21-Day Nervous System Tune-Up by Irene Lyon

What This Course Delivers

The 21-Day Nervous System Tune-Up is a self-study online training program by Irene Lyon, a certified Somatic Experiencing Practitioner and Feldenkrais Practitioner with a Master's degree in Biomedical and Health Science. The program blends neuroscience education with neurosensory exercises designed to help participants understand their autonomic nervous system, release stored survival stress, and build nervous system regulation capacity. Includes 40 video lessons, 67 downloadable PDFs, 14 audio exercises, and over 8 hours of content totaling 2.15 GB.

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Course Contents at a Glance

🎬 40 Video Lessons — Over 8 hours of instruction

📕 67 PDF Resources — Lesson transcripts, slide decks, workbooks, and checklists

🎵 14 Audio Files — Guided neurosensory exercises and soothing music

💾 Total Download: 2.15 GB

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What You Will Master in 21-Day Nervous System Tune-Up

✅ How to use orienting — a foundational Somatic Experiencing technique — to ground your attention in the present environment and shift your nervous system out of stress activation

✅ The science behind the autonomic nervous system (ANS), including how sympathetic and parasympathetic branches regulate your body's stress and rest responses

✅ Body scanning practices that build interoceptive awareness, teaching you to notice subtle physical sensations tied to stress patterns

✅ The biology of toxic and accumulated stress through Irene Lyon's five-part “Biology of Stress” video series, explaining how unresolved survival stress creates chronic illness

✅ Vagus nerve function and its role in regulating digestion, heart rate, and emotional states — including practical exercises to stimulate vagal tone

✅ Neuroplasticity principles drawn from Feldenkrais methodology, showing how the brain can rewire long-standing stress patterns through slow, deliberate sensory-motor learning

✅ The “containment and self-hold” technique for self-soothing during emotional overwhelm without suppressing what the body needs to process

✅ How to identify and work with pain signals through the “befriending your pain” and “finding the painful and the pleasant” exercises

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Who Is 21-Day Nervous System Tune-Up Designed For?

• The Chronically Overwhelmed — You experience persistent anxiety, digestive issues, or insomnia and have tried meditation apps, breathing exercises, and talk therapy without lasting relief. This program teaches nervous system regulation from the biology up, starting with the autonomic nervous system fundamentals in the Day 2 and Day 9 lessons on ANS 101 and Vagus Nerve 101.

• The Trauma-Aware Beginner — You suspect that unresolved childhood or developmental trauma is affecting your health, but you are not ready for intensive therapy. The 21-Day Tune-Up serves as a guided introduction to somatic awareness practices at a pace designed for self-study, with built-in integration days.

• The Health Practitioner Exploring Somatic Work — You are a therapist, coach, yoga teacher, or bodyworker who wants to understand nervous system science before committing to Irene Lyon's advanced 12-week SmartBody SmartMind program. The Biology of Stress video series and Feldenkrais-based exercises provide a professional-grade foundation.

• The Chronic Pain or Illness Navigator — You deal with autoimmune conditions, IBS, chronic fatigue, or persistent pain that conventional medicine has not fully resolved. The program's five-part Biology of Stress series explains the connection between stored survival stress and chronic symptoms, while the daily neurosensory exercises offer a concrete self-regulation toolkit.

• The Burned-Out Professional — You function at a high level but notice diminishing focus, energy crashes, and difficulty unwinding. Day 4's “Build Capacity and De-Stress Daily” lesson and Practice Tip 3 on “Building Capacity with Chaos” directly address rebuilding nervous system resilience under ongoing demand.

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Full Curriculum Breakdown

Welcome and Foundation

This opening section introduces the program structure, provides a quick-start guide, and includes crisis resources for participants who may encounter intense activation during the course.

• Welcome & Quick Guide to the 21 Days
• In Crisis? (Safety resources)
• 21-Day Checklist

Day 1: The Power of Orienting

The course begins with orienting — a core Somatic Experiencing practice for directing sensory attention to the environment as a way to signal safety to the nervous system.

• Lesson Video: The Power of Orienting
• Audio: Intro to Basic Orientation
• Audio: Mini Basic Orienting
• 📕 Lesson transcript and PDF resources

Day 2: Autonomic Nervous System 101

A foundational neuroscience lesson covering sympathetic and parasympathetic branches, the fight-flight-freeze response, and how dysregulation manifests in the body.

