Welcome to the Heart Rate Variability Podcast where we discuss the research and applications of heart rate variability.
Heart Rate Variability Podcast
Claim This Podcastby Optimal HRV
3.3(15 reviews)
245 episodes
Updated Daily
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Podcast Overview
Welcome to the Heart Rate Variability Podcast where we discuss the research and applications of heart rate variability.
Language
🇺🇲
Publishing Since
4/27/2021
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Podcast Authority
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Recent Episodes
July 16, 2026
Debunking the LF/ HF Ratio Myth with Dr. Fred Shaffer
Join host Matt Bennett and Dr. Fred Shaffer on the Heart Rate Variability Podcast as they debunk common misconceptions about the low-frequency to high-frequency (LF/HF) ratio. Dr. Shaffer explains how short-term low-frequency power more accurately reflects blood pressure regulation than sympathetic tone, and clarifies that everyday stress is often simply vagal withdrawal rather than a true fight-or-flight sympathetic response. He also recommends more reliable metrics for assessing autonomic balance, such as RMSSD. Finally, the episode introduces Mentor, a custom AI tool rigorously trained on peer-reviewed biofeedback and HRV research, designed to serve as a reliable, 24/7 educational tutor for both practitioners and enthusiasts.
July 13, 2026
This Week In HRV - Episode 46
DISCLAIMER: This podcast and its accompanying show notes are for educational and informational purposes only and are not a substitute for professional medical, psychological, or clinical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare professional with any questions you may have regarding a medical condition. This week we're covering eight new studies spanning addiction, psychiatry, neonatal care, occupational health, women's health, and exercise science. You'll hear how alcohol cues and stress pull on heart rate variability in different directions, how short-term heart rate variability tracked suicide risk in hospitalized patients, how much a simple change in posture shifts your numbers, and more. As always, we break down what each study actually found, what it means for your practice, and where the caveats live. RESEARCH HIGHLIGHTS THIS WEEK 1. The link between subjective feelings (arousal and craving) and physiological responses (heart rate variability) in stress- and alcohol cue-reactivity among young adults engaged in hazardous drinking: a counterbalanced study PUBLICATION: Addictive Behaviors AUTHORS: Insan Firdaus, Annet Kleiboer, Anne Marije Kaag, Anja C. Huizink KEY FINDING: In 56 young hazardous drinkers, handling an alcoholic beverage increased both craving and heart rate variability, while a mental arithmetic stress task raised subjective stress without increasing craving at all. When the stress task came first, exposure to the alcohol cue afterward actually lowered perceived stress. SIGNIFICANCE: Craving and stress don't always move together, which means "avoid your triggers" may be an incomplete relapse-prevention strategy. Alcohol cues may function as a short-term emotional reset for some hazardous drinkers, independent of craving itself. Read the full study: https://www.sciencedirect.com/science/article/pii/S0306460326001875 2. Short-term HRV dynamics track suicide risk changes in depressive inpatients: A retrospective one-week longitudinal study PUBLICATION: Journal of Affective Disorders AUTHORS: Yi Wang, Chaohua Huang, Baoyi Zhong, Yang Lu, Hao Yu, Yujie Liu, Lanyang Gao, Bo Xiang, Tingting Wang, Kezhi Liu KEY FINDING: Across 177 depressive inpatients, those with moderate-to-high suicide risk showed faster heart rate and lower heart rate variability at admission. As suicide risk dropped over one week of treatment, heart rate variability recovered in step, independent of changes in depression, anxiety, or sleep. SIGNIFICANCE: This is an association, not proof of causation, but it's a compelling one: the heart rate variability signal tracked suicide risk specifically, not just general symptom improvement. That raises real potential for an objective, adjunctive signal in inpatient risk monitoring. Read the full study: https://www.sciencedirect.com/science/article/abs/pii/S0165032726010852 3. Postural Impacts Based on HRV in Young Adults – A Statistical Analysis PUBLICATION: Procedia Computer Science AUTHORS: Prashant Kumar, Ashis Kumar Das, Suman Halder KEY FINDING: Testing three postures in young adults, researchers found statistically significant differences across nearly every heart rate variability parameter, with approximate entropy the lone exception. Short-term and long-term variability measures stayed strongly correlated regardless of posture. SIGNIFICANCE:
July 9, 2026
AAPB Journal Special Podcast
Disclaimer: This episode is for educational and professional development purposes only and does not constitute medical advice. Please consult the comprehensive published research and use your own clinical judgment before making any changes to practice. This week we're breaking format. Instead of our usual roundup across multiple sources, we're spotlighting seven studies published in a single journal, Applied Psychophysiology and Biofeedback, spanning cardiac rehabilitation, meditation, aviation safety, occupational fatigue, workplace stress, traumatic brain injury recovery, and music-based biofeedback. Host Matt Bennett walks through the methodology, findings, and honest limitations of each one. Whether you're a clinician, researcher, coach, or practitioner, this special episode offers a rare, single-journal snapshot of where HRV research is headed right now. RESEARCH HIGHLIGHTS THIS WEEK 1. When Diet and Biofeedback Team Up for Heart Recovery Publication: Applied Psychophysiology and Biofeedback Authors: Valeria Carola, Valeria Gigli, Filippo Cellucci, Marco Coli, Sofia Nicolais, Caterina Piras, Giovanni Melina, Cristina Ottaviani, Giampaolo Nicolais KEY FINDING: This systematic review found that heart rate variability biofeedback may enhance autonomic regulation, ease psychological distress, and in some cases shorten hospital stays for cardiac patients, while Mediterranean-style dietary patterns rich in omega-3 fatty acids showed potential to reduce inflammation and favorably modulate cardiovascular risk markers. SIGNIFICANCE: Evidence supporting these noninvasive approaches in postoperative rehabilitation and established cardiovascular disease remains limited, with considerable heterogeneity across studies. This review offers a structured map of where the evidence stands and where standardized protocols are still needed. Read the full study: https://link.springer.com/article/10.1007/s10484-025-09742-w 2. Does Biofeedback Make Meditation Apps Better at Building Body Awareness? Publication: Applied Psychophysiology and Biofeedback Authors: Konrad Rudnicki, Luna Schepers, Koen Rummens, Glen Joris, Karolien Poels KEY FINDING: In this randomized controlled trial of 105 meditation-naive participants, interoceptive accuracy improved in both the cardiac biofeedback-assisted meditation group and the standard app-based meditation group, but not in non-meditating controls. The accuracy gain was concentrated among participants who reported a positive user experience with their device. SIGNIFICANCE: The benefit of biofeedback-assisted meditation apps may depend as much on user experience design as on the underlying biofeedback mechanism itself, an important consideration for anyone recommending these tools to clients. Read the full study: https://link.springer.com/article/10.1007/s10484-025-09728-8 3. What Happens to Pilots' Hearts When the Guide Lights Go Dark Publication: Applied Psychophysiology and Biofeedback Authors: Chuang Liu, Chenyang Zhang, Wenbing Zhu, Shuaitao Jiao, Yu Zhang, Rongbing Xu, Yaowei Liang KEY FINDING: In simulated flights with sixteen cadet pilots, the absence of Precision Approach Path Indicator lights significantly increased mental workload, confirmed by both instructor ratings and heart rate variability measures including SDNN, CVNNI, minimum heart rate, and SD2 from Poincaré analysis.
245 total episodes available
Recent guests on Heart Rate Variability Podcast
Guests from recent episodes — sign up to see every guest that has ever appeared on this show.
Joshua Marchant
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Dr Aliyah Snyder
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Dr Nate Ewigman
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Dr Christine Sanchez
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Stephanie White
Guest
Dr Fred Shaffer
Guest
Dr Fredric Shaffer
Guest
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- What is Heart Rate Variability Podcast?
- How often does this podcast release new episodes?
This podcast updates daily.
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This podcast is available on 8 platforms including Apple Podcasts, Spotify, and more. You can also use the RSS feed directly.
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