The need for sleep is much greater than the need for diet. The role of sleep includes: eliminating fatigue, restoring physical strength, protecting the brain, stabilizing emotions, enhancing immunity, promoting growth and development, and facilitating skin beauty, especially sleep is related to human advanced thinking and learning activities, so it is more than worthwhile and undesirable for parents to shorten sleep time to enhance children’s learning. There are many issues regarding sleep that are not yet well understood. The classification of sleep disorders is also very complicated, and the common sleep disorders around us should draw our attention. 1, insomnia, there is a survey 95% of people have the experience of insomnia, often related to depression, mental tension or over-excitement, anxiety, alcohol or drug effects. Most people have temporary short-term insomnia, generally 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 sleep disorders, common in obese middle-aged and elderly people, snoring at night as the main manifestation, severe cases of breath-holding at night, can hold awake, dry mouth and tongue in the morning, daytime drowsiness, lack of energy, due to long-term breath-holding, resulting in hypoxia, it has been confirmed that the disease is one of the main causes of hypertension, arrhythmia, coronary heart disease, cerebral infarction and many other diseases. Treatment requires comprehensive treatment such as prohibition of smoking and alcohol, exercise to increase lung capacity, weight loss, pharyngeal and nasal surgery if necessary, and even a respirator at night in severe cases. In addition, excessive dreams, nightmares, sleepwalking, nocturnal cries, somnambulism, nocturnal urination, episodic sleeping sickness, jet lag and night shifts leading to sleep cycle disorders, etc., are also in the scope of sleep medicine. There are many problems concerning sleep medicine, and the current treatment and treatment in hospitals have not kept up with the development of technology and objective practical needs. On the one hand, it is necessary for all people to improve their knowledge of sleep disorders, and on the other hand, it is necessary for doctors to improve their knowledge and hospitals to establish corresponding departments and clinics to meet the increasing needs of patients for treatment.