• Lesson Video: ANS 101
• Biology of Stress Video One (slide deck included)
• 📕 Lesson transcript, Biology of Stress slides

Day 3: Practicing Body Scanning and Orienting

Hands-on practice combining body scanning with orienting to develop interoceptive awareness.

• Lesson Video: Practice Orienting and Body Scan
• Audio: Basic Orienting (extended)
• 📕 Lesson transcript and PDF resources

Day 4: Build Capacity and De-Stress Daily

A longer instructional session (approximately 24 minutes) focused on building daily nervous system capacity and sustainable de-stress practices.

• Lesson Video: Build Capacity and De-Stress Daily
• 7 Steps to De-Stress (PDF guide)
• 4 Steps to Calm Overwhelm (PDF guide)
• 📕 Lesson transcript and PDF resources

Day 5: Follow Your Impulse

Introduces impulse-following — learning to track and honor the body's natural movement urges as a pathway to releasing stored tension.

• Lesson Video: Follow Your Impulse
• Bonus Video: Learn How to Listen to Your Cells & Follow Your Impulse (with Irene Lyon)
• Audio: Follow Your Impulse (guided exercise)
• 📕 Lesson transcript and PDF resources

Day 6: African Safari Time

A creative exercise using the metaphor of animal awareness to cultivate environmental attentiveness and nervous system alertness.

• Lesson Video: African Safari Time
• Biology of Stress Video Two: African Safari (2024 updated version, slide deck included)
• 📕 Lesson transcript, Biology of Stress slides

Day 7: Introduction to Neuroplasticity and Feldenkraisian Learning

Explains how neuroplasticity works and introduces Feldenkrais-based functional movement principles for rewiring the nervous system.

• Lesson Video: Intro to Feldenkrais and Neuroplastic Healing
• Bonus Video: How to Harness the Power of Neuroplasticity — A Train Track Metaphor
• Bonus Video: Crawling — Feldenkrais with Baby Liv
• 📕 Lesson transcript and PDF resources

Day 8: Finding Potent Posture

Teaches “potent posture” — a Feldenkrais-informed approach to alignment that supports nervous system regulation through structural awareness.

• Lesson Video: Finding Potent Posture
• Audio: Introduction to Potent Posture
• Audio: Potent Posture (extended guided practice)
• 📕 Lesson transcript and PDF resources

Day 9: Vagus Nerve 101

A focused lesson on vagus nerve anatomy, function, and its role in the parasympathetic “rest and digest” response.

• Lesson Video: Vagus Nerve 101
• Biology of Stress Video Three (slide deck included)
• Audio: Vagus Nerve 101 (full-length audio)
• 📕 Lesson transcript, Biology of Stress slides

Day 10: Sleepiness, Rest, and Neuroplasticity

Explores the relationship between rest, nervous system recovery, and the brain's capacity for neuroplastic change.

• Lesson Video: Sleepiness, Rest, and Neuroplasticity
• 📕 Lesson transcript and PDF resources

Day 11: Multi-Tasking Awareness

Examines how chronic multi-tasking fragments nervous system attention and teaches single-focus awareness practices.

• Lesson Video: Multi-Tasking Awareness
• Audio: Multi-Tasking Awareness (guided exercise)
• 📕 Lesson transcript and PDF resources

Day 12: Integration Day — Choose Your Own Adventure

A dedicated rest and integration day where participants revisit any previous exercises that resonated most.

• Lesson Video: Integration Day
• 📕 Lesson transcript and PDF resources

Day 13: Mini Balance Your Back

A Feldenkrais-based movement lesson targeting spinal awareness and back tension release.

• Lesson Video: Mini Balance Your Back
• Audio: Mini Balance Your Back (extended audio exercise)
• 📕 Lesson transcript and PDF resources

Day 14: Toxic and Accumulated Stress

Examines how stress accumulates over a lifetime and manifests as chronic physical symptoms when left unprocessed.

• Lesson Video: How Toxic Stress Shows Up in the Body
• Biology of Stress Video Four (slide deck included)
• Bonus Video: How Stored Up Traumatic (Toxic) Stress Creates Chronic Illness
• 📕 Lesson transcript, Biology of Stress slides

Day 15: Tense and Relax

A guided somatic exercise using deliberate muscle tension and release to teach the nervous system the difference between activation and rest.

