Most of the severe sleep disorders can be cured, need to develop a treatment plan according to the causes, as follows: 1, mental and psychological factors are the main causes of sleep disorders, such patients can control sleep disorders by adjusting their emotions and improving their mental state; 2, for serious sleep disorders caused by primary factors, such as heart disease, respiratory disease or chronic bone and joint disease, itchy skin and other diseases, may lead to stubborn and severe sleep disorders. Therefore, the treatment of the primary cause is more important to alleviate and improve the sleep disorder, or even cure the sleep disorder; 3, for the sleep disorder caused by sleep rhythm, living habits and sleep environment, can be alleviated by improving the sleep environment and regular living. Patients with serious sleep disorders should seek medical consultation promptly and take corresponding treatment measures after clear diagnosis.