結果 : does it really matter when you sleep
2:55

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

TED
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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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2:45

What happens when we sleep?

The Economist
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14:06

Sleep Experts Debunk 15 Sleep Myths

Insider Science
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19:19

Sleep Is Your Superpower | Matt Walker | TED

TED
13,860,305 回視聴 - 5 年前

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0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
115,712 回視聴 - 11 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
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23:41

Natural Ways to Achieve Hormonal Balance - Naturopathic Guide for Women

The Goddess Wellness
417 回視聴 - 19 時間前
1:54

How Sleep Affects Your Brain

Dana Foundation
337,016 回視聴 - 4 年前
6:38

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

TED
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6:25

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

Better Than Yesterday
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5:54

How sleep works: The reasons why we can't live without it

Global News
190,470 回視聴 - 6 年前
1:44:58

Why Sleep Matters

Harvard Medical School
1,724,564 回視聴 - 5 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
765,208 回視聴 - 7 年前
5:51

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

CBS Mornings
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5:42

Sleep Is The Best Muscle Building "Drug"?

Renaissance Periodization
362,445 回視聴 - 1 年前
1:00:42

Why sleep matters now more than ever | Matt Walker

TED
140,031 回視聴 - 4 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,508,278 回視聴 - 6 年前
1:20

Does it really matter if you sleep on your back when pregnant?

IntermountainParents
41,030 回視聴 - 11 年前
0:52

Sleep Paralysis Is Terrifying & Preventable

Doctor Mike
4,139,988 回視聴 - 3 年前