Why Do We Sleep? - Instant Egghead #55
We spend nearly a third of our lives asleep, but scientists don't agree on sleep's purpose. Scientific American contributor Joss Fong explains what we know, and don't know, about our nightly slumber.
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More to explore:
A Night's Sleep Cleans Brain of Harmful Toxins (LiveScience)
http://www.livescience.com/40510-slee...
Sleep Is The Brain's Way of Staying in Balance [Video] (Scientific American)
http://www.scientificamerican.com/art...
Is Sleep Essential? (PLoS Biology)
http://www.plosbiology.org/article/in...
Sleep 2009 Interview with Jerome Siegel (The Science Network)
http://thesciencenetwork.org/programs...
Why Does My Brain Sleep? - Matthew P. Walker (GoogleTechTalks)
• Why Does My Brain Sleep?
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Credits:
Written & presented by Joss Fong
Edited by Joss Fong
Produced by Eric R. Olson