Adaptive Servoventilation (ASV) in Patients with Sleep Disordered Breathing Associated with Chronic Opioid Medications for Non-Malignant Pain Adaptive Servoventilation (ASV) in Patients with Sleep Disordered Breathing Associated with Chronic Opioid Medications for Non-Malignant Pain Download Adaptive Pressure Support Servoventilation: a Novel Treatment for Sleep Apnea Associated with Use of Opioids Visual Hallucinations and Pontine Demyelination in a Child: Possible REM Dissociation?