title: Penile erections during sleep.
mesh_terms: D000293:Adolescent; D000328:Adult; D000605:Amino Alcohols / Q000627:therapeutic use; D002110:Caffeine / Q000627:therapeutic use; D004582:Electronics, Medical; D007172:Erectile Dysfunction / Q000188:drug therapy / Q000503:physiopathology*; D005994:Glycerophosphates / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008722:Methods; D010413:Penis / Q000502:physiology* / Q000503:physiopathology; D046948:Secologanin Tryptamine Alkaloids / Q000627:therapeutic use; D012890:Sleep; D012895:Sleep, REM; D013739:Testosterone / Q000627:therapeutic use; D013997:Time Factors; D014810:Vitamin E / Q000627:therapeutic use
chemical_list: D000605:Amino Alcohols; D005994:Glycerophosphates; D046948:Secologanin Tryptamine Alkaloids; D014810:Vitamin E; D002110:Caffeine; D013739:Testosterone