However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...

A new study from The Australian National University (ANU) suggests that poor sleep may contribute to brain shrinkage and ...

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

The research findings primarily focus on individuals with a sleep disorder but may have broader implications. A recent study ...

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

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

Discover what causes sleep talking, whether your nighttime chatter reveals hidden secrets, and how to reduce these nocturnal conversations with expert tips.

Most people spend a third of their lives sleeping, but you may need more or less than eight hours a night. The amount of ...

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

For people with a certain sleep disorder, a simple blood test could help predict the development of dementia years before symptoms appear, a new study indicates. Idiopathic REM sleep behavior disorder ...