Does Fitbit Measure Heart Rate Variability. Fitbit uses the common formula called rmssd to determine hrv from your recent heart rate data. In the graph your latest hrv measurement reflects data logged from your most recent sleep session that was at least 3 hours long. If you are looking for just a general rise and fall of heart rate to practice breathing with like the heartmath then a fitbit could potentially work in a resting still position depending on the software.
Get a better reading. Fitbit s current covid 19 symptom detection research has been focused on heart rate variability resting heart rate and breathing rate as metrics which cto eric friedman says can detect 50 of.
A decrease in resting heart rate typically indicates your cardio health is improving.
When you sync your tracker in the morning your device will use the heart rate variability and movement data it gathered during the prior night to estimate your sleep cycles. Get a better reading. Wear your tracker while you sleep for a more accurate number. The latest piece of biometric data that everyone seems to be talking about is heart rate variability.