• Lesson Video: Tense and Relax
• Audio: In Sitting — Tense and Relax
• 📕 Lesson transcript and PDF resources

Day 16: Containment and the Self-Hold

Introduces a self-soothing containment technique using physical touch (the “self-hold”) for managing emotional activation.

• Lesson Video: Containment and Self-Soothe
• Audio: Containment and Self-Hold (guided exercise)
• 📕 Lesson transcript and PDF resources

Day 17: Healing Our Human Predicament

A longer session (approximately 12 minutes) addressing the broader context of human suffering and healing through nervous system awareness.

• Lesson Video: Healing Our Human Predicament
• Biology of Stress Video Five (slide deck included)
• Bonus Video: The Health of Our Planet Starts Here — A Healthy Rant via Irene Lyon
• Bonus Video: We Complicate Humanity — A Simple Analogy for Global Healing
• 📕 Lesson transcript, Biology of Stress slides

Day 18: Sounds, Sighs, and Silliness (Follow Your Impulse Part 2)

Builds on the Day 5 impulse work, using vocalization, sighing, and playful expression to release stored tension through the voice.

• Lesson Video: Sounds, Sighs, and Silliness
• 📕 Lesson transcript and PDF resources

Day 19: Befriending Your Pain

Teaches a practice for relating to pain signals with curiosity rather than avoidance, using somatic awareness to change the relationship with chronic discomfort.

• Lesson Video: Befriending Your Pain
• 📕 Lesson transcript and PDF resources

Day 20: Finding the Painful and the Pleasant

A guided practice for noticing both pain and pleasure simultaneously, building the nervous system's capacity to hold complexity.

• Lesson Video: Finding the Painful and the Pleasant
• Audio: In Sitting — Finding the Painful and the Pleasant (guided exercise)
• 📕 Lesson transcript and PDF resources

Day 21: Global and Local Healing — Your Mission

The final lesson connects personal nervous system healing to broader community and global wellbeing, providing a framework for continuing the work beyond the 21 days.

• Lesson Video: Global and Local Healing — Your Mission
• Audio: Global and Local Healing (extended audio)
• Bonus Video: Universe Size Comparison — Cosmic Eye (perspective exercise)
• Bonus Video: Wasting Time? Sharing a Swallow
• 📕 Lesson transcript and PDF resources

Bonus: Practice Tips

Four post-course video tips designed to sustain and deepen the practices learned during the 21 days.

• Practice Tip 1: Rituals, Routines, and Relaxation
• Practice Tip 2: Dynamic Potent Posture
• Practice Tip 3: Building Capacity with Chaos
• Practice Tip 4: Feeling All the Feels
• 📕 PDF guides for each practice tip

Bonus: Healthy Shame Video

• Why Healthy Shame Is Good for Us and Toxic Shame Is Not (approximately 15-minute video)

Additional Resources

• Book Recommendations (curated reading list)
• Soothing Music (original composition by Seth Lyon)
• 7 Steps to De-Stress (illustrated PDF guide, 2018 edition)

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Included Bonuses

✅ Biology of Stress Video Series (5 Videos) — A five-part educational video series with accompanying slide decks, covering how survival stress accumulates in the body, the African Safari awareness metaphor, vagus nerve science, toxic stress manifestation, and the human healing predicament. These are drawn from Irene Lyon's deeper SmartBody SmartMind curriculum.

✅ 4 Post-Course Practice Tips (Videos + PDFs) — Four standalone video lessons with PDF guides covering rituals and routines, dynamic potent posture, building capacity with chaos, and feeling all the feels — designed to extend the program's benefits well beyond the initial 21 days.

✅ Soothing Music by Seth Lyon — An original musical composition for use during exercises and daily relaxation.

✅ 7 Steps to De-Stress Guide — An illustrated PDF resource with a structured approach to daily stress reduction.

✅ 4 Steps to Calm Overwhelm — A quick-reference PDF for managing acute nervous system activation.

