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PBS NewsHour | The Power of Sleep: Why Humans Can't Stop Snoozing | PBS

Duration: 10:11
Program: PBS NewsHour #10498
Broadcast Date: Nov. 15, 2012

Sleep deprivation can cause serious health and cognitive problems in humans. In short, it can make us fat, sick and stupid. But why humans do need so much sleep? Science correspondent Miles O'Brien talks to scientists on the cutting edge of sleep research and asks if there's any way humans might evolve into getting by with less.

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Post Date: November 15, 2012