Late-night scrolling isn’t the only thing sabotaging your slumber. New research suggests that a common daily habit may send your brain into overdrive while you sleep — even if you do it hours before ...

Sleep talking happens when a person speaks aloud during their sleep without being aware of it. The words may be clear ...

Caffeine doesn't just make it harder to fall asleep; it changes how the brain behaves during rest. New research shows that caffeine alters brain activity in ways that make sleep look more like ...

It’s been known for millennia that the human body accumulates waste as a result of day-to-day functioning, but it’s now recognized that the awake, active brain also builds up waste that negatively ...

Millions of people rely on fans to stay cool while sleeping, especially during hot summer nights or in homes without air conditioning. While fans provide immediate comfort and cost-effective cooling, ...

EDITOR’S NOTE: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. The health benefits of a good night’s sleep have long been touted by researchers ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. As you fall asleep each night, you can take ...

For a while now, I’ve worn two devices when I go to sleep—an Apple Watch Series 7 on my left wrist, and a WHOOP 5 MG on my right wrist. Every morning, I get three different scores purporting to tell ...