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

Sleep deficiency is associated with atrophy of the inferior parietal region of the brain, according to a study published online March 31 in the Journal of Clini ...

HOUSTON — A good night’s sleep is important for both the body and brain. It’s essential to understand the four stages of ...

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

If you're on the fence about the best sleep masks, know that there are two types of sleepers in this world: Those who can ...

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

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

Mar. 11, 2025 — For people with a certain sleep disorder, a simple blood test could help predict the development of dementia years before symptoms appear, a new study indicates. Idiopathic REM ...

From a tiny sample of tissue no larger than a grain of sand, scientists have come within reach of a goal once thought ...

Sleep is of great importance to overall health, but many people struggle to get quality slumber. In an annual survey by US News, which was released in March, thousands of Americans weighed in on ...

Sleep is of great importance to overall health, but many people struggle to get quality slumber. In an annual survey by U.S. News, which was released in March, thousands of Americans weighed in on ...