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Fitbit Surge GPS/heartrate monitor smart watch syncs with your phone, and gives you estimations of activity level and calories burned. © Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races,
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Frontiers | Reduction of Physical Activity Levels During the COVID-19 Pandemic Might Negatively Disturb Sleep Pattern
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Fitbit Research Findings Show that Users Who Meet Physical Activity Recommendations Are Able to Improve Their Resting Heart Rate, Sleep, and More - Fitbit Blog
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Fitbit readings highlight lingering physiological, behavioral changes after COVID-19 infection | Fierce Healthcare
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Frontiers | A Multi-Level Classification Approach for Sleep Stage Prediction With Processed Data Derived From Consumer Wearable Activity Trackers
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