REM Sleep Behavior Disorder causes more than dream enactment—it’s a powerful clue to neurodegenerative disease risk.

Spending less time in slow wave and REM sleep may accelerate brain atrophy in regions affected early in Alzheimer’s disease, according to new research. The findings support sleep quality as a ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." (Leah Abucayan, ...

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 ...

A flexible smart contact lens can accurately monitor eye pressure and movement-even with closed eyes, helping detect and ...

A newly identified brain circuit in mice may explain why we sleep longer and deeper after being sleep deprived – and lead to ...

Researchers have identified a brain circuit in mice that could explain why humans engage in prolonged and deep sleep after ...

What if you could replay your dreams like a movie, after a good night's sleep? This science-fiction-worthy scenario is about ...

Following deep sleep, REM sleep is the next critical phase of sleep cycles, characterized by more dreaming that’s also extra ...

obstructive sleep apnoea and parasomnias (abnormal sleep behaviours, such as sleepwalking and rapid eye movement sleep behaviour disorder). High ambient temperatures are associated with reduced ...

Sleep helps consolidate information into memory. But not everything we learn gets strengthened. Sleep prioritizes what we ...

Sleep and temperature regulation are very closely related – so the hotter it feels, the worse our sleep tends to be, and this ...