What if we didn't need sleep to dream? Well, scientists may have found a way to hack those benefits even when you're awake.

REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

Hallucinogens like DMT, psilocin, and LSD might rewrite the rules of sleep, blurring the line between dreams and reality.

It's no secret that a good night's sleep is key to a healthy brain. However, the full extent of the importance of rest on our ...

Research reveals how specific sleep stages protect brain vulnerable to Alzheimer's, offering hope through simple lifestyle ...

People on TikTok and other social media say they feel more alert when they have had fewer hours of sleep—but sleep scientists ...

Spending lower proportions of time in two deep sleep stages — including REM sleep — may be linked to volume changes in ...

Associations seen between less short wave sleep and rapid eye movement sleep with smaller inferior parietal region volumes.

Deep sleep is the restorative stage of sleep. During this stage the body undergoes tissue repair, the immune system is ...

Delayed REM Sleep Could Be an Early Sign of ... A new study shows how deep sleep may wash away waste buildup in the brain during waking hours, ...

Disrupted SWS (critical for waste clearance) and REM sleep (key for memory) may impair the glymphatic system, hindering the removal of Alzheimer’s-linked beta-amyloid plaques. The study suggests sleep ...