Study Objectives: Consumer wearable devices may be a helpful method of assessing sleep,
but validation is required for their use in clinical practice. Our aim was to validate two models …

Objective The use of activity and sleep trackers that operate through dedicated smartphone
applications has become popular in the general population. However, the validity of the data …

We evaluated the performance of a consumer multi-sensory wristband (Fitbit Charge 2™),
against polysomnography (PSG) in measuring sleep/wake state and sleep stage …

Objectives To compare the accuracy of the commercial Fitbit Flex device (FF) with
polysomnography (PSG; the gold-standard method) in insomnia disorder patients and good …

We evaluated the performance of Fitbit Charge 3™(FC3), a multi-sensor commercial sleep-
tracker, for measuring sleep in adolescents against gold-standard laboratory …

Study Objectives: To compare the quality and consistency in sleep measurement of a
consumer wearable device and a research-grade actigraph with polysomnography (PSG) in …

Study Objectives: To compare sleep parameters produced by the Fitbit Charge 3 (Fitbit) and
Actigraph GT9X accelerometer (Actigraph) to polysomnography in children and adolescents …

Abstract Study Objectives Consumer sleep-tracking devices are widely used and becoming
more technologically advanced, creating strong interest from researchers and clinicians for …

Background Wearable sleep monitors are of high interest to consumers and researchers
because of their ability to provide estimation of sleep patterns in free-living conditions in a …

Study Objectives: To improve sleep quality assessment using a single chest-worn sensor by
extracting body acceleration and sleep position changes. Methods: Sleep patterns of 21 …