Connections of Daytime Napping and Vigilance Measures to Activity Behaviour and Physical Functioning

Juho Merilahti, Juha Pärkkä, and Ilkka Korhonen

Keywords

actigraphy, bed sensor, daytime sleep, physical functioning

Abstract

Ability to do different daily activities defines partly one’s independency. We study older adults’ daytime sleep behaviour (napping) with respect to user’s physical activity behaviour and physical functioning. The daytime sleep behaviour was measured via self-reported vigilance, actigraphy and bed sensor. Nineteen users took part in the study for three months. Especially actigraphy napping feature was found to have statistically significant correlation to number of steps, daily activity and self-reported exercise. According to the data, daily napping habits can also tell about the user’s physical ability level.

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