![Amazon.com: Fitbit Inspire HR Heart Rate and Fitness Tracker, One Size (S and L Bands Included), 1 Count : Sports & Outdoors Amazon.com: Fitbit Inspire HR Heart Rate and Fitness Tracker, One Size (S and L Bands Included), 1 Count : Sports & Outdoors](https://m.media-amazon.com/images/I/61fPdr7lutL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fitbit Inspire HR Heart Rate and Fitness Tracker, One Size (S and L Bands Included), 1 Count : Sports & Outdoors
![I've been realizing the Fitbit jumps my heart rate like crazy when I set it to the workout / running mode. And, this difference is just crazy! Anyone want to tell me I've been realizing the Fitbit jumps my heart rate like crazy when I set it to the workout / running mode. And, this difference is just crazy! Anyone want to tell me](https://i.redd.it/4h6ggm12yno41.jpg)
I've been realizing the Fitbit jumps my heart rate like crazy when I set it to the workout / running mode. And, this difference is just crazy! Anyone want to tell me
![Why does this keep happening? My heart rate becomes very elevated in the middle of the night, same time between 12:58-1:05 AM and it's consistent. This is the highest I've every seen Why does this keep happening? My heart rate becomes very elevated in the middle of the night, same time between 12:58-1:05 AM and it's consistent. This is the highest I've every seen](https://preview.redd.it/why-does-this-keep-happening-my-heart-rate-becomes-very-v0-062l85bzjz5a1.jpg?width=640&crop=smart&auto=webp&s=bca954b926156bcf45321e2e832231541a3401b5)
Why does this keep happening? My heart rate becomes very elevated in the middle of the night, same time between 12:58-1:05 AM and it's consistent. This is the highest I've every seen
![A few quick thoughts on Fitbit's new activity trackers, GPS watch (with optical heart rate!) | DC Rainmaker A few quick thoughts on Fitbit's new activity trackers, GPS watch (with optical heart rate!) | DC Rainmaker](https://media.dcrainmaker.com/images/2014/10/image_thumb45.png)
A few quick thoughts on Fitbit's new activity trackers, GPS watch (with optical heart rate!) | DC Rainmaker
![Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count : Sports & Outdoors Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count : Sports & Outdoors](https://m.media-amazon.com/images/I/81cp0NTn-EL._AC_UF894,1000_QL80_.jpg)