These tweaks are simple ...

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 ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...

Ever notice how everything seems harder after a night of tossing and turning? Your mood tanks, your energy disappears, and weirdly enough, your jeans might feel tighter too. That’s not your ...

Sleeping for 7 to 9 hours at night isn't the only way to catch some z's. Here are four alternative sleep cycles -- and they're pretty obscure. Annie Miller Medical Reviewer Annie Miller is a licensed ...

REM may be the most talked-about part of the sleep cycle, but getting enough of it can still be an elusive quest. You might know by now that it’s important, but maybe you don’t know exactly why or how ...

There's a link between your sleep cycle, gut health and overall vitality. Spending time on smartphones at night can delay ...

Scientists zeroed in on a lesser-known part of the brain that helps control both sleep cycles and memory.

A new study finds that a pink full moon may disrupt sleep and affect mood, with people experiencing reduced deep sleep.

Energy doesn’t just disappear for no reason. When focus drops, sleep turns restless, and motivation feels like it packed up and left, something underneath the surface usually drives the change.

When a member of the hotel team showed me around my sleep-optimized room at Switzerland's Chenot Palace Weggis, I got the sense I would not sleep very well at all. “You set the alarm for the morning ...