Medical research

Rapid eye movement sleep helps protect against predator attack

Rapid eye movement (REM) sleep brings about brief but periodic awakenings. In 1966, Dr. Frederick Snyder reported the "sentinel" function of REM could help animals prepare a fight or flight response against potential predator ...

Neuroscience

How do migraines affect the sleep cycle?

Adults and children with migraines may get less quality, REM sleep time than people who don't have migraines. That's according to a meta-analysis published in the September 22, 2021, online issue of Neurology, the medical ...

Neuroscience

Why the dreaming phase matters

Scientists have long wondered why almost all animals sleep, despite the disadvantages to survival of being unconscious. Now, researchers led by a team from the University of Tsukuba have found new evidence of brain refreshing ...

Medical research

How the brain paralyzes you while you sleep

We laugh when we see Homer Simpson falling asleep while driving, while in church, and even while operating the Springfield nuclear reactor. In reality though, narcolepsy, cataplexy and rapid eye movement (REM) sleep behavior ...

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