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  "path": "/wellness/sleep/experts-explain-what-hrv-on-your-sleep-tracker-means-and-how-to-improve-yours",
  "publishedAt": "2026-03-24T09:30:00.000Z",
  "site": "https://www.tomsguide.com",
  "tags": [
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  "textContent": "Once I understood this one sleep metric, everything I needed to do for better sleep made sense",
  "title": "Experts explain what HRV on your sleep tracker means, and how to improve yours so that you stop waking up at night"
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