

The Decompression Zone - Stories to Relax & Sleep
606 回視聴 - 1 日前
2:27

Can You Get Too Much Sleep?

SciShow
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3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,528,540 回視聴 - 10 年前

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6:25

Can You Sleep Too Much? (The Answer Might Surprise You)

Better Than Yesterday
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1:52

I Sleep Too Much What Can I Do? | This Morning

This Morning
20,116 回視聴 - 6 年前
1:01

Why you're still tired after getting 8 hours of sleep

WCNC
151,904 回視聴 - 4 年前
7:05

Do Depressed People Need More Sleep? How To Do Wake Therapy

Dr. Tracey Marks
121,529 回視聴 - 5 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
122,427 回視聴 - 11 年前
4:35

What would happen if you didn’t sleep? - Claudia Aguirre

TED-Ed
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6:38

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

TED
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5:47

Why Do We Sleep? The Dr. Binocs Show | Best Learning Videos For Kids | Peekaboo Kidz

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9:38

Insomnia: why can't I sleep?

The Guardian
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