REM sleep behavior disorder in the Korean elderly population: prevalence and clinical characteristics.

STUDY OBJECTIVES To examine the prevalence and clinical characteristics of REM sleep behavior disorder (RBD) and subclinical RBD in the Korean elderly population. DESIGN A community-based Korean Longitudinal Study on Cognitive Aging and Dementia and time-synchronized video-polysomnography (vPSG) in a laboratory. SETTING Sleep laboratory in a university… (More)