Bye bye sleep lab: An engineer is redesigning sleep studies, so they can be done at home without all the cumbersome wires dangling all over your body. Instead, only two wires needed. University of ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. A restless night may leave you feeling tired ...

Share on Pinterest Sleep is possibly the most important factor for longevity, research shows. Image credit: Maria Korneeva/Getty Images Insomnia is a disorder characterized by experiencing difficulty ...