Polysomnography coupled with nocturnal penile tumescence recording confirmed this diagnosis, documenting recurrent awakenings, mostly after REM sleep, accompanied by painful erections. Painless ...

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 ...

Sunlight plays a huge role in our energy levels and sleep quality. One study found that those who got enough morning sunlight ...

For the next in our series of conditions GPs might rarely encounter, Neurology consultant Dr Clare Bolton provides an ...

Next to REM sleep, which you’ve probably heard of ... to the sleep stages that neuroscientists can observe with polysomnography, which involves hooking you up to an electroencephalogram ...

Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the deterioration of parts of the brain associated with Alzheimer’s ...

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