title: Is sexual activity itself a zeitgeber?
authors.forename: Hari
authors.initials: H
authors.lastname: Prasad
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000523:psychology*; D001683:Biological Clocks; D002940:Circadian Rhythm; D006801:Humans; D012725:Sexual Behavior; D014473:Unconscious, Psychology