REM

After that, REM sleep begins, and your heart rate, breathing and brain activity all increase. Brain regions involved in processing emotions and sensory input (from your dream world) light up. Meanwhile, your brain paralyses the muscles in…

Researchers at Tohoku University have shown that astrocytes -- star-shaped glial cells that control the local ionic and metabotropic environment of the brain -- exhibit an acid response with REM sleep in mice. They theorize that the acid…

Cara Murez FRIDAY, Feb. 17, 2023 (HealthDay News) -- The changes in temperature and daylight brought by winter may make a person feel like hibernating.It turns out that humans do get longer REM sleep in…

What role do the stages of sleep play in forming memories? "We've known for a long time that useful learning happens during sleep," says University of Pennsylvania neuroscientist Anna Schapiro. "You encode new experiences while you're…

Warm-blooded animal groups with higher body temperatures have lower amounts of rapid eye movement (REM) sleep, while those with lower body temperatures have more REM sleep, according to new research from UCLA professor Jerome Siegel, who…

When our eyes move during REM sleep, we're gazing at things in the dream world our brains have created, according to a new study by researchers at UC San Francisco. The findings shed light not only into how we dream, but also into how our…

Relapse presents a major barrier to recovery from substance use disorders -- when people begin taking drugs such as cocaine again after a period of abstinence. Sleep disruptions have long been associated with drug withdrawal and relapse.…