Your brain can slip into dream-filled rapid eye movement, or REM sleep, in a matter of minutes, but for some people that journey takes much longer. And new research suggests this delay might be more ...

During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories. Your body ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Hot nights are reducing sleep across many communities. New research shows how rising heat disrupts sleep and why some groups ...

You may be able to increase the amount of REM sleep you get by following a sleep schedule daily, getting regular exercise during the day, and meditating, among other steps. Insomnia, undiagnosed sleep ...

Please provide your email address to receive an email when new articles are posted on . Prolonged REM sleep latency was associated with three key Alzheimer’s-specific pathological changes. REM sleep ...

It sounds like the start of a horror film: a shadowy figure at the end of your bed, a faceless presence sitting on your chest ...

There might have been a secret reason Albert Einstein could make a decision as scary as the one he made in 1939, when he went against his personal pacifist convictions and encouraged President ...

A new study highlights how important uninterrupted sleep is to recovery after a traumatic brain injury, finding that ...