Researchers at Harvard Medical School investigated how a daily yoga practice might affect sleep for people with insomnia and found broad improvements to measurements of sleep quality and quantity.

You may know that insomnia puts you at greater risk for serious health problems, including obesity, cardiovascular disease, and diabetes. But did you know that insomnia may also increase your risk of injury?

Real Age has just published its ranking of the best and worst cities for sleep in the U.S., part of its "2012 Oldest and Youngest Cities" report.

There's some important news for millions of people -- most of them women -- who suffer from the syndrome fibromyalgia: A new study suggests that sleep deprivation is associated with an increased risk of developing fibromyalgia.