title: Circulating levels of plasma testosterone during sleep.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000494:pharmacology; D000328:Adult; D002940:Circadian Rhythm; D006801:Humans; D008297:Male; D008875:Middle Aged; D012890:Sleep / Q000187:drug effects; D012895:Sleep, REM; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D000324:Adrenocorticotropic Hormone