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.

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 ...

A study published in the Journal of Clinical Sleep Medicine explores the association between sleep architecture and brain atrophy in regions vulnerable to | Neuroscience ...

For more on the nature of sleep, go here.] Scientists believe that dreaming plays a role in the consolidation of memories, ...

This stage includes spikes of brain activity called sleep spindles, and distinctive brainwave patterns called ... The brain waves of a person in REM sleep look very similar to those of a person ...

The study found that alcohol increased the amount of time spent in deep, slow-wave sleep in the first third of the night, but decreased it thereafter. These changes, including a reduction in REM ...

Mar. 31, 2025 — New research reveals that lower proportions of specific sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer's disease over ..

If you're experiencing symptoms of a potentially serious sleep disorder, a comprehensive sleep study serves as a crucial ...