Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...
At a time when usage of smartwatches and rings has become more common, a West Virginia University human performance researcher points out that the heart rate variability—the time between ...
Even greater risk for mortality, CV events in presence of several high-variability metabolic parameters (HealthDay News) — High variability in metabolic parameters is associated with increased risk ...