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About Irene Lyon

Irene Lyon is a nervous system educator, certified Somatic Experiencing Practitioner, and certified Feldenkrais Practitioner based in British Columbia, Canada. She holds a Bachelor of Science in Exercise and Health Science from Simon Fraser University and a Master's degree in Biomedical and Health Science Research from the University of Wollongong in Australia. Her training spans the modalities of three key mentors: she studied directly under Dr. Peter Levine (founder of Somatic Experiencing), completed a four-year Feldenkrais Teacher Training Program under Jeffrey Haller (who trained under Moshe Feldenkrais himself in the early 1980s), and undertook Touch Skills and Somatic Resilience training with Kathy Kain and Stephen Terrell.

Lyon was the first professional in the Somatic Experiencing and Feldenkrais fields to create a comprehensive online course teaching self-directed nervous system healing. Her online programs have reached close to 25,000 participants across over 90 countries.

Verified Credentials:

✅ Master's degree in Biomedical and Health Science Research — University of Wollongong, Australia

✅ Bachelor of Science in Exercise and Health Science — Simon Fraser University, Canada

✅ Certified Somatic Experiencing Practitioner, trained under Dr. Peter Levine

✅ Certified Feldenkrais Practitioner — four-year Professional Training under Jeffrey Haller

✅ Somatic Practice training (Touch Skills + Somatic Resilience) under Kathy Kain and Stephen Terrell

✅ Online programs reaching approximately 25,000 participants in over 90 countries

✅ YouTube channel with over 184,000 subscribers focused on nervous system education

✅ Creator of SmartBody SmartMind (SBSM), a 12-week advanced nervous system rewire program

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What Problems Does 21-Day Nervous System Tune-Up Solve?

“I have chronic anxiety and nothing I try — meditation, breathing apps, therapy — seems to make it stick.” — The 21-Day Tune-Up approaches anxiety from the autonomic nervous system level rather than the cognitive level. Day 2's ANS 101 lesson explains why top-down techniques fail when the nervous system is stuck in a survival loop, while the daily neurosensory exercises (orienting, body scanning, containment) train bottom-up regulation that addresses the physiological root.

“I have persistent digestive issues, insomnia, or autoimmune flare-ups that doctors cannot fully explain.” — The five-part Biology of Stress video series maps out exactly how unresolved survival stress creates chronic physical symptoms. Day 14's lesson on toxic and accumulated stress explains the mechanism, and the daily somatic exercises provide a starting point for processing what the body has been holding.

“I know I have unresolved trauma from childhood but I am not ready for intensive therapy.” — The program is explicitly designed as educational, not therapeutic. It teaches self-paced awareness practices (orienting, body scanning, the self-hold containment technique) that build nervous system capacity gradually. The integration day on Day 12 provides a built-in pause for processing.

“I work in a healing profession and want to understand nervous system science before investing in advanced training.” — The Biology of Stress series, Vagus Nerve 101, and neuroplasticity lessons provide a science-backed foundation. The 21-Day Tune-Up feeds directly into Irene Lyon's advanced SmartBody SmartMind program, with full upgrade credit toward SBSM enrollment.

“I feel disconnected from my body — I can't tell when I'm stressed until I'm already in shutdown or panic.” — Day 1's orienting practice and Day 3's body scanning exercises build interoceptive awareness — the ability to detect internal body signals before they escalate.

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What Makes 21-Day Nervous System Tune-Up Different from Other Wellness Courses

Bottom-Up Neuroscience, Not Top-Down Mindset Work — Most stress management programs focus on cognitive reframing or positive thinking. The 21-Day Tune-Up works at the autonomic nervous system level using Somatic Experiencing and Feldenkrais-derived exercises. The approach targets the brainstem and vagus nerve rather than the prefrontal cortex, addressing dysregulation at its biological source.

Three Modalities Integrated into One Curriculum — The program weaves together Somatic Experiencing (from Peter Levine's trauma resolution work), the Feldenkrais Method (sensory-motor neuroplasticity), and Somatic Practice (from Kathy Kain's touch-based approach). This combination of body-based modalities in a single structured program reflects Irene Lyon's unique cross-training across all three disciplines.

Daily Structured Progression with Built-In Integration — Rather than offering a library of exercises to use at random, the program sequences each day's lesson to build on the previous one. Day 12 is a deliberate integration pause. The four post-course Practice Tips provide a transition framework for continuing the work independently after the 21 days conclude.

