![HRV score had me mildly freaking out. Reddit search showed others with the same concern. Syncing data with Healthzilla and doing their finger scan has me feeling a bit more optimistic : HRV score had me mildly freaking out. Reddit search showed others with the same concern. Syncing data with Healthzilla and doing their finger scan has me feeling a bit more optimistic :](https://preview.redd.it/isjopuivcy181.jpg?width=640&crop=smart&auto=webp&s=ada28ac3aee0673b2e4115694cb1bd3946a7064d)
HRV score had me mildly freaking out. Reddit search showed others with the same concern. Syncing data with Healthzilla and doing their finger scan has me feeling a bit more optimistic :
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Introducing Fitbit Sense: The Advanced Health Smartwatch Featuring Innovation in Stress Management, Heart Health, and Wellness - Fitbit Blog
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Heart rate variability with photoplethysmography in 8 million individuals: a cross-sectional study - The Lancet Digital Health
![Heart Rate Variability Fluctuates by Age, Gender, Activity and Time of Day, Fitbit Study Reveals Heart Rate Variability Fluctuates by Age, Gender, Activity Heart Rate Variability Fluctuates by Age, Gender, Activity and Time of Day, Fitbit Study Reveals Heart Rate Variability Fluctuates by Age, Gender, Activity](https://www.wearable-technologies.com/wp-content/uploads/2020/12/Fitbit-heart-rate-variability-study-1.jpg)
Heart Rate Variability Fluctuates by Age, Gender, Activity and Time of Day, Fitbit Study Reveals Heart Rate Variability Fluctuates by Age, Gender, Activity
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Fitbit study finds heart rate variability fluctuates by age, gender, time of day and activity level | MobiHealthNews
![Why gym fanatics claim measuring time BETWEEN your heart beats can tell you if you're overdoing it | Daily Mail Online Why gym fanatics claim measuring time BETWEEN your heart beats can tell you if you're overdoing it | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/07/25/17/31188292-8559669-image-a-55_1595693188612.jpg)