Heart Rate Variability (HRV): What It Is and How to Improve It

Researchers at Harvard University have gone as far as to say that measuring your Heart Rate Variability is “a visual insight into the most primitive part of your brain”

Join Our Community of Science Lovers!

A few weeks ago, listener Megan wrote to me on Facebook and said: "Hey Brock, would you explain heart rate variability (HRV) in layman's terms? I've heard a lot about it, but don't quite understand the concept or its use." I thought that was a great suggestion because HRV is a technique that has been growing in popularity and acceptance in the sport and fitness world. So here you go, Megan: HRV 101. 

Most athletes know that getting enough rest after exercise is essential to performance. Still many of us overtrain and feel guilty or lazy when we take a day off. But relentless training can break even the strongest athletes and rest is a necessity to allow your body to repair, rebuild, and strengthen.


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


Given that it is so difficult for many of us to know when to train hard and when to back off, before we strap on a bluetooth heart rate monitor and fire up our HRV measuring smartphone app, let’s look at some non-HRV ways that we can measure our current state of recovery.

»Continue reading “Heart Rate Variability (HRV): What It Is and How to Improve It” on QuickAndDirtyTips.com

It’s Time to Stand Up for Science

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in that two-century history.

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe. I hope it does that for you, too.

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs across the U.S.; and that we support both budding and working scientists at a time when the value of science itself too often goes unrecognized.

In return, you get essential news, captivating podcasts, brilliant infographics, can't-miss newsletters, must-watch videos, challenging games, and the science world's best writing and reporting. You can even gift someone a subscription.

There has never been a more important time for us to stand up and show why science matters. I hope you’ll support us in that mission.

Thank you,

David M. Ewalt, Editor in Chief, Scientific American

Subscribe