If you’ve been curious about hyperbaric oxygen therapy (HBOT) and how to use it safely and effectively, you’re not alone. Even biohacking legend Dave Asprey, the “Father of Biohacking” and founder of Bulletproof, had lingering questions after nearly two decades of using HBOT himself. In a compelling session hosted at his Biohacking Conference, Dave sat down with HBOT expert Dr. Jason Sonners of HBOT USA to get clarity on how to optimize HBOT for cognitive function, longevity, recovery, and more.
Whether you’re new to HBOT or a seasoned pro considering investing in your own chamber, here’s what you need to know straight from their deep-dive conversation—plus how you can get started confidently.
HBOT Basics: Why It’s Not Just About More Oxygen
At its core, hyperbaric oxygen therapy is about increasing the amount of oxygen your body can absorb, not just through your lungs, but at the cellular and mitochondrial level. This is achieved by combining higher atmospheric pressure with concentrated oxygen, creating an environment that stimulates deeper physiological responses.
But as Dr. Sonners makes clear, it’s not just about pressure or oxygen alone—it’s about the protocol.
Soft vs. Hard Chambers: Which One Should You Use?
One of Dave’s top questions was whether soft chambers (typically lower pressure, more portable) are as effective as hard chambers (clinic-grade, higher pressure).
Dr. Sonners’ Answer: It depends on your goal.
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Soft chambers (1.3 ATA) are effective for general wellness, recovery, and nervous system regulation.
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Hard chambers (1.5–2.0+ ATA) are more impactful when targeting neurological, vascular, or immune system challenges, or when trying to influence epigenetics.
👉 If you’re just getting started and want to support general performance and recovery, a soft chamber is a good entry point.
👉 For more advanced goals—like cognitive enhancement, mitochondrial support, or mold recovery—a hard chamber might be necessary.
The Minimum Effective Dose (MED) Myth
Another critical insight from Dr. Sonners? The “more is better” mindset doesn’t always apply to HBOT.
Many first-time users think one or two sessions will be enough to see results. In reality, HBOT follows a dose-response curve, and a single session may feel relaxing but won’t drive systemic change.
So what’s the minimum effective dose?
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For wellness or cognitive clarity, 10–20 sessions may begin to show measurable benefits.
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For deeper transformation (detox, mitochondrial support, or mold recovery): 30–40 sessions, sometimes stacked closely together, may be more effective.
⏱️ Frequency also matters. While daily sessions can be great short term, longer spacing (2–3 times per week) may help your body integrate the changes more effectively over time.
Can You Sleep in an HBOT Chamber?
Yes—you technically can. But should you?
According to Dr. Sonners, sleeping in a chamber isn’t harmful for most people, but it’s not necessarily the best way to use it. The goal of HBOT is to create a controlled, measurable stressor. Long exposure (like sleeping) may dull that stress-response signal.
✅ Instead, Dr. Sonners recommends focused, shorter sessions that are easier to measure, stack, and adjust for your specific wellness goals.
What to Do Before HBOT: The Ideal “Pre-Stack”
One of Dave’s favorite topics is stacking—layering biohacks for synergistic results.
So, what should you do before stepping into an HBOT chamber?
Dr. Sonners recommends optimizing:
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Hydration (electrolytes matter!)
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Antioxidants (like glutathione or vitamin C)
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Mitochondrial activators (like NAD+ or CoQ10)
Why? Because HBOT creates a burst of oxygen that can drive oxidative stress—in a good way. Having a solid antioxidant base allows your body to respond and rebuild more efficiently.
Want to maximize the benefits? Combine HBOT with other tools like red light therapy, cryotherapy, or PEMF—but always do so under guidance.
HBOT and Your Epigenetics: Why Pressure Matters
Perhaps the most fascinating part of the conversation: how different pressures activate completely different cellular responses.
Think of pressure as a volume dial:
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Lower pressures (around 1.3 ATA) may calm inflammation and modulate immune function.
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Higher pressures (1.5–2.0 ATA) may stimulate stem cells, mitochondrial biogenesis, and gene expression tied to repair and regeneration.
Dave was especially intrigued by this concept. It’s not just “HBOT works”—it’s how you use it that determines what happens biologically.
HBOT for Mold Recovery, Brain Fog & Longevity
Dr. Sonners also shared his experience using HBOT protocols for:
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Cognitive optimization and neuroplasticity
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Detox support, especially for mold-sensitive individuals
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Long-term performance and resilience, including immune support and anti-aging pathways
Many users with chronic exposure to environmental toxins (like mold or heavy metals) report improved clarity and energy after a customized HBOT protocol.
For high performers like Dave Asprey, HBOT is part of a longevity stack—used regularly to support brain function, energy levels, and biological age.
Thinking of Buying an HBOT Chamber?
If you’re considering purchasing a chamber for home use, Dr. Sonners recommends:
✅ Start with education: Take the HBOT Basics Course
✅ Understand your goals and match the chamber to your needs
✅ Work with experts who can help you create the right protocol
✅ Consider rentals before investing fully
You can also get certified or explore practitioner-focused courses at HBOT USA.
How to Get Started with HBOT—The Smart Way
If you’re serious about making HBOT part of your wellness or performance journey, here are some trusted starting points:
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🎓 New to HBOT? Enroll in the beginner course here: www.thehbotcourse.com/bht
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📘 Want to go deeper? Read Oxygen Under Pressure by Dr. Sonners → Available on Amazon
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💼 Are you a health practitioner? Get the FREE HBOT eBook
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📦 Ready to purchase or rent a chamber? Reach out to the HBOT USA team at support@hbotusa.com or call 833-620-8100
Final Thoughts: Your HBOT Protocol Should Be as Unique as You Are
The conversation between Dave Asprey and Dr. Jason Sonners is a masterclass in personalized, informed biohacking. There’s no one-size-fits-all approach to HBOT—and that’s a good thing.
Whether you’re chasing peak performance, cognitive clarity, or long-term resilience, hyperbaric oxygen therapy has something to offer—if you know how to use it right.
Ready to dive in?
Start with the basics, build a thoughtful protocol, and partner with people who’ve done it right—like Dr. Sonners and the team at HBOT USA.
For more information about HBOT, call 833-620-8100 or find an Oxygen therapy clinic near you.



