結果 : how many hours of sleep is good for me
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
98,084 回視聴 - 11 年前
2:55

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

TED
645,433 回視聴 - 4 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
753,160 回視聴 - 7 年前
6:38

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

TED
2,047,991 回視聴 - 6 年前
1:58

Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired

Insider Tech
446,332 回視聴 - 7 年前
3:01

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

Thomas DeLauer
243,391 回視聴 - 8 年前
5:09

Yoga Guru - Hansaji | How many hours should you sleep?

The Yoga Institute
236,400 回視聴 - 7 年前
5:51

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

CBS Mornings
262,985 回視聴 - 6 年前
1:38:40

stop overthinking, have a good sleep... (minecraft music & rain ambience)

Station Craft
148 回視聴 - 10 時間前 に配信済み
1:51

I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning

This Morning
51,908 回視聴 - 6 年前
1:01

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

WCNC
137,934 回視聴 - 4 年前
13:24

My Evidence-Based Sleep Routine

Ali Abdaal
1,439,120 回視聴 - 1 年前
10:30

How to Sleep Less & Sleep Better

Sadhguru
4,499,949 回視聴 - 9 年前
1:28

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

SELF
220,776 回視聴 - 10 年前
1:54

How Sleep Affects Your Brain

Dana Foundation
296,358 回視聴 - 3 年前
22:56

What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?

Dr. Sten Ekberg
203,234 回視聴 - 1 年前
6:25

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

Better Than Yesterday
389,646 回視聴 - 5 年前
1:53

Is Exercise Good or Bad for Sleep? Facts Explained By Dr. Berg

Dr. Eric Berg DC
59,729 回視聴 - 6 年前
1:54

Best and Worst Times to Sleep

TechnionSociety
123,522 回視聴 - 13 年前
2:45

What happens when we sleep?

The Economist
10,267,314 回視聴 - 5 年前