結果 : why do i keep needing to sleep
1:01

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

WCNC
167,126 回視聴 - 5 年前
2:18

Are naps actually good for us? | Sleeping with Science

TED
1,274,979 回視聴 - 3 年前
3:54

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

TED
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5:12

What causes insomnia? - Dan Kwartler

TED-Ed
6,374,765 回視聴 - 7 年前
2:55

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

TED
711,418 回視聴 - 5 年前

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0:28

How to Clear Your Mind So You Can Sleep! Dr. Mandell

motivationaldoc
423,861 回視聴 - 3 年前
2:45

What happens when we sleep?

The Economist
10,559,685 回視聴 - 6 年前
4:35

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

TED-Ed
14,587,842 回視聴 - 9 年前

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0:52

😴 Keep snoring at night?

Dr Bhatia's Cochlea Advanced Surgical Centre
758 回視聴 - 17 時間前
7:05

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

Dr. Tracey Marks
127,992 回視聴 - 6 年前
8:37

Sleep: Why We Need It and What Happens Without It

SciShow
2,255,027 回視聴 - 11 年前
1:58

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

Dr. Eric Berg DC
79,860 回視聴 - 8 年前
2:18

How to Stop Oversleeping | wikiHow Asks an Expert Sleep Doctor

wikiHow
151,711 回視聴 - 5 年前
1:59

How to deal with your insomnia — and finally get to sleep | Sleeping with Science

TED
469,609 回視聴 - 3 年前
0:52

Sleep Paralysis Is Terrifying & Preventable

Doctor Mike
4,792,664 回視聴 - 4 年前
1:44:58

Why Sleep Matters

Harvard Medical School
1,739,764 回視聴 - 6 年前
0:39

Try This and Fall Asleep Super Fast! Dr. Mandell

motivationaldoc
8,858,827 回視聴 - 3 年前
6:00

What Causes Sleep Paralysis? | Importance of Sleeping Enough | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
1,733,456 回視聴 - 3 年前
5:47

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

Peekaboo Kidz
3,158,459 回視聴 - 6 年前
0:27

How to Fix Your Sleep Schedule

Gohar Khan
3,338,561 回視聴 - 3 年前