![Fitbit's 100+ Billion Hours of Resting Heart Rate User Data Reveals Resting Heart Rate Decreases After Age 40 | Business Wire Fitbit's 100+ Billion Hours of Resting Heart Rate User Data Reveals Resting Heart Rate Decreases After Age 40 | Business Wire](https://mms.businesswire.com/media/20180214005548/en/640823/5/Resting+Heart+Rate.jpg)
Fitbit's 100+ Billion Hours of Resting Heart Rate User Data Reveals Resting Heart Rate Decreases After Age 40 | Business Wire
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What do normal and abnormal heart rhythms look like on Apple Watch? | by Brandon Ballinger | Cardiogram
![Fitbit's Heart Rate graph goes up to 240 BPM. This compresses the graph, and makes it hard to see differences in heart rate, and 240 BPM is a really high HR. : r/softwaregore Fitbit's Heart Rate graph goes up to 240 BPM. This compresses the graph, and makes it hard to see differences in heart rate, and 240 BPM is a really high HR. : r/softwaregore](https://i.redd.it/2kyafw1gljpy.jpg)
Fitbit's Heart Rate graph goes up to 240 BPM. This compresses the graph, and makes it hard to see differences in heart rate, and 240 BPM is a really high HR. : r/softwaregore
![Fitbit study finds heart rate variability fluctuates by age, gender, time of day and activity level | MobiHealthNews Fitbit study finds heart rate variability fluctuates by age, gender, time of day and activity level | MobiHealthNews](https://www.mobihealthnews.com/sites/default/files/Fitbit_Versa_3_Lifestyle_Park_Jog_Pink_Clay_OTS_Connected_GPS_MH_0307.jpeg)