Sleep: Why We Need It and What Happens Without It

What happens when you don’t sleep? And why do we need to do it anyways? Hank explains the science of sleep: the cause, the benefits, and who holds the record for going without it!

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Thumbnail credit: Mark Sebastian

Sources for this episode:
http://healthysleep.med.harvard.edu/healthy/science/what/characteristics
http://healthysleep.med.harvard.edu/healthy/matters/benefits-of-sleep/why-do-we-sleep
http://faculty.washington.edu/chudler/chasleep.html
http://www.sleepfoundation.org/article/how-sleep-works/animals-sleep-there-human-connection
http://www.bbc.co.uk/science/humanbody/sleep/articles/whatissleep.shtml
http://healthysleep.med.harvard.edu/image/200
http://www.nhahealth.com/science.htm

Is the Purpose of Sleep to Let Our Brains “Defragment,” Like a Hard Drive?


http://phys.org/news/2011-02-why-do-we-sleep.html
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3385863/
http://www.sciencenews.org/sn_arc97/5_24_97/fob2.htm
http://harvardmagazine.com/2005/07/deep-into-sleep.html
http://health.howstuffworks.com/mental-health/sleep/basics/why-do-we-sleep.htm
http://www.scientificamerican.com/article.cfm?id=how-long-can-humans-stay
http://www.indiana.edu/~p1013447/dictionary/sleepdep.htm
http://www.sciencenews.org/view/generic/id/348604/description/News_in_Brief_Sleep_loss_affects_gene_activity
http://www.sciencedaily.com/releases/2009/12/091215160900.htm
http://science.howstuffworks.com/life/inside-the-mind/human-brain/sleep1.htm
http://www.pbs.org/wnet/brain/episode3/sleep/
http://ngm.nationalgeographic.com/2010/05/sleep/max-text
http://www.sleepfoundation.org/article/sleep-topics/melatonin-and-sleep
http://discovermagazine.com/2006/oct/why-we-sleep#.UeLzwdLvsuc
http://harvardmagazine.com/2005/07/deep-into-sleep.html

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