Sleep Apnea Syndrome is a serious source disorder that is closely related to a variety of diseases. Hypertension: 50-90% of patients with obstructive sleep apnea have high blood pressure, and 30-50% of patients with hypertension have obstructive sleep apnea. Coronary artery disease: 30-50% of patients have obstructive sleep apnea and 85% of angina attacks are due to sleep apnea. Obesity: 2/3 of men over 130% of ideal body weight have obstructive sleep apnea. Hypothyroidism: 52% of patients with obstructive sleep apnea. Acromegaly: 20-43% of patients with obstructive sleep apnea. Diabetes mellitus: Type II diabetes mellitus is associated with obstructive sleep apnea. Hypogonadism: Sleep apnea syndrome is often associated with loss of libido and impotence. Traffic and production accidents: The incidence of traffic and production accidents in people with sleep apnea syndrome is 3-4 times higher than that of ordinary people. Sudden death at night: Studies have shown that sleep apnea is one of the most important causes of sudden death at night, which is the cause of the death of Gao Xiumin, a famous actress. Insufficient cerebral blood supply, cerebral thrombosis, cerebral infarction, cerebral hemorrhage and other neurological diseases.