Usually said snoring that medical sleep apnea obstruction apnea syndrome, refers to a variety of reasons for sleep state repeated apnea and (or) hypoventilation, causing hypoxemia, hypercapnia, so that the body undergoes a series of pathophysiological changes in the clinical syndrome. It is defined as more than 30 recurrent episodes of apnea or apnea hypopnea index (AHI) greater than or equal to more than 5 episodes/hour during 7 hours of sleep per night.AHI is the number of apneas plus hypopneas per hour of sleep. Apnea is defined as the complete cessation of nasal and oral respiratory airflow during sleep for more than 10 seconds; hypoventilation is defined as the reduction of respiratory airflow intensity (amplitude) by more than 50% from the basal level during sleep, accompanied by a decrease in oxygen saturation of more than or equal to 4% from the basal level. It is divided into central type and obstructive type, most people, especially fat people are mostly obstructive type, such as nasal polyps, inferior turbinate hypertrophy and so on. Clinical manifestations are as follows: Daytime: drowsiness, dizziness and fatigue, abnormal mental behavior, morning headache, personality changes. Nighttime: snoring, apnea, suffocating wakefulness, hyperactivity, excessive sweating, enuresis, abnormal sleep behavior.3. Systemic organ damage manifestations: hypertension, coronary artery disease, pulmonary heart disease and respiratory failure, ischemic or hemorrhagic cerebrovascular disease, mental anomalies, diabetes mellitus. If you want to confirm the diagnosis, you only need to do a polysomnography (PSG), which can confirm the diagnosis and determine the severity of the disease. If you also want to clarify the systemic situation and the function and damage of multiple organs, you can measure the blood routine, blood gas analysis, chest X-ray, lung function and electrocardiogram. In terms of treatment, what you can do by yourself is to lose weight, sleep on the side, stop smoking and drinking, use oral braces or surgery if you have nasal hypertrophy, in addition, there are all kinds of positive-pressure ventilation treatments, depending on the cause of the disease and the severity of the disease, it is better to go to the hospital to confirm the diagnosis and then correspond to the individual treatment.