Show Notes
Strength means nothing if your nervous system never gets the signal to rest.
In this episode, I sit down with Dr. Abbie Smith-Ryan, exercise physiologist and professor at UNC Chapel Hill, to break down sympathetic versus parasympathetic states, why "central nervous system fatigue" shows up in athletes and high performers alike, and how recovery, not more output, is often the missing lever. We get into simple breathwork, the role of community and mindset in downregulation, and how nutrition, hydration, and hormones shape your capacity to handle stress at every life stage.
This isn't about doing less. It's about learning to periodize the push so you can sustain it.
What we explore: - Sprint-then-rest cycles, and why sustainable performance depends on both. - Sympathetic vs. parasympathetic states, explained in plain terms. - Diaphragmatic breathwork, the two-minute reset that works anywhere. - Burnout warning signs in high performers and athletes. - Recovery tech, from hyperbaric chambers to guided vibration therapy. - Hormones and midlife, and their direct impact on nervous system regulation.
Chapters:
00:00 What Is Proof of Practice With Gabby and Abbie 03:19 Why You Can't Sprint Forever Without Burning Out 05:29 Sympathetic vs Parasympathetic Nervous System Explained 07:47 How to Recognize Franticness Before It Takes Over 11:41 The Breathwork Trick: Belly First, Longer Exhale 18:12 Why Pushing Hard Without Recovery Backfires 25:03 Burnout Warning Signs in Athletes and High Performers 37:32 Inside the Hyperbaric Chamber and Shiftwave Chair Setup 44:29 Why Under-Eating Sabotages Cortisol and Recovery 47:41 Hydration, Supplements, and Microdosing After 50 54:39 How Hormones Affect Your Nervous System in Midlife 56:46 How to Regulate Your Nervous System Under Load
About Dr. Abby Smith-Ryan: Dr. Abbie Smith-Ryan is a professor of exercise physiology and nutrition at the University of North Carolina at Chapel Hill, where she directs the Applied Physiology Laboratory. Her research focuses on exercise and nutrition interventions for body composition, metabolism, and women's health across the lifespan, including perimenopause and menopause.
Connect with Dr. Abby Smith-Ryan: Website: http://asmithryan.com Instagram: https://www.instagram.com/asmithryan/
This episode is sponsored by:
TRUE NUTRITION: 👉 Get 20% off your first custom blend at truenutrition.com/GABBY with code GABBY
–
The Gabby Reece Show
This is where I have real conversations with the people I find most worth listening to: scientists, athletes, coaches, parents, and thinkers who are doing the hard work of building a life that holds up over time. No hacks. No quick fixes. Just honest, practical conversations about performance, longevity, relationships, and what it actually takes to show up well at every age.
If you are here, you probably already know that health is not a destination. It is how you live. I am glad you are along for it.
Connect with Gabby Reece:
Instagram: https://www.instagram.com/gabbyreece/ TikTok: https://www.tiktok.com/@gabbyreeceofficial Website: https://gabriellereece.com
Please note that this episode may contain paid endorsements and advertisements for products and services. Individuals on the show may have a direct or indirect financial interest in products or services referred to in this episode.
Produced by Dear Media. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit thegabbyreeceshow.substack.com
More from The Gabby Reece Show
Some days you haven't trained, haven't pushed, and still end the day wired and exhausted. What if the biggest drain on your energy is the voice in your head you keep mistaking for yourself? In this solo episode, I'm talking about the inner voice, the one that is you and isn't you. It's built to keep us safe, but in modern life it misfires constantly and drains energy meant for our people, our work, and our training. We cover the voices in your head, Byron Katie's four questions, and tools to separate a thought from a decision. This week, swap "I'm going to fail" for "I'm having the thought that I'm going to fail." Name it, check the facts, then choose your next move.
You can be strong, disciplined, and still spend every hour of the day braced for impact. What if the tightness you keep stretching isn't a mobility problem at all, but stress your body was never meant to carry?
I'm stoic by nature, yet this week my kids had me in tears twice and fantasizing about walking out the door. Being tired and stressed is the worst combination, and since your brain can't feel gratitude and fear at the same time, the real test is pulling the levers you already have when it counts.
You already know what would make you feel better, and you keep doing the opposite anyway. What if the fix isn't more willpower, but one small win and a new script running in your head?
After 50, your body starts to melt unless you give it a reason not to. It isn't rocket science, just the basics we tend to skip, done consistently.