Educational Entry Point with Advanced Pathway — The 21-Day Tune-Up serves as the foundation level of Irene Lyon's training ecosystem. Participants who complete it receive full tuition credit toward the 12-week SmartBody SmartMind program, making it a low-risk starting point for those considering deeper nervous system work.

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Frequently Asked Questions About 21-Day Nervous System Tune-Up

What is the 21-Day Nervous System Tune-Up about?

The 21-Day Nervous System Tune-Up is a self-study online program that teaches nervous system regulation through neuroscience education and somatic exercises. Created by Irene Lyon, the course combines Somatic Experiencing principles, Feldenkrais movement practices, and vagus nerve science to help participants understand and work with their autonomic nervous system. The goal is to build the body's capacity to process stored survival stress that contributes to chronic physical and emotional symptoms.

Who created the 21-Day Nervous System Tune-Up?

Irene Lyon created the 21-Day Nervous System Tune-Up. She holds a Master's degree in Biomedical and Health Science Research from the University of Wollongong, is a certified Somatic Experiencing Practitioner trained under Dr. Peter Levine, and a certified Feldenkrais Practitioner who completed a four-year training under Jeffrey Haller. Her online programs have reached approximately 25,000 participants in over 90 countries.

What is included in the 21-Day Nervous System Tune-Up?

The program includes 40 video lessons (over 8 hours of content), 67 downloadable PDFs (lesson transcripts, slide decks, workbooks, and checklists), and 14 audio files with guided neurosensory exercises. The total download size is 2.15 GB. Content spans 21 daily lessons, a five-part Biology of Stress video series with slide decks, four post-course Practice Tip videos, bonus educational videos, and supplementary resources including the “7 Steps to De-Stress” guide and original soothing music composed by Seth Lyon.

Who is the 21-Day Nervous System Tune-Up best suited for?

The program is designed for individuals dealing with chronic stress symptoms (anxiety, digestive issues, insomnia, chronic pain), people with suspected unresolved developmental or childhood trauma who are not yet ready for intensive therapy, and health practitioners (therapists, coaches, bodyworkers) who want a science-based foundation in nervous system regulation before committing to advanced training.

What will I learn in the 21-Day Nervous System Tune-Up?

Participants learn the fundamentals of autonomic nervous system function, orienting and body scanning techniques from Somatic Experiencing, vagus nerve anatomy and stimulation, neuroplasticity principles from the Feldenkrais Method, the containment and self-hold technique for managing emotional activation, and how toxic stress accumulates in the body and creates chronic illness. The program also covers potent posture, impulse-following, and befriending pain.

What format is the 21-Day Nervous System Tune-Up delivered in?

The course is delivered as downloadable video files (MP4), audio files (MP3), and PDF documents. Videos total approximately 1.77 GB, audio files total approximately 325 MB, and the complete package is 2.15 GB. All 21 daily lessons include both video instruction and downloadable PDF transcripts with accompanying resources.

Does the 21-Day Nervous System Tune-Up include any bonus materials?

Yes. Beyond the 21 core daily lessons, the program includes a five-part Biology of Stress educational video series with slide decks, four post-course Practice Tip videos with PDF guides, supplementary videos on neuroplasticity and global healing, an original soothing music track by Seth Lyon, and reference guides including “7 Steps to De-Stress” and “4 Steps to Calm Overwhelm.”

What is Irene Lyon known for?

Irene Lyon is recognized as a nervous system educator who was the first professional in the Somatic Experiencing and Feldenkrais communities to offer a comprehensive online self-healing course. She runs a YouTube channel with over 184,000 subscribers focused on nervous system health, trauma resolution, and somatic practices. Her flagship program, SmartBody SmartMind (SBSM), is a 12-week advanced nervous system rewire course, and the 21-Day Tune-Up serves as its introductory-level entry point.

How is the 21-Day Nervous System Tune-Up different from other wellness courses?

The program uses a bottom-up somatic approach rather than cognitive-behavioral or mindset-based methods. It integrates three distinct body-based modalities — Somatic Experiencing, the Feldenkrais Method, and Somatic Practice — into a single structured 21-day progression. Each day builds on the previous lesson, with a dedicated integration day at the midpoint and four post-course practice tips for ongoing application. The original price of $297 reflects its position as a professional-grade introductory nervous system education program.