The patient has been unable to sleep recently for several reasons, mainly to consider the following aspects. 1, to consider may be related to environmental factors, such as the patient’s bedroom environment is more noisy, there is light interference or temperature is not suitable, the bedding is not suitable, may affect the patient’s sleep. 2, with psychological factors, if the patient is more stressed at work, emotional tension will lead to the problem of difficulty in sleeping. 3, to consider is caused by physical disease, if the patient has a chronic painful disease leading to more pain. 4, also to consider is a mental illness, if the patient has anxiety, depression, also prone to cause patients to appear insomnia, If the patient has a chronic painful disease that causes more pain, it is also easy to cause insomnia. 4, also consider the mental illness, such as patients have anxiety, depression, will also lead to difficulty sleeping at night. 5, with the patient’s poor lifestyle, such as frequent night shifts and other work leading to biological clock disorders, or in the bedtime overdose The use of substances containing caffeine, resulting in the cerebral cortex excitement are prone to sleep.