Is your mattress wreaking havoc on your sleep patterns - and your training, too?
A new study examined the effects of group exercise on the hormones that control sleep.
A new study provides insight into why people are able to wake up at the crack of dawn and actually get a good workout.
For some, going to bed earlier is easier said than done. What do you do if sleep escapes you on a regular basis? Here are tips for those who are struggling to find a natural way to get more shut-eye.
We know sleep is important for us, but do you know why? New research examines the amazing antioxidant effects of melatonin. It's so powerful it can combat deadly cancer drugs.