REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

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 ...

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 ...

Rapid eye movement (REM) sleep is a stage of sleep. With a lack of REM sleep, symptoms emerge that can affect your health. It can lead to fatigue, irritability, changes in mood and memory, and issues ...

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

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 ...

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting ...

A good sleep is essential for your brain health. Consistent lack of sleep can damage memory, concentration, and even increase ...

Most Fitbits track your sleep automatically with a combination of movement and heart-rate monitoring. You can also check your sleep stats later.

A rotten night's rest makes anyone moody. For kids, sleep problems can be a more serious precursor to anxiety and depression. As a researcher and clinician who helps adolescents struggling with these ...

Taking longer to enter the dream phase can interfere with the consolidation of memories and upset the regulation of emotions, researchers say. Delayed REM sleep may be a potential indication of early ...

There are tell-tale signs when you don’t get enough REM sleep. It’s the fourth stage of sleep and it’s crucial for processing ...