Insomnia treatment is divided into non-pharmacological and pharmacological therapies: 1. Non-pharmacological therapies include sleep hygiene education, cognitive-behavioral therapy, chronotherapy, relaxation therapy, light therapy, and psychological-behavioral therapy, which can improve sleep through psychological relaxation and behavioral adjustment. 2. Pharmacological therapies are divided into two categories: one is sedative-hypnotics, including benzodiazepines, non-benzodiazepines and barbiturates; the other is antidepressants, including sertraline 5-HT drugs, trazodone, mirtazapine, quetiapine, olanzapine and melatonin, etc.