結果 : why we need sleep at night
3:33

Why Do We Need Sleep?

SciShow Kids
853,847 回視聴 - 7 年前
1:54

How Sleep Affects Your Brain

Dana Foundation
289,725 回視聴 - 3 年前
2:45

What happens when we sleep?

The Economist
10,257,077 回視聴 - 5 年前

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8:22

Why Do We Have To Sleep?

Be Smart
3,095,674 回視聴 - 8 年前
9:25

Why Do I Have to Sleep at Night?: Ask the StoryBots 💤 Bedtime Stories with Netflix Jr

Netflix Jr.
684,646 回視聴 - 2 年前

Rain Sounds For Sleeping - 99% Instantly Fall Asleep With Rain And Thunder Sound At Night

Rain Sound Natural
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5:54

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

Global News
184,028 回視聴 - 5 年前
6:38

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

TED
2,041,989 回視聴 - 6 年前
41:21

Shamail Tirmidhi Part 21: Narrations about story-telling at night and his blessed sleep

Quwwatul Islam Masjid
101 回視聴 - 1 時間前
1:53

Respiration - Why is it not good to sleep under a tree at night? | #aumsum #kids #science

It's AumSum Time
1,590,867 回視聴 - 7 年前
8:00:32

Quiet Night 💜 Soul Soothing Sleep Music 🎵 Fall Into Sleep Immediately

Personal Power - Sleep Serenity & Meditation
92 回視聴 - 59 分前
2:05:41

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

The Diary Of A CEO
4,390,983 回視聴 - 1 年前
19:19

Sleep Is Your Superpower | Matt Walker | TED

TED
13,256,701 回視聴 - 5 年前
2:22

How Smartphones Affect Your Sleep

Insider Science
1,792,696 回視聴 - 9 年前
9:38

Insomnia: why can't I sleep?

The Guardian
556,751 回視聴 - 5 年前
3:17

The Chicks - Sleep at Night (Official Video)

The Chicks
2,503,089 回視聴 - 4 年前
5:21

Sleep | How to Sleep Fast at Night

Nurse Sarah Jeffries
936,441 回視聴 - 2 年前
10:15

The Right Position to Sleep Peacefully at Night | Dr. Hansaji Yogendra

The Yoga Institute
1,847,408 回視聴 - 3 年前
2:28

Cat Burns - sleep at night (lyric video)

Cat Burns
1,219,542 回視聴 - 1 年前
6:20

Why Humans Are Supposed to Sleep in Two 4-Hour Phases

Half as Interesting
2,618,153 回視聴 - 3 年前