結果 : should you sleep during the day
2:41

How To Survive A Day On No Sleep

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6:23

Best Time To Sleep - How Not Sleeping in the Right Hour Affects Your Health

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3:54

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

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

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How To Take The Ideal Nap And Avoid Bad Sleep

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2:55

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3:12

Should I SLEEP in The Afternoon ?

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0:41

How many hours of sleep a night do I need?

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16:04

Nap Training Tips: How I Got My Baby to Sleep During The Day | Susan Yara

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448,153 回視聴 - 7 年前

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0:28

How to Improve Your Sleep

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1:54

Best and Worst Times to Sleep

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11:05

Why You're Always Tired - 7 Myths Ruining Your Sleep

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2:05:41

The World’s No.1 Sleep Expert: The 6 Sleep Hacks You NEED! Matthew Walker

The Diary Of A CEO
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9:21

Science Explains How Much Sleep You Need Depending on Your Age

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5,508,404 回視聴 - 6 年前
2:45

What happens when we sleep?

The Economist
10,336,142 回視聴 - 5 年前
13:24

My Evidence-Based Sleep Routine

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1:07:13

Everything You Know About Sleep & Dreaming Is Wrong (Tips And Tricks To Sleep and Dream Better)

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5:57

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8:19

Sleep During the Day, Awake at Night for 30 Days

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1,495,994 回視聴 - 4 年前
1:28

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

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229,852 回視聴 - 10 年前