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

659,584 回視聴 - 4 年前

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

3,021,150 回視聴 - 2 年前

How Much Sleep Do You Actually Need?

11,498,355 回視聴 - 10 年前

What happens when we sleep?

10,306,661 回視聴 - 5 年前

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

2,807,032 回視聴 - 5 年前

Should you get 8 hours of sleep? | Andrew Huberman and Lex Fridman

139,859 回視聴 - 3 年前

These Animals NEVER Sleep! 😱 You Won’t Believe What Happens! #usa #facts #fascinatingwildlife

897 回視聴 - 1 日前

How Many Hours Do You Sleep? - Fan Questions | StarTalk

National Geographic

59,436 回視聴 - 9 年前

6 tips for better sleep | Sleeping with Science, a TED series

2,191,534 回視聴 - 4 年前

REM Sleep - How Much Sleep Do You Need

Doctor Mike Hansen

153,323 回視聴 - 5 年前

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

2,070,579 回視聴 - 6 年前

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

The Yoga Institute

240,901 回視聴 - 7 年前

A walk through the stages of sleep | Sleeping with Science, a TED series

641,122 回視聴 - 4 年前

Sleep Is Your Superpower | Matt Walker | TED

13,656,312 回視聴 - 5 年前

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

Better Than Yesterday

394,208 回視聴 - 5 年前

How Important is Sleep for Building Muscle?

3,619,294 回視聴 - 8 年前

Sleep: Why We Need It and What Happens Without It

2,244,033 回視聴 - 11 年前

What would happen if you didn’t sleep? - Claudia Aguirre

14,251,760 回視聴 - 9 年前