If insomnia occurs occasionally and you don’t sleep for a night, it usually doesn’t matter. If it occurs repeatedly, it is necessary to find the cause of the disease and treat it. Prolonged insomnia may cause a decline in immune function, which can cause the patient to develop organic diseases, and may also cause cognitive dysfunction, memory function decline and so on. Insomnia can be caused by a variety of reasons, such as excessive mental tension and stress during the day, insomnia may occur at night. Insomnia can also occur if the patient has a neurasthenia, and when there is anxiety or depression, insomnia can also occur. Insomnia may also occur if the patient enters menopause, for example, at the age of 45-55, due to a decline in estrogen production. For different causes, the appropriate etiologic treatment.