Latest Episodes

Joshua Marchant talks about his HRV Research Comparing Popular Breathing Practices (Replay)
In this episode, Joshua Marchant joins Matt to discuss his research comparing how resonance frequency, square breathing, and 4-7-8 breathing impact heart rate variability....

Dr. Aliyah Snyder & Dr. Nate Ewigman talk About Psychophysiology Resilience Training (replay)
Dr. Aliyah Snyder & Dr. Nate Ewigman join Matt to discuss their Psychophysiology Resilience Training Model. Psychophysiology Resilience Training (PRT) is a 12-session, mindfulness-based...

Dr. Christine Sanchez talks HRV Biofeedback for Optimal Performance (Replay)
In this episode, Dr. Christine Sanchez joins Matt and Inna to discuss her work providing mental skills training and executive coaching to high-level performers...

Stephanie White discusses the difference between Coherence and Resonance Frequency Breathing (Replay)
In this episode, Stephanie White nerds out with Matt about the differences between two popular heart rate variability biofeedback forms: coherence and resonance frequency...

Dr. Fred Shaffer talks HRV Frequency Domains (Replay)
In this episode, Dr. Fred Shaffer returns to discuss the frequency domains of heart rate variability and what they tell us about the health...

Dr. Fred Shaffer discusses Time-Domain HRV Measures (Replay)
HRV nerds rejoice! Dr. Fred Shaffer, a friend of the show, returns to geek out about HRV time-domain measures. Fred and Matt deeply dive...