title: L-tryptophan and sleep.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D006801:Humans; D006993:Hypnotics and Sedatives; D012890:Sleep / Q000187:drug effects*; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy; D014364:Tryptophan / Q000494:pharmacology* / Q000627:therapeutic use
chemical_list: D006993:Hypnotics and Sedatives; D014364:Tryptophan