Polysomnographic features of REM sleep behavior disorder with or without Parkinson's disease

Introduction: REM sleep behavior disorder (RBD) precedes, in approximately 80% of cases, the development of synucleinopathies, such as Parkinson's disease (PD), therefore it is likely considered to reflect a prodromal stage of PD. We analyzed the differences of polysomnographic variables between the patients of idiopathic RBD without PD and RBD accompanied with PD.

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