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 ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images There are tell-tale signs when you don’t get enough REM sleep. It’s the ...

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.

From tart cherry juice to the timing of your last meal, the emerging science of chrono-nutrition reveals how specific foods ...

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: ...

Researchers at the University of Lausanne have identified a novel role for the brain's 'locus coeruleus' in sleep and its disruptions. This brain region facilitates the transition between NREM and REM ...

Sleep scientists have a term for what’s happening: orthosomnia —trouble sleeping caused by the stress of trying too hard to ...

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 ...

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 ...