Frequency of Past and Current Psychiatric Disorders in Patients Referred for Polysomnography: A Pilot Study Frequency of Past and Current Psychiatric Disorders in Patients Referred for Polysomnography: A Pilot Study Download Dissociative Identity Disorder and Obstructive Sleep Apnea Gout and the Risk of Incident Obstructive Sleep Apnea in Adults 65 Years or Older: An Observational Study