Sleep-inducing effects of L-tryptophan.
D000818:Animals; D010627:Phenethylamines / Q000378:metabolism; D051381:Rats; D012890:Sleep / Q000187:drug effects*; D013997:Time Factors; D014364:Tryptophan / Q000008:administration & dosage / Q000378:metabolism / Q000494:pharmacology*
D010627:Phenethylamines; D014364:Tryptophan