Patients with insomnia and difficulty falling asleep, but with a clear mind, may be caused by excessive mental stress or sleep disorders, which can cause disorders of the vegetative nerves and also lead to vascular spasms, thus causing insomnia symptoms. The influence of external environment such as too bright light, too loud sound and abnormal humidity can lead to discomfort in the body itself, which can affect the normal quality of sleep. Insomnia can occur if the patient has been subjected to greater psychological stimulation and excessive anxiety in the recent past, mainly due to psychological stress, which requires timely psychological guidance. If the patient takes medication such as anti-anxiety drugs, it can also cause similar symptoms.