Researchers trace how different sleep stages may fine-tune what we remember, trading specifics for more general knowledge.

You did it! You finally won the lottery, and you're making plans to spend all that cash ... but then you're startled awake by your alarm clock. It was just a dream (sigh). Whether or not you remember ...

Your nightly sleep cycle plays a key role in the quality of your sleep. Here's what happens in each stage and why it matters ...

REM sleep is a stage of sleep when your heart rate increases, your blood pressure elevates, and your brain processes emotions ...

The Two Pillars of Recovery If you’ve ever wondered whether deep sleep or REM sleep is “more important,” think of it like comparing cardio to weight training.

Neuroscientists probing the boundary between sleep and awareness are finding many types of liminal states, which help explain ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

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 ...

Whether it's hormones or family and societal pressures, many women feel they need more than eight hours' sleep. Turns out ...

In order to understand deep sleep, you must first acknowledge the phases of the sleep cycle, as well as the stages of sleep. According to Sleepless in NOLA sleep consultant Nilong Vyas, MD, medical ...

Are you bored of being told that you need to work on your core? Well, you do. But here’s the good news. The best exercise regime involves lying down in a dark room, pulling a blanket over your torso, ...