Here's What Your Fitbit Heart Rate Variability Actually Tells You
Your usual numbers matter more than anyone else's.
Let's say your Fitbit reads 62 beats per minute (bpm) for your resting heart rate and 24 milliseconds (ms) for your heart rate variability (HRV). The first number is easy enough to understand, but the second is a little harder to interpret, particularly if you know someone whose reading is 80 ms.
The good news is that there's no score to beat for HRV. It is a measure of the difference in time between heartbeats and provides information about how your body responds to stress and recovery. But comparing your reading with another person's won't tell you a lot. Your own numbers, particularly how they change over time, have a lot more to say.
What your Fitbit HRV reading actually measures
A heart rate of 60 beats per minute is an average, not a promise of perfectly spaced beats. The gaps can...
Copyright of this story solely belongs to www.engadget.com. To see the full text click HERE
