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

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.

Medically reviewed by Sanja Jelic, MD As we sleep, our brain moves through four stages and two phases: non-rapid eye movement ...

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

Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the ...

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

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

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

Your dreams could be early signs of burnout or cognitive overload. Learn the patterns that reveal your brain is crying out ...

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

A link has been found between neuroactivity during sleep and brain atrophy in areas vulnerable to the degenerative disease.

Stage 3: This is the deepest stage of sleep. Heart rate, breathing, and brain waves become more regular. Stage 3 is also ...