Researchers have found that non-REM sleep actually helps strengthen memories, while REM sleep cleans them up and prevents ...

Sleep and brain experts respond to new findings on the association between REM sleep and Alzheimer's disease, recommending ...

A new study suggested that not getting enough REM sleep can be an early warning sign of Alzheimer's disease. Here's what a ...

The culprit for early morning waking is usually insomnia, age, anxiety, menopause or diet, but as Charlotte Cripps lay awake ...

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

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 ...

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.

Changes in sleep metrics detected with wearable technology could serve as an inflammation marker and potentially predict IBD ...

REM sleep is when we experience much of our dreaming, which most often happens in the last portion of our sleep cycles. During the REM sleep stage, there's variability in heart rate and blood ...

You usually hit REM sleep about 90 minutes after falling asleep, and each REM cycle will get a little longer throughout the night. In the beginning, they last around 10 minutes. The final REM ...

While a full sleep cycle is roughly 90 minutes long and is comprised of all four sleep stages (N1, N2, deep sleep, and REM sleep), the amount of time you spend in each stage changes throughout the ...