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 ...

When it comes to rest, people tend to think about it in terms of being awake or asleep. However, understanding your sleep ...

Teenagers who slept less than 7.7 hours in a sleep lab were observed to be almost three times more likely to have elevated blood pressure than well-rested peers.

These half-second bursts, called spindles, indicate that we’ve entered stage 2. Our brains aren’t less active when we sleep, as was long thought, just differently active. Spindles, it’s ...

A new study finds that sleep deprivation in teenagers may significantly increase their risk of high blood pressure, a major ...

Sleep latency: Also known as stage one sleep, this is how long it takes you to fully fall asleep. Contrary to popular belief, it’s not healthy to drop off to sleep immediately — that’s a ...

Increased REM sleep — the stage important for emotional regulation, memory consolidation, brain development and dreaming — may also be a factor. Kilkenny noted that research indicates that ...

Teenagers who have trouble falling or staying asleep and sleep less than their peers may be five times more likely to have ...