結果 : why do i sleep for so long after school
1:01

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

WCNC
149,164 回視聴 - 4 年前
0:28

How people sleep at school 😴📚 #shorts

MaxPreps
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0:28

How to Improve Your Sleep

Gohar Khan
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0:27

How to Fix Your Sleep Schedule

Gohar Khan
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2:41

How To Survive A Day On No Sleep

Seeker
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0:18

What to do when you CAN'T sleep

Sleep Is The Foundation
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3:57

How To Take The Ideal Nap And Avoid Bad Sleep

Insider Tech
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0:35

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

Dr Karan
3,247,641 回視聴 - 1 年前
0:30

What the time you go to sleep says about you… ⏰💯

Michael Storen
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0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
118,448 回視聴 - 11 年前
0:44

The 90 Minute Rule for better Sleep!

Apna College
6,757,389 回視聴 - 2 年前
2:55

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

TED
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4:51

How An Early School Start Is Affecting Teenagers' Sleep

KPBS Public Media
1,614 回視聴 - 9 年前
5:47

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

Peekaboo Kidz
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2:45

What happens when we sleep?

The Economist
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0:55

How to Solve Insomnia #sleep #sleeptips #sleeping #sleepy

Precision Nutrition
708,709 回視聴 - 2 年前
1:28

Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF

SELF
231,296 回視聴 - 10 年前
15:52

How To Fix Your Sleep Schedule - Reset Your Sleep Pattern (animated)

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2,368,539 回視聴 - 6 年前
2:18

How to Stop Oversleeping | wikiHow Asks an Expert Sleep Doctor

wikiHow
137,309 回視聴 - 4 年前
0:51

How to avoid sleep while studying | stay awake while studying | study tips | letstute.

Let'stute
980,921 回視聴 - 2 年前