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Changes in Physical Activity, Heart Rate, and Sleep Measured by Activity Trackers During the COVID-19 Pandemic Across 34 Countries: Retrospective Analysis

Changes in Physical Activity, Heart Rate, and Sleep Measured by Activity Trackers During the COVID-19 Pandemic Across 34 Countries: Retrospective Analysis

HR was higher in French women than in French men (mean 65.6, SD 7.8 bpm vs mean 61.1, SD 7.9 bpm, respectively) throughout the follow-up period. Daily average nighttime heart rate in France from January 2019 to March 2022, based on data from 153 Withings Steel heart rate activity tracker users (95 men and 58 women), with the blue line representing men and the green line representing women. Lockdowns were associated with a slight decrease in HR (Figure 5).

Bastien Wyatt, Nicolas Forstmann, Nolwenn Badier, Anne-Sophie Hamy, Quentin De Larochelambert, Juliana Antero, Arthur Danino, Vincent Vercamer, Paul De Villele, Benjamin Vittrant, Thomas Lanz, Fabien Reyal, Jean-François Toussaint, Lidia Delrieu

J Med Internet Res 2025;27:e68199