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.

As part of a full night’s rest, we cycle through four stages of sleep several times. This includes three stages of non-REM sleep and one stage of REM (dream) sleep. Each cycle takes around 90 to ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

However, some research suggests that poor sleep could raise your risk of Alzheimer’s. A study published in November found ...

A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...

From sleep-scoring technology to innovative supplements designed to enhance rest, these modern solutions are transforming the way we sleep ...

Taking longer to enter the dream phase can disrupt the ability to consolidate memories and interfere with emotion regulation.

Rapid eye movement (REM) sleep is a stage in the sleep cycle when vivid dreaming occurs. REM sleep helps with information processing and consolidation. REM latency (REML) is the amount of time it ...

Deep sleep is often confused with REM sleep, but the two are actually different. Deep sleep is the part of your sleep cycle in which your body recovers from the day. During deep sleep, your body ...

Medically reviewed by Sanja Jelic, MD A multiple sleep latency test (MSLT), also known as a daytime nap opportunity study, is ...

Taking longer to get to deep sleep or REM sleep can disrupt memory consolidation and emotional processing, affecting overall ...