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

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

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

What is known, however, is that dreams appear primarily in the Rapid Eye Movement (REM) stage of sleep and are typically accompanied by high levels of brain activity and some physical movement ...

Well we know that dream sleep, which principally comes from a stage that we call rapid eye movement sleep or REM sleep, dream sleep actually provides at least two benefits for the brain.

The most vivid dreams typically occur during REM sleep, though you can dream during other stages of sleep. Kuras says there are many theories about the function of dreams. "They appear to assist ...

We do not typically dream during stage 4; we may not even be able to feel pain. In Greek mythology the gods Hypnos (sleep) and Thanatos (death) are twin brothers. The Greeks may have been right.

No single theory can fully explain dreams, but we do know that they are closely related to the stages of sleep. There are four stages of sleep: light non-rapid eye movement (REM) sleep stages 1 ...

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

During this stage, your “blood flow, breathing and brain activity increases, and you can have intense dreams as the brain is ...

Vivid dreams happen most often during the rapid eye movement (REM) sleep stage, when the brain is particularly active. Some people, especially women, said they were able to recall their dreams ...

Your body burns calories while you sleep through vital processes like repair and regulation. Learn how to boost your ...