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I'm Aeryn O'Halloran, chronic illness survivor and certified mind/body practitioner. My work blends neuroscience, somatic practices, and polyvagal-informed education with my own lived experience of chronic illness and trauma. No quick fixes. No forcing. No pushing your system past its capacity. Just support, practical tools, and a path that honors your body's pace.

MEET YOUR INSTRUCTOR //

Holistic support for chronic illness and autoimmune conditions. Learn strategies that can ease the burden of chronic and autoimmune symptoms with simple, evidence-informed tools that work alongside your medical care to support your body’s natural recovery processes.
Resonant Body™ offers online programs, one-on-one guidance, and community support.

Resonant Body™ offers a holistic, evidence-informed approach to nervous system support for people living with chronic illness and autoimmune conditions who haven’t responded to conventional interventions. This program is intended for those who have already tried multiple interventions, yet still feel stuck. Rather than adding more effort, Resonant Body focuses on restoring biological safety and nervous system regulation, so the body can more effectively engage with the care it is already receiving.

A place for holistic chronic illness and autoimmune remission.

A science-backed path for sensitive, overwhelmed bodies to find safety, clarity, and sustainable recovery.

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The Resonant Body™ Approach

Sensory Modulation Techniques

Foundational Nutrition

Holistic Health Principles

to support nervous system regulation and encourage healthy neuroplasticity.

to support gut health, energy production, & cellular function.

to support better sleep, lifestyle alignment with natural rhythms, gentle detox, lymphatic flow, & more.

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You’ll learn how stress patterns shape your physiology, how safety influences your biology, and how simple, repeatable practices can help your body shift out of survival mode and into a more balanced state. This approach blends trauma-informed neuroscience, somatic techniques, and holistic health principles, informed by both training and personal experience. Designed for sensitive bodies that need gentleness, clarity, and a realistic path forward.

The Resonant Body™ Approach

Sensory Modulation Techniques

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Sensory modulation is especially important if you live with POTS/dysautonomia, ME/CFS, Lyme disease, MCAS, autoimmunity, anxiety disorders, or trauma-related challenges — all conditions where the nervous system becomes easily overwhelmed and reactive.

When sensory processing is dysregulated, your system stays stuck in survival mode, which can amplify symptoms like fatigue, dizziness, breathlessness, pain, nausea, overwhelm, and anxiety.

Sensory modulation is especially important if you live with POTS/dysautonomia, ME/CFS, Lyme disease, MCAS, autoimmunity, anxiety disorders, or trauma-related challenges — all conditions where the nervous system becomes easily overwhelmed and reactive.

When sensory processing is dysregulated, your system stays stuck in survival mode, which can amplify symptoms like fatigue, dizziness, breathlessness, pain, nausea, overwhelm, and anxiety.

Sensory modulation techniques use gentle, specific inputs to help your body respond more appropriately, stabilize energy, reduce unnecessary activation, and strengthen the neural pathways that support healthy autonomic function. Over time, these techniques build flexibility, capacity, and resilience, allowing your system to respond to life with greater steadiness and less symptom reactivity.

Ultimately, sensory modulation supports long-term nervous system adaptability and healing, improving daily functioning and quality of life.

Sensory modulation techniques use gentle, specific inputs to help your body respond more appropriately, stabilize energy, reduce unnecessary activation, and strengthen the neural pathways that support healthy autonomic function. Over time, these techniques build flexibility, capacity, and resilience, allowing your system to respond to life with greater steadiness and less symptom reactivity.

Ultimately, sensory modulation supports long-term nervous system adaptability and regulation, helping you move through daily life with more ease and stability.

The Resonant Body™ Approach

Foundational Nutrition

Proper nourishment is especially supportive for people navigating chronic illness, dysautonomia, chronic fatigue, autoimmune conditions, or high inflammatory load. Your body needs consistent building blocks to support cellular processes, hormone regulation, immune resilience, and overall stability.

Foundational nutrition inside Resonant Body focuses on gentle nourishment that supports mitochondrial function, gut integrity, and reducing histamine or inflammatory load when needed.

You’ll learn simple principles that support steadier energy, clearer thinking, and a more supported system — without restriction or complicated protocols.

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The Resonant Body™ Approach

Holistic Health Principles

Supporting chronic conditions requires a whole-body approach. Holistic health principles help regulate circadian rhythms, encourage more restorative sleep, support lymphatic and detox pathways, lower overall stress and inflammatory load, and align your lifestyle with your nervous system’s actual capacity.

Combined with nervous system work and foundational nutrition, these practices support a more sustainable, long-term path toward fewer flares, and a body that feels more regulated and resilient.

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— Lillian I. // Program Alumni

“I was having a massive range of symptoms like weight gain, pain, fatigue, brain fog, heart palpitations, panic attacks, etc and I decided I was completely over it. Aeryn gently guided me and gave me resource after resource on things to help and changes to make. Over the course of us working together it took a lot of dedication and patience but the results started to show up and stay. The storm has finally passed and I’m ready to take on life again.”