Sleep Cycle

Quiz: Is Your Sleep Pattern Healthy?

beliefnet.com | BeliefNet | Posted 11.03.2009 | Living


People don't often realize how important getting just enough sleep is for a fresh, energetic and healthy life. Find out if your sleeping habits are ai...

Sleep: Theory About Biological Clocks Overturned, Study Says

Medical News Today | Posted 10.12.2009 | Living


University of Michigan mathematicians say they have identified the signal the brain sends to the rest of the body to control biological rhythms, a fin...