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What is heart rate variability (HRV)?
Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...
1. Despite widespread focus on interspecific variation in trait-based ecology, there is growing evidence that intraspecific trait variability can play a fundamental role in plant community responses ...
Heart rate variability offers a closer look at how your heart behaves from one beat to the next. While heart rate measures the average number of beats per minute, heart rate variability bases a ...
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