We've got mugs and posters! Get 'em here: http://dft.ba/-HCTmerch Sleep! It's probably the one single thing we spend the most time doing. Sleeping eight hours a night means that you'd spend literally one third of your life asleep. But most of us are getting less than that, and we probably need more. Sleep is important! It's also the topic of this week's Healthcare Triage. For those of you who want to read more, go here: http://theincidentaleconomist.com/wordpress/?p=61025 John Green -- Executive Producer Stan Muller -- Director, Producer Aaron Carroll -- Writer Mark Olsen -- Graphics http://www.twitter.com/aaronecarroll http://www.twitter.com/crashcoursestan http://www.twitter.com/johngreen http://www.twitter.com/olsenvideo