title: Measuring circadian rhythms. Actigraph Versus Activation Checklist.
authors.affiliation: Beth Israel Medical Center, New York.
authors.forename: D J
authors.initials: DJ
authors.lastname: Mason
authors.forename: W
authors.initials: W
authors.lastname: Tapp
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002940:Circadian Rhythm / Q000502:physiology*; D003299:Cooperative Behavior; D005260:Female; D006339:Heart Rate; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D009068:Movement; D015399:Nursing Research; D015203:Reproducibility of Results; D012494:Sampling Studies; D012815:Signal Processing, Computer-Assisted; D012881:Skin Temperature