The prevalence of sleep disorders in patients with Parkinson’s disease: A self-reported, community-based survey The prevalence of sleep disorders in patients with Parkinson's disease: A self-reported, community-based survey Download Article reviewed: Familial advanced sleep phase syndrome DRB1*1502-DQB1*0601-DQA1*0103 and DRB1*04-DQB1*0302 in Jewish hypersomnolent patients