With songs and soundtracks available for nearly every human activity, it was just a matter of time before the market began booming for the second-most sedentary thing that people do: sleep. Sure ...

Are you waking up in a puddle of sweat — if you can sleep at all? That's the grim reality for millions of people around the globe suffering through severe, unbearable heat waves. July is the hottest ...

Seeking a sleep solution that doesn't involve supplements? Personalized neurostimulation from the comfort of your bed is now an option. Aly Lopez Former Writer I Aly Lopez was a writer on the sleep ...

A new study has uncovered the mechanism by which the brain waves produced during deep sleep can predict blood glucose control. The discovery not only highlights the importance of sleep in managing ...

Each morning, your brain embarks on a remarkable series of events: it transitions from being asleep, potentially in an alternate reality, to waking up. Within a short time, you regain waking ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Loss of slow-wave sleep as you age may ...

During sleep, the brain cleans itself, turning up the flow of cerebrospinal fluid through the gray matter parenchyma to wash away waste. What powers this flow? In the February 28 Nature online, ...

Slow waves that usually only occur in the brain during sleep are also present during wakefulness in people with epilepsy and may protect against increased brain excitability associated with the ...

Researchers have uncovered a potential mechanism in humans that explains how and why deep-sleep brain waves at night are able to regulate the body's sensitivity to insulin, which in turn improves ...