title: The early riser. Reassurance.
authors.affiliation: University of Arizona and Southern Arizona VA Health Care System, Tucson, AZ 85723, USA.
authors.forename: Oluwole
authors.initials: O
authors.lastname: Onadeko
authors.forename: Kenneth S
authors.initials: KS
authors.lastname: Knox
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D020178:Sleep Disorders, Circadian Rhythm / Q000175:diagnosis*