REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in which your eyes move rapidly. If you've ever caught your dog or cat in a REM ...

A good night’s sleep isn’t just about the number of hours you log. Getting quality sleep — the kind that leaves you feeling ...

When in doubt, ask an expert. Dr. Michael Breus, PhD, simplifies and differentiates REM sleep vs. deep sleep for us. REM ...

In the stillness of the night, when the body should lie calm in sleep, something else may be happening beneath the surface.

Shorter slow wave sleep and rapid eye movement sleep were associated with decreased volume in Alzheimer disease-vulnerable brain regions.

"The concept of cortisol addiction has gained a lot of attention on social media," explains Dr. Leah Kaylor, a licensed psychologist specializing in sleep. "It's used to explain symptoms like ...

Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self explanatory, there’s “core” sleep. And if you Google what core sleep means, you’ll get a ...

A groundbreaking January 2025 survey revealed that 38% of Americans reported better sleep quality after simply changing their bedroom color. Color psychologists have long understood that different ...

Scientists have long noted eerie parallels between psychedelic trips and rapid eye movement (REM) sleep, the stage during which you dream. Some even suggest psychedelics could induce a “waking ...

Although sound machines can effectively block out noises while you sleep, the best sleep earbuds offer a more compact, subtle, and personal approach that won't wake the partner sleeping across ...

P. Bradley Hospital, both in Providence, Rhode Island, found that a pre-sleep tipple delays the onset and decreases the total amount of rapid eye movement (REM) sleep, but these effects lessen ...