title: Sleep factor, muramyl peptides, and the serotoninergic system.
mesh_terms: D000119:Acetylmuramyl-Alanyl-Isoglutamine / Q000031:analogs & derivatives* / Q000494:pharmacology; D001921:Brain / Q000378:metabolism; D006020:Glycopeptides / Q000494:pharmacology*; D006801:Humans; D012701:Serotonin / Q000378:metabolism*; D012890:Sleep / Q000187:drug effects*
chemical_list: D006020:Glycopeptides; D012701:Serotonin; D000119:Acetylmuramyl-Alanyl-Isoglutamine; C033697:sleep-promoting factor S