title: Natural and melatonin-induced sleep in young chickens--a behavioral and electrographic study.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002645:Chickens; D004562:Electrocardiography; D004569:Electroencephalography; D004576:Electromyography; D004585:Electrooculography; D008550:Melatonin / Q000494:pharmacology*; D012890:Sleep / Q000187:drug effects*; D012895:Sleep, REM; D014851:Wakefulness
chemical_list: D008550:Melatonin