OSA in Psychiatric Patients: Insomnia as a Concurrent Presentation of Autonomic Dysregulation in OSA OSA in Psychiatric Patients: Insomnia as a Concurrent Presentation of Autonomic Dysregulation in OSA Download Obstructive Sleep Apnea and Posttraumatic Stress Disorder among OEF/OIF/OND Veterans Protective Effect of Long-Term CPAP Therapy on Cognitive Performance in Elderly Patients with Severe OSA: The PROOF Study