Our natural sleep cycle, Jessa Gamble

In today s world, balancing school, work, kids and more, most of us can only hope for the recommended eight hours of sleep. Examining the science behind our body s internal clock, Jessa Gamble reveals the surprising and substantial program of rest we should be observing. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world s leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate chang