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REM sleep behaviour disorder

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This is characterised by vigorous motor behaviour during sleep, nightmares or a lack of muscle relaxation during REM sleep. It mainly affects men over 50 years of age.

The diagnosis is made by inspecting a polysomnogram during the REM phase when the patient speaks, screams, is startled, punches or kicks.

In many cases, REM sleep behaviour disorder is the first manifestation of a neurodegenerative disease, such as Parkinson's disease, multiple system atrophy or dementia with Lewy bodies (abnormal deposits of alpha-Synuclein protein).

Read more Recommendations for improved sleep
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Substantiated information by:

Alejandro Iranzo de Riquer

Published: 26 May 2022
Updated: 15 June 2022

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