title: Accuracy of wrist accelerometer during nap sleep in subjects with a variety of sleep efficiencies.
authors.forename: Tomoyuki
authors.initials: T
authors.lastname: Kawada
mesh_terms: D005260:Female; D006801:Humans; D007702:Kinetocardiography; D008297:Male; D012890:Sleep; D012893:Sleep Wake Disorders / Q000175:diagnosis*; D014851:Wakefulness; D014953:Wrist; D055815:Young Adult