How Less Rapid Eye Movement (REM) Sleep Increases Risk Of Dementia

Rapid eye movement (REM) sleep is a unique sleep stage when dreams occur. Individuals who get less REM sleep might be at greater risk of developing dementia, reveals a new study. REM Behavior Disorder (RBD), a sleep disorder, where a person acts out dramatic or violent dreams during Rapid Eye Movement (REM) sleep. A sleep cycle is defined by Non-Rapid Eye Movement (NREM) sleep, that comprises of four stages, followed by a period of Rapid Eye Movement (REM) sleep.

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