title: Heart rate variability during nap sleep.
authors.forename: Tomoyuki
authors.initials: T
authors.lastname: Kawada
mesh_terms: D001145:Arrhythmias, Cardiac / Q000453:epidemiology*; D015992:Body Mass Index; D006801:Humans; D006973:Hypertension / Q000453:epidemiology*; D008297:Male; D050177:Overweight / Q000453:epidemiology*; D011788:Quality of Life