This Week In HRV Edition
Heart Rate Variability Podcast30 Sep 2025

This Week In HRV Edition

In this episode, we review seven new studies published between September 19 and September 25, 2025. Together, they highlight the many ways HRV intersects with brain activity, breathing practices, cardiac recovery, exercise environments, emergency medicine, environmental stressors, and new multimodal measurement approaches.

We’ll explore:

  • How brain networks and cognitive load shape HRV readings.
  • Why slow breathing alone is powerful, and what feedback really adds.
  • The Benefits of Yoga Nidra for Patients Recovering from Coronary Artery Bypass Surgery.
  • How walking in natural environments provides a stronger autonomic boost than indoor or urban exercise.
  • Real-world HRV findings in emergency medicine and why lab results don’t always translate.
  • How pollution, heat, and noise suppress vagal tone.
  • New frontiers in dynamic and multimodal HRV metrics.

As always, I’ll connect the research to practical, client-ready strategies you can use right away.

This podcast is sponsored by Optimal HRV. Learn more at optimalhrv.com.

References
  1. Behavioural Brain Research – Neural and cognitive influences on autonomic function. https://doi.org/10.1016/j.bbr.2025.115811

  2. Psychophysiology – Comparing HRV biofeedback and slow-paced breathing. https://doi.org/10.1111/psyp.70156

  3. Cureus – Impact of Yoga Nidra on heart rate variability in coronary artery disease patients undergoing coronary artery bypass grafting. https://www.cureus.com/articles/402202-impact-of-yoga-nidra-on-heart-rate-variability-in-coronary-artery-disease-patients-undergoing-coronary-artery-bypass-grafting-a-comparative-study

  4. Psychology of Sport and Exercise – Green exercise randomized controlled trial. https://doi.org/10.1016/j....

Episoder(106)

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This Week in HRV - Episode 22 In this episode of "This Week in HRV", Matt Bennett explores four recent studies that broaden our perspective on autonomic regulation across diverse physiological context...

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This Week In HRV - Episode 20

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This Week in HRV  In this episode of This Week in HRV, Matt Bennett explores five recent studies that deepen our understanding of heart rate variability across time, technology, cardiovascular health,...

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This Week In HRV - Episode 19

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The 2024 Year in Review — Research That Shaped 2025

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