title: Reduction of REM sleep by a tryptophan-free amino acid diet.
mesh_terms: D000818:Animals; D004032:Diet; D008297:Male; D051381:Rats; D012701:Serotonin / Q000378:metabolism; D012890:Sleep / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology*; D014364:Tryptophan / Q000172:deficiency*
chemical_list: D012701:Serotonin; D014364:Tryptophan