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Sensors | Free Full-Text | Evaluating Accuracy in Five Commercial Sleep-Tracking Devices Compared to Research-Grade Actigraphy and Polysomnography

The development of consumer sleep-tracking technologies has outpaced the scientific evaluation of their accuracy. In this study, five consumer sleep-tracking devices, research-grade actigraphy, and polysomnography were used simultaneously to monitor the overnight sleep of fifty-three young adults in the lab for one night. Biases and limits of agreement were assessed to determine how sleep stage estimates for each device and research-grade actigraphy differed from polysomnography-derived measures. Every device, except the Garmin Vivosmart, was able to estimate total sleep time comparably to research-grade actigraphy. All devices overestimated nights with shorter wake times and underestimated nights with longer wake times. For light sleep, absolute bias was low for the Fitbit Inspire and Fitbit Versa. The Withings Mat and Garmin Vivosmart overestimated shorter light sleep and underestimated longer light sleep. The Oura Ring underestimated light sleep of any duration. For deep sleep, bias ....

San Francisco , United States , Issy Les Moulineaux , France General , Phillips Respironics , Garmin Vivosmart , Phillips Actiwatch , Fitbit Inc , Fitbit Inspire Hr Inc , Garmin Ltd , Withings Sleep Tracking Mat Inc , Oura Inc , American Academy Of Sleep Medicine , University Of Massachusetts , Institutional Review Board , Eveningness Questionnaire , Pittsburg Sleep Quality Index , Actiwatch Spectrum Plus , Fitbit Inspire , Fitbit Versa , Oura Ring Gen , Withings Sleep Tracking Mat , Withings Inc , Bluetooth Compatible Liveamp , Brain Products Gmbh , Brainvision Recorder ,

Best massage deal: Get the Therabody Theragun Mini (1st gen) for just $149.99 at Best Buy

Grab the Therabody Theragun Mini (1st gen) for just $149.99 at Best Buy as of Jan. 23, marked down from the original price of $199.99. That's $50 off. ....

Best Buy , Theragun Mini , Therabody Theragun Mini , Fitbit Inspire ,