Ben Greenfield: Resonance Breathing Explained: How to Improve HRV, Vagal Tone & Stress Resilience

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Peer-Reviewed Research
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Ben Greenfield

Video Summary · March 5, 2026

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Key Takeaways

  • Resonance Breathing: Perform breathing exercises at a rate of 5-6 breaths per minute (inhale for 5-6 seconds, exhale for 5-6 seconds) to improve HRV and vagal tone.
  • Breath Ratio: Use a 1:1 inhale-to-exhale ratio during resonance breathing for optimal results.
  • Daily Practice: Incorporate resonance breathing for 10-20 minutes daily, ideally in a calm environment, to enhance stress resilience.
  • Posture: Sit upright with a relaxed posture during the practice to maximize diaphragmatic breathing efficiency.
  • Monitor HRV: Use an HRV monitoring device to track improvements in heart rate variability over time.

Products & Gear Mentioned

  • HRV Monitoring Device: Use wearable tech like WHOOP, Oura Ring, or Polar H10 to measure HRV improvements.

Bottom Line

Practice resonance breathing daily at a rate of 5-6 breaths per minute with a 1:1 inhale-to-exhale ratio to boost HRV, vagal tone, and stress resilience, while monitoring progress with an HRV device.

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Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.

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