Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Is deep sleep better than light sleep, even if it's shorter? Experts break it all down. FG Trade via Getty Images We’ve all been there: Maybe you were frantically packing for a trip and only got a few ...

A good night's sleep does more than just help you feel rested--it might literally clear your mind. A new study shows how deep sleep may wash away waste buildup in the brain during waking hours, an ...

Your chilly bedroom might be the reason you're waking up at 3am, plus expert tips on creating a cozy bedroom all night long.

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...

As little as 1 per cent reduction in deep sleep per year for people over 60 years of age translates into a 27 per cent increased risk of dementia, according to a study which suggests that enhancing or ...

Neuroscientists have discovered a surprising new source of deep-sleep brain waves, shaking up our understanding of the architecture of sleep and how we treat sleep disorders. Our sleep is divided into ...

In today’s fast-paced world, millions struggle with sleep issues, from stress to the overuse of digital devices. As sleep-related problems continue to rise, solutions are more sought after than ever.

"I have to get my deep REM sleep," expresses a common confusion about two very different types of sleep. Deep sleep and rapid eye movement (REM) sleep are not the same; they do not even overlap. They ...