![Tracking Resting Heart Rate « Adafruit Industries – Makers, hackers, artists, designers and engineers! Tracking Resting Heart Rate « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2016/12/rhr-1.jpeg)
Tracking Resting Heart Rate « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![Six-year mortality according to electrocardiogram heart rate, excluding... | Download Scientific Diagram Six-year mortality according to electrocardiogram heart rate, excluding... | Download Scientific Diagram](https://www.researchgate.net/publication/10613553/figure/fig1/AS:267378533597193@1440759418508/Six-year-mortality-according-to-electrocardiogram-heart-rate-excluding-people-using.png)
Six-year mortality according to electrocardiogram heart rate, excluding... | Download Scientific Diagram
![Tracking Resting Heart Rate « Adafruit Industries – Makers, hackers, artists, designers and engineers! Tracking Resting Heart Rate « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2016/12/rhr-3.jpeg)
Tracking Resting Heart Rate « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Is it normal for heart rate to drop as low as 55 early in the mornings such as when you've just woken up and then for it to hover around the 60's
![Exercise-mad British pensioner found to have world's slowest EVER heart rate | UK | News | Express.co.uk Exercise-mad British pensioner found to have world's slowest EVER heart rate | UK | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/1/590x/secondary/158930.jpg)