You do it everyday, but you'll be surprised at what you don't actually know about it. In today's instalment of Top 5 Facts, we count down the 5 coolest things that you probably didn't know about sleep.
Sleep, Top 5, Top 5 Facts, Science, The Simpsons, Tryptophan Slow Jam, Turkey, Daylight Savings statistics, Daylight Savings accidents, Zoolander, Health, True Survivor