We ask an expert why REM sleep is so important, what happens if we don't get enough of it and how to get more REM sleep.

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 your daily experiences and banking shorter and longer-term memories.

Researchers have discovered that positive emotions enhance perceptual memories during sleep, particularly in the non-REM stage.

Waking up tired despite getting enough sleep? Only specific sleep phases grant restorative rest, and you might be missing out ...

New research on ‘slow-wave sleep’ may have implications for others battling insomnia, including people with anxiety and ...

There is no definitive explanation for how a dream neurologically transitions from being ordinary to becoming lucid or vivid, ...

The research found a link between taking longer to reach the rapid eye movement (REM) stage of sleep and Alzheimer’s disease, which is the most prevalent form of dementia. This progressive ...

Disturbed REM sleep can also lead to impairments in the consolidation of memories, cognitive function and how you regulate your emotions. It's worth noting that most research only focuses on the ...

In the late 1800s scientists began to interrogate the neurological basis of dreams. That changed in Sigmund Freud’s time but ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...