OBJECTIVES: Posttraumatic stress disorder (PTSD) is a psychiatric condition frequently associated with severe sleep disturbances, especially insomnia and trauma-related nightmares (TRNs). These symptoms are among the most frequent and persistent in both civilian and military populations, yet they remain under-assessed and under-treated. This expert review aims to provide a comprehensive and updated overview of the current understanding and management of sleep disturbances in PTSD. MATERIALS AND ...