title: Tryptophan and sleep in young adults.
mesh_terms: D000328:Adult; D001923:Brain Chemistry / Q000187:drug effects; D004569:Electroencephalography; D006801:Humans; D008297:Male; D012701:Serotonin / Q000378:metabolism; D012890:Sleep / Q000187:drug effects*; D012895:Sleep, REM / Q000187:drug effects; D014364:Tryptophan / Q000494:pharmacology*
chemical_list: D012701:Serotonin; D014364:Tryptophan