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We are investigating a delay in strain and sleep processing. Our engineering team is actively working on a fix. No data has been lost. Check status.whoop.com for updates.

  1. WHOOP
  2. WHOOP DATA
  3. Recovery & HRV

Recovery & HRV

Learn more about WHOOP Recovery

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  • Cardiovascular Strain vs. Muscular Strain
  • Tracking Respiratory Rate
  • WHOOP Recovery
  • How can I improve my Recovery?
  • What is the Recovery calibration period?
  • What is Heart Rate Variability (HRV)?
  • How does my HRV stack up against similar athletes?

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