People’s life, with the growth of age, sleep time is gradually reduced, newborns sleep 17-20 hours a day, and polyphasic sleep, to the age of 20 years old, sleep 7-8 hours a day, monophasic sleep, that is, sleep once a day, to the age of 65 years old or so, the sleep time can be as short as 6.5 hours, and may be polyphasic sleep, manifested in the daytime easy to doze off, which is physiological laws to. People’s need for sleep is far greater than the need for diet, the role of sleep includes: eliminating fatigue, restoring physical strength, protecting the brain, stabilizing mood, enhancing immunity, promoting growth and development, skin beauty, especially sleep and human advanced thinking, learning activities. There are many issues about sleep is not yet very clear, around the common sleep disorders, we should pay attention to. 1, insomnia, a survey of 95% of the people have insomnia experience, often associated with depression, stress or over-excitement, anxiety, alcohol or drug effects. Most people suffer from temporary short-term insomnia, usually less than 3 weeks, while long-term insomnia requires systematic diagnosis and treatment in psychiatry, neurology or psychological outpatient clinics. 2, sleep breathing disorder, accounting for 1/3 to 1/2 of the sleep diseases, commonly found in obese middle-aged and elderly people, snoring at night as the main manifestation of the serious people at night to hold their breath, can be suffocated to wake up in the morning, dry mouth and tongue, daytime sleepiness, lack of energy, due to the long-term holding of breath, resulting in lack of oxygen, has been proved that the disease is caused by hypertension, arrhythmia, coronary artery disease, cerebral infarction and other diseases of one of the main causes of the disease. Treatment requires prohibition of smoking and alcohol, exercise to increase lung capacity, weight loss, if necessary, pharyngeal and nasal surgery, and in severe cases, even nighttime with a ventilator and other comprehensive treatment. In addition, excessive dreaming, nightmares, sleepwalking, night crying, sleep talking, nocturia, episodes of sleeping sickness, jet lag and night shifts leading to sleep cycle disorders, etc., are also within the scope of sleep medicine. There are a lot of problems related to sleep medicine, and at present, hospitals cannot keep up with the development of science and technology and the objective practical needs for its treatment and handling. On the one hand, it is necessary for all people to improve their understanding of sleep diseases, and on the other hand, it is also necessary for doctors to improve their knowledge and hospitals to establish corresponding departments and clinics in order to satisfy the ever-increasing needs of patients in terms of treatment.