Russell Foster: Why do we sleep?
TED.com
EducationScience
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About
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.
- Archive
- Internet Archive, in TED Talks
- Licence or status
- CC BY-NC-ND 3.0, as the Internet Archive states it.
- Credit
- TED.com
- Language
- English
- Who can watch
- The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed