The Science of Sleep: Some Need More Than Others

Check out this post from Deborah Huso on AOL Health. For those of us who always look admiringly at colleagues who seem to be able to breeze through anything regardless of whether they've had three hours of sleep or 10, there may be genetic clues as to why some people require loads of caffeine to power through the workday and others don't. A new study points to the possibility that gene variants...