Heart Rate Variability (HRV): What It means, Why it Matters, and How to Use It

Heart Rate Variability (HRV) is one of the most powerful indicators of how well your body is handling stress, training, and recovery — yet it’s also one of the most misunderstood. In this article, we break down what HRV actually measures, how to track it, what your numbers really mean, and how athletes and active adults can use it to train smarter, recover better, and perform at a higher level.