

TED Talks
Jessa Gamble: Our natural sleep cycle is nothing like what we do now
TV-PG
2010 • E32 Jul 1, 2010 15mIn 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.