Mdedge Psychcast

Karl Doghramji, MD, is professor of psychiatry with secondary appointments in neurology and medicine at Thomas Jefferson University in Philadelphia. He also directs the Sleep Disorders Center at Thomas Jefferson. Show notes by Jacqueline Posada, MD, consultation-liaison psychiatry fellow with the Inova Fairfax Hospital/George Washington University program in Falls Church, Va. Classification and consequences  Insomnia is defined by the DSM-5 as dissatisfaction with sleep quantity or quality, difficulty falling asleep or staying asleep, or both. The symptoms need to occur at least three times per week for more than 3 months and cause dysfunction or distress in the patient. 20%-30% of the population reports insomnia; within inpatient psychiatry populations, the rates rise to up to 80%. Insomnia is thought to be caused by central nervous system hyperarousal or hyperactivity of unclear etiology, and there is evidence of genetic vulnerability. Insomnia is associated with significant impairments, such as diminished