Tue, Jul 28 11:12 PM

A Look Behind the Data: How Whoop Measures Heart Rate

Hacker News•Tue, Jul 28, 2026, 08:57 PM•2 min read

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Source: [Hacker News](https://www.whoop.com/us/en/thelocker/a-look-behind-the-data-how-whoop-measures-heart-rate/)

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