# Heart Rate Variability (HRV): What is it, and why does the Apple Watch track it? | iMore

<https://www.imore.com/heart-rate-variability-hrv-what-it-and-why-does-apple-watch-track-it>

- Host: [imore.com](https://links.thingelstad.xyz/hosts/imore.com/)
- Saved: March 27, 2018 (2018-03-28T01:54:10Z)
- Record: https://links.thingelstad.xyz/links/4c6307ae57dd/
- JSON: https://links.thingelstad.xyz/links/4c6307ae57dd.json

## What Jamie wrote

I find it very impressive what the Apple Watch can detect from heart rate information. This is all just getting started too.

## Facts

- Kind: [Page](https://links.thingelstad.xyz/kinds/page/)

## Appears in

- [WT47: Weekly Thing #47 / Mar 31, 2018](https://weekly.thingelstad.com/archive/47/), Health

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## Elsewhere

- Wayback Machine: https://web.archive.org/web/*/https://www.imore.com/heart-rate-variability-hrv-what-it-and-why-does-apple-watch-track-it