Wednesday, 14 August 2013

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.

Russell Foster studies sleep and its role in our lives, 
examining how our perception of light influences our sleep-wake rhythms. Full bio »


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