Heart Rate Variability
data class HeartRateVariability(val heartRateVariabilityMillis: Double, val time: Instant) : KHRecord
Captures user's heart rate variability (HRV) as measured by the root mean square of successive differences RMSSD
on Android and Standard Deviation of NN intervals SDNN
on Apple between normal heartbeats.
Parameters
heart Rate Variability Millis
Variation in time between consecutive heartbeats
time
Time instant of the interval over which the value this record was captured