"We still don't know exactly what makes labor start. We know all about the mechanics and physiology, but we don't know what ...

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

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

Drinking alcohol before bed raises blood alcohol content, which disrupts rapid eye movement, or REM, sleep, a critical phase of the sleep cycle responsible for cognitive functions such as memory ...

Sleep is known to contribute to the healthy functioning of the brain and the consolidation of memories. Past psychology ...

Although the mechanism of problem-solving in sleep is uncertain, theories such as memory reactivation and reorganization ...

Jan. 9, 2025 — AI-powered algorithm can analyze video recordings of clinical sleep tests and more accurately diagnose REM sleep behavior ... How Deep Sleep Clears a Mouse's Mind, Literally Jan ...

There are different types of sleep, including light sleep, deep sleep and REM sleep, and if you’re not cycling through them properly, you might wake up feeling just as tired as when you went to bed.