Brain Study: REM Sleep Behavior Disorder Linked To Neurodegeneration

REM sleep behavior disorder is linked to Parkinson’s disease, a movement disorder; dementia with Lewy bodies, which causes cognitive decline; and multiple system atrophy, in which the ability to regulate involuntary functions, such as blood pressure, breathing, and bladder and bowel function, deteriorates.

ROCHESTER, Minn. — People with rapid eye movement (REM) sleep behavior disorder act out their dreams. While sleeping safely in bed, for example, they might throw up their arms to catch an imaginary ball or try to run from an illusory assailant. Such actions are more than just a nuisance. People with the disorder have a 50% to 80% chance of developing a serious neurodegenerative disease within a decade of diagnosis.

Read more at Mayo Clinic

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