Why We 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.



Hat tip brainpickings


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  1. mathdock commented on Oct 7

    That’s a nice video about the subject, and the recommended book may well be worth my time. Thanks!

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