Why do we sleep

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Why do we sleep? | Russell Foster

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What happens when we sleep?

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Why Do We Have To Sleep?

0:54:52

Why We Sleep: Science of Sleep & Dreams | Matthew Walker | Talks at Google

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Sleep Is Your Superpower | Matt Walker | TED

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Why Do We Sleep? - Instant Egghead #55

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

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

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In Old Age, How To Sleep Less and Sleep Better

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Matthew Walker Busts Sleep Myths | Why We Sleep

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

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Science Can't Explain Why We Sleep

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Why Do We Sleep?

0:05:47

SLEEPWALKING | Why Do We Sleepwalk? | The Dr Binocs Show | Peekaboo Kidz

0:05:47

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

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How Much Sleep Do You Actually Need?

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

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What happens when we sleep?

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Sleep: Why We Need It and What Happens Without It

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What causes insomnia? - Dan Kwartler

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Why do we sleep? (S2) | The Power of Good Health

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The benefits of a good night's sleep - Shai Marcu

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How Sleep Affects Your Brain

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What Happens To Your Body And Brain If You Don't Get Sleep | The Human Body