This Week In HRV Edition

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)

This Week In HRV - Episode 12

This Week In HRV - Episode 12

Studies & Resources Discussed Insomnia and HRV in Medical Students Publication: Cureus Title: “Insomnia and Its Impact on Psychomotor Reactivity, Autonomic Function, and Psychological Well-Being Among...

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Find the article here: https://jamanetwork.com/journals/jamapsychiatry/article-abstract/2839605 Episode Summary In this insightful episode of The Heart Rate Variability Podcast, host Matt Bennett si...

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Show Notes Resource 1: Title: Associations between mental health disorder symptoms and cardiac function among Royal Canadian Mounted police cadets during the Cadet training program Authors: R.N. Carle...

4 Nov 202515min

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Show Notes Resource 1: Title: Top 50 scariest movies of 2025 (and Fright Night Physiology) Publication: WISN.com / Science of Scare Project Link: https://www.wisn.com/article/top-50-scariest-movies-20...

31 Okt 20258min

This Week In HRV Edition

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28 Okt 202522min

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23 Okt 202519min

This Week In HRV Edition

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Show Notes Resource 1: Title: The relationship between heart rate variability and affective disorders: associations with symptomatic improvement and therapeutic alliance Authors: Alexandra F. Gonçalve...

21 Okt 202524min

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