Sleeplessness is clinically known as insomnia, divided into the following two cases: 1, the recent sudden appearance of insomnia, which is mostly related to psycho-psychological factors, such as work, life stress, sudden changes in the family, suddenly encountered more exciting things, etc.. Insomnia caused by this situation is transient, after their own adjustment insomnia can be quickly relieved. It is also common to take coffee, strong tea, alcoholic beverages and other excitatory foods before going to bed that lead to insomnia, food-induced insomnia can be avoided by paying attention to it as much as possible. 2. Patients with long-term insomnia, which can occur for months or even years, have been insomnia. Insomnia caused by this condition is related to endocrine factors, ageing, and degeneration of the neurological function of the brain. Insomnia under this symptom is difficult to treat, and patients may need to take central sedative-hypnotic drugs to aid sleep.