There is no clear clinical data on how long patients with sleep apnea can live, and it is mainly related to the severity of the patient’s condition. Sleep apnea is one of the most common sleep respiratory diseases in the clinic. Patients mainly exhibit symptoms such as snoring during nighttime sleep with apnea and daytime sleepiness. As nocturnal apnea causes recurrent episodes of hypoxemia and hypercapnia, it can easily lead to hypertension, diabetes, coronary heart disease and cerebrovascular disease as well as psychosomatic diseases for a long time. For mild to moderate sleep apnea, oral appliances or assisted ventilator therapy can be given and usually do not affect the normal life expectancy of the patient. In the case of severe sleep apnea, patients may experience sudden nocturnal death, resulting in loss of life expectancy. Severe sleep apnea can be treated surgically. Patients with sleep apnea should have a balanced diet, quit smoking and alcohol, avoid fatigue, live a regular life, exercise properly, control their weight effectively, and pay attention to changing their sleeping position, such as lying on their side or high pillow.