Reliability of commercially available sleep and activity trackers with manual switch-to-sleep mode activation in free-living healthy individuals

International Journal of Medical Informatics
Alexia GruwezMarie Bruyneel

Abstract

Wearable health devices have become trendy among consumers, but it is not known whether they accurately measure sleep and physical activity parameters. To address this question, we have studied the measured data of two consumer-level activity monitors (Up Move Jawbone®(U) and Withings Pulse 02®(W)) and compared it with reference methods for sleep and activity recordings, namely the Bodymedia SenseWear Pro Armband®actigraph (SWA) and home-polysomnography (H-PSG). Twenty healthy patients were assessed at home, during sleep, with the four devices. An additional 24-h period of recording was then planned during which they wore the 2 trackers and the SWA. Physical activity and sleep parameters obtained with the 4 devices were analyzed. Significant correlations with H-PSG were obtained for total sleep time (TST) for all the devices: r=0.48 for W (p=0.04), r=0.63 for U (p=0.002), r=0.7 for SWA (p=0.0003). The best coefficient was obtained with SWA. Significant correlations were also obtained for time in bed (TIB) for U and SWA vs PSG (r=0.79 and r=0.76, p<0.0001 for both) but not for W (r=0.45, p=0.07). No significant correlations were obtained for deep sleep, light sleep, and sleep efficiency (SE) measurements with W, U and SWA. Sleep...Continue Reading

Citations

Apr 3, 2019·International Journal of Environmental Research and Public Health·Marcus Oldenburg, Hans-Joachim Jensen
Jul 12, 2019·BMJ Open·Marcus Oldenburg, Hans-Joachim Jensen
Sep 10, 2019·World Psychiatry : Official Journal of the World Psychiatric Association (WPA)·Andrew D KrystalLiza H Ashbrook
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Dec 12, 2020·PloS One·Nanna J MouritzenTroels W Kjær
May 1, 2021·Sensors·Ramona S VulcanMarie Bruyneel
Jul 31, 2021·Sleep Medicine Clinics·Erna Sif ArnardottirMaría Óskarsdóttir

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