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TEDTalks Russell Foster - Why do we sleep?

Russell Foster is a circadian neuroscientist: He studies the sleep cycles of the brain. And he asks: What do we know about sleep? Not a lot, it turns out, for something we do with one-third of our lives. In this talk, Foster shares three popular theories about why we sleep, busts some myths about how much sleep we need at different ages - and hints at some bold new uses of sleep as a predictor of mental health.

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  • "Why do we sleep?"@en
  • "Russell Foster"@en

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  • "Russell Foster is a circadian neuroscientist: He studies the sleep cycles of the brain. And he asks: What do we know about sleep? Not a lot, it turns out, for something we do with one-third of our lives. In this talk, Foster shares three popular theories about why we sleep, busts some myths about how much sleep we need at different ages - and hints at some bold new uses of sleep as a predictor of mental health."@en

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  • "Internet videos"@en
  • "Educational films"@en

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  • "TEDTalks Russell Foster - Why do we sleep?"@en