and how did it evolve in the first place?

Why Do We Have to Sleep Be Smart

Premiered September 28, 2015
Why Do We Have to Sleep

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.

About the Program

Be Smart

Join Joe Hanson as he explores curiosity and illuminates the science behind… well, everything.

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