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Why Do We Have to Sleep

Season 3 Episode 48 | 7m 54s

and how did it evolve in the first place?

Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here’s a look at how sleep works, why we’re not getting enough sleep, what happens if you DON’T sleep, and an idea about where sleep came from in the first place.

09/28/2015 | Rating NR

FromDigital Studios

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Why Do We Have to Sleep

Season 3 Episode 48 | 7m 54s

Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here’s a look at how sleep works, why we’re not getting enough sleep, what happens if you DON’T sleep, and an idea about where sleep came from in the first place.

09/28/2015 | Rating NR

FromDigital Studios

Problems playing video?   | Closed Captioning Feedback

Report a Problem

Before you submit an error, please consult our Video Help page.

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