Abstract:ObjectiveTo explore the application value of polysomnography (PSG) in the sleeping respiratory disorders.Methods4 620 patients underwent PSG. Their results were analyzed and the application value of PSG was summarized.ResultsThe monitoring was successful in 4 597 cases, and failed in 23. Of all the 4 597 cases, 3 884 were diagnosed as obstructive sleep apnea hypopnea syndrome (OSAHS), 638 as simple snoring, 35 as insomnia, 17 as obesity hypoventilation syndrome, one as nocturnal groaning, 6 as bruxism, 2 as periodic limb movement, 3 as restless legs syndrome, 6 as narcolepsy, and 5 as overlap syndrome.ConclusionPSG is an objective and effective examination method to diagnose sleeping respiratory disorders and contributes to the development of treatment plan.