title: Age and long term shiftwork with mental load: their effects on sleep.
mesh_terms: D000328:Adult; D000375:Aging; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D008297:Male; D008606:Mental Processes; D008875:Middle Aged; D009524:Newspapers as Topic; D012890:Sleep / Q000502:physiology*; D014937:Work; D014940:Work Schedule Tolerance