結果 : how many hours of deep sleep is optimal

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6:38

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

TED
2,000,598 回視聴 - 6 年前
9:41

REM Sleep - How Much Sleep Do You Need

Doctor Mike Hansen
144,383 回視聴 - 4 年前
2:55

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

TED
614,505 回視聴 - 3 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
734,914 回視聴 - 7 年前
1:01

Mayo Clinic Minute: What are the stages of sleep?

Mayo Clinic
107,310 回視聴 - 6 年前
5:09

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

The Yoga Institute
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3:41

Stages of Sleep - non-REM, REM, Sleep Studies

PhysioPathoPharmaco
184,507 回視聴 - 3 年前
5:27

How to Get More REM Sleep

Dr. Eric Berg DC
341,210 回視聴 - 2 年前
3:06:06

Dr. Matt Walker: The Science & Practice of Perfecting Your Sleep

Andrew Huberman
2,817,295 回視聴 - 2 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
76,339 回視聴 - 11 年前
10:28

How to Get More Deep Sleep!

Health Coach Kait
54,253 回視聴 - 2 年前
1:58

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

Insider Tech
436,874 回視聴 - 6 年前
3:01

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

Thomas DeLauer
217,056 回視聴 - 8 年前
1:08

Mayo Clinic Minute: Tips for Better Sleep

Mayo Clinic
201,138 回視聴 - 8 年前
1:59

2-Minute Neuroscience: Stages of Sleep

Neuroscientifically Challenged
427,213 回視聴 - 5 年前
2:18

Are naps actually good for us? | Sleeping with Science

TED
449,431 回視聴 - 2 年前
1:54

Best and Worst Times to Sleep

TechnionSociety
116,209 回視聴 - 13 年前
2:45

What happens when we sleep?

The Economist
10,191,586 回視聴 - 5 年前
0:35

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

Dr Karan
3,128,902 回視聴 - 1 年前
5:51

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

CBS Mornings
247,931 回視聴 - 6 年前