The use of hypnotics.
D001463:Barbiturates / Q000627:therapeutic use; D003863:Depression / Q000188:drug therapy; D006801:Humans; D006993:Hypnotics and Sedatives / Q000627:therapeutic use*; D010817:Physician-Patient Relations; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy
D001463:Barbiturates; D006993:Hypnotics and Sedatives