Drugs that can fall asleep quickly mainly refer to sedative and sleeping drugs, which include benzodiazepine sedative and sleeping drugs and non-benzodiazepine sedative and sleeping drugs. For example, zolpidem tartrate tablets, zopiclone tablets, eszopiclone, diazepam tablets, alprazolam, clonazepam, and other medications can be taken by the patient to fall asleep quickly. Patients can also be given midazolam, imipramine, and propofol, which can also help them fall asleep quickly. Clinical application of alpha agonists, such as dexmedetomidine injection, patients who have difficulty falling asleep can fall asleep very quickly, but also has an analgesic effect. All of the above drugs have certain addictive and side effects, and need to be applied under the guidance of a physician. Meanwhile, sedative and sleeping drugs have the side effect of respiratory depression, and it is recommended to use them with caution if the patient has heart or lung diseases.