Introduction: Obstructive sleep apnea (OSA) is a highly prevalent sleep-disordered breathing (SDB). Case Report: Two 53- and 51-year-old male cases with daytime sleepiness and opium abuse and severe sleep apnea and long respiratory events duration (200 and 275 seconds respectively) noted in polysomnography were reported at Ebn-e-Sina and Razavi hospita...
