REM sleep behavior disorder is characterized by acting out dreams, which may include shouting, kicking and punching during sleep.

In the quest for a restful night, we often overlook the myriad of sleep disorders that can drastically affect our lives. From ...

"Deep sleep builds your immune system, and REM sleep regulates and fine-tunes it," says Darwall-Smith agrees. During deep ...

For people with a certain sleep disorder, a simple blood test could help predict the development of dementia years before ...

But how do sleep cycles work? To find out, I took part in a polysomnography. This is a gold standard sleep study that helps ...

Researchers at McGill University found that a blood test originally designed for Alzheimer’s can predict dementia risk in ...

Sleep disturbances may accelerate neurodegeneration, but whether they cause or result from disease remains unclear. Improving ...

More people are becoming obsessed with sleep trackers, causing insomnia and making sleep worse, experts say. Here’s how to ...

As health officials continue to issue warnings about the dangers of alcohol, it might be time to ditch the nightly habit.

Sexual activity—whether partnered or solo—improves sleep efficiency and reduces night-time wakefulness, according to a pilot ...

Medical experts reveal the surprising conditions that can lead to death during sleep, from cardiac arrhythmias to sleep apnea ...