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

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

Scientists think that deep sleep and rapid eye movement (or REM) sleep are particularly influential when it comes to brain health and dementia risk. A study published last month on people with ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

During REM sleep, your heart rate increases, your blood pressure elevates, and your eyes move. REM sleep may also be the time when your brain processes emotions and solidifies memories.

Did you know that one of the four stages of sleep helps regulate emotions, and if it is not achieved through it, it could be ...

At times during sleep, the brain will also shift back up into rapid eye movement, or REM, sleep. Discovered by Kleitman and his student Eugene Aserinsky, REM sleep is characterized by rapid movement ...

When in doubt, ask an expert. Dr. Michael Breus, PhD, simplifies and differentiates REM sleep vs. deep sleep for us. REM sleep = Mental restoration Deep sleep = Physical restoration REM sleep is ...

An unusual experiment suggests that interrupted REM sleep can interfere with the amygdala’s ability to process emotional memories overnight—in this case, the distressing memories of listening to ...

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 ...

After, they were tested on their memories of that tour. You may like Doctor explains difference between REM sleep and deep sleep — plus how to get more of each this World Sleep Day Earlier ...

When humans sleep, our brains cycle through stages, alternating between rapid eye movement (REM) sleep and non-REM ... the brain half connected to the open eye and deep sleep in the brain half ...