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  1. Oct 26, 2023 · This HRV chart demonstrates the average heart rate variability of 8 million people based on Fitbit data. Learn how to raise your HRV through simple changes. Here's how to take control of the buzzy health metric.

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  3. Sep 1, 2021 · What is heart rate variability? Heart rate variability is where the amount of time between your heartbeats fluctuates slightly. These variations are very small, adding or subtracting a fraction of a second between beats. These fluctuations are undetectable except with specialized devices.

  4. Learn how HRV (heart rate variability) declines with age but can be improved by exercise and lifestyle. Compare HRV numbers for different age groups, sexes and fitness levels and see how to track and train with HRV.

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  5. Feb 12, 2024 · Studies show that in healthy adults, heart rate variability is between 19 and 75 milliseconds. Is it better to have high or low heart rate variability?

  6. Heart rate variability (HRV) is an important indicator of overall health. Learn about factors that can affect whether your HRV is low or high.

  7. May 1, 2024 · Heart rate variability (HRV) measures the time between heartbeats. Normal HRV varies from person to person, and levels naturally decrease with age. Lower HRV is often associated with high stress levels and other medical conditions, but higher values aren't always better.

  8. May 26, 2024 · The average "good," or normal range, HRV among healthy adults is 19–75 milliseconds. A too-low HRV may indicate heart problems, such as an irregular heartbeat and heart failure. A high HRV,...

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