Julie Imbard
The Science of Breath
Not just calm. A genuine reconfiguration of your nervous system — using CO₂ tolerance, vagal activation, and somatic release.
3Core mechanisms
5Session steps
4Programmes
1Tool you already own
What happens in the body
The science behind each session
Vagus Nerve
Vagal Activation → Heart-Brain Coherence
Slow, conscious breathing directly stimulates vagal tone — shifting the nervous system from sympathetic activation (fight/flight) to parasympathetic regulation (rest/restore). Heart-brain coherence follows within minutes.
CO₂ & The Bohr Effect
CO₂ Training → Oxygen Delivery & Clarity
Counter-intuitively, more CO₂ means more oxygen delivered to the brain. The Bohr Effect: haemoglobin releases oxygen more readily when CO₂ rises. We train your tolerance — so your brain operates more clearly under pressure.
Brainwaves
Alpha & Theta