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.

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

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

New research shows that reduced time in slow wave and REM sleep is associated with smaller brain volumes in regions ...

A good night's rest isn't just about waking up refreshed — it plays a critical part in preserving your mental sharpness as ...

Disrupted SWS (critical for waste clearance) and REM sleep (key for memory) may impair the glymphatic system, hindering the ...

Not getting enough of the deeper stages of sleep raises the risk of brain deterioration associated with Alzheimer’s disease, ...

On an Apple Watch, "core sleep" is another name for light sleep, which scientists also call stages N1-N2. It is not a type of ...

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

Can poor sleep raise your risk of Alzheimer’s? A new study links reduced sleep stages to brain shrinkage in areas prone to ...

A new study suggests that insufficient slow-wave and REM sleep may accelerate brain deterioration associated with Alzheimer's ...

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