Commonly used sedative-hypnotics include benzodiazepines, barbiturates, new non-benzodiazepines and other sedative-hypnotics. 1. Benzodiazepines: including short-acting, intermediate-acting and long-acting preparations, short-acting types include triazolam, oxazepam, etc., intermediate-acting types include alprazolam, eszopiclone, lorazepam, etc., and long-acting types include diazepam and flurazepam, etc. 2. Barbiturates: including sodium thiopental, pentobarbital, phenobarbital, etc. Small doses of barbiturates can play a sedative role in relieving anxiety and irritability, and medium doses have a hypnotic effect, prolonging sleep time and reducing the number of awakenings. 3. New non-benzodiazepines: including zolpidem, zopiclone, zaleplon and so on. The drug has good tolerance, and long-term application of almost no dependence. 4. Other sedative-hypnotics: including Glumeti, buspirone, etc., also have sedative-hypnotic effect. Sedative-hypnotic drugs belong to the psychotropic drugs, need to be applied under the guidance of a physician, do not blindly use on their own.