9 Groundbreaking Discoveries About Sleep

There's a lot about sleep that we don't understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the mystery of sleep. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://rarediseases.info.nih.gov/diseases/6429/fatal-familial-insomnia http://www.nejm.org/doi/full/10.1056/NEJM198610163151605 http://www.nytimes.com/2001/05/06/magazine/3-case-study-fatal-familial-insomnia-location-venice-italy-to-sleep-no-more.html http://www.sciencedirect.com/science/article/pii/016643289500020T Brain activity http://link.springer.com/article/10.1007%2Fs12576-015-0414-3 http://jnnp.bmj.com/content/74/1/9 http://science.sciencemag.org/content/81/2111/597 Brain centers http://link.springer.com/article/10.1007%2Fs12576-015-0414-3 http://psycnet.apa.org/psycinfo/1932-00279-000 http://www.sciencedirect.com/science/article/pii/S0361923006000463 Memory http://www.sciencedirect.com/science/article/pii/S0149763414002474 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5020097/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3768102/ Healing https://www.ncbi.nlm.nih.gov/pubmed/16120095 https://www.ncbi.nlm.nih.gov/pubmed/9456469 http://www.sciencedirect.com/science/article/pii/S0306987711002234?np=y https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1299128/ Pain https://www.uni-bamberg.de/fileadmin/uni/fakultaeten/ppp_professuren/physiologische_psychologie/Publikation/sleepmedicinereviews.pdf https://www.ncbi.nlm.nih.gov/pubmed/25915149 https://www.ncbi.nlm.nih.gov/pubmed/216974 https://www.ncbi.nlm.nih.gov/pubmed/176677 Blue light https://www.scientificamerican.com/article/q-a-why-is-blue-light-before-bedtime-bad-for-sleep/ https://www.ncbi.nlm.nih.gov/pubmed/23509952 http://www.pnas.org/content/112/4/1232 Dishwasher https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3551275/ https://www.ncbi.nlm.nih.gov/pubmed/24199995 Ancestors https://www.ncbi.nlm.nih.gov/pubmed/26654373