title: Sympathetic activity as the cause of the morning increase in cardiac events. A likely culprit, but the evidence remains circumstantial.
authors.forename: J E
authors.initials: JE
authors.lastname: Muller
authors.forename: G H
authors.initials: GH
authors.lastname: Tofler
authors.forename: R L
authors.initials: RL
authors.lastname: Verrier
mesh_terms: D002318:Cardiovascular Diseases / Q000503:physiopathology*; D002940:Circadian Rhythm; D006801:Humans; D011187:Posture / Q000502:physiology; D012890:Sleep / Q000502:physiology; D013564:Sympathetic Nervous System / Q000503:physiopathology*; D014851:Wakefulness / Q000502:physiology