結果 : what happens when you sleep too much in one day
6:25

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

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How Sleep Affects Your Brain

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How To Survive A Day On No Sleep

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3:58

What Happens to Your Body on Little Sleep?

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6:38

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

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Too much REM sleep: why do depressed people wake up exhausted? | Human Givens

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How To Fix Your Sleep Schedule - Reset Your Sleep Pattern (animated)

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Depression and Sleep

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