Why Do We Have To Sleep?

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…and how did it evolve in the first place?
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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.

Follow me to The Good Stuff’s sleep playlist: https://youtu.be/RHCcM7LyZdc?list=PLsRLUurFnvvUCysDQrFvGL0nxN6Eha93s

Also check out BrainCraft:
https://youtu.be/yv-XNKK9laE
https://youtu.be/ZPpvS9wDOcA

For more, read:

“Dreamland: Adventures in the Strange Science of Sleep” by David K. Randall http://amzn.to/1MB38dt

"The Universal Pastime: Sleep and Rest Explained" by Dr Richard Horner http://amzn.com/B00NT9O60O

Cool research on melatonin in sea worm larvae: http://www.nytimes.com/2014/10/02/science/the-evolution-of-sleep-700-million-years-of-melatonin.html

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It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.
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Joe Hanson - Creator/Host/Writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen Inc.
Kate Eads - Producer
Andrew Matthews - Editing/Motion Graphics/Animation
Arts & Labor - Motion Graphics
Katie Graham - Camera
John Knudsen - Gaffer

Theme music: “Ouroboros” by Kevin MacLeod

Other music via APM
Stock images from Shutterstock, stock footage from Videoblocks (unless otherwise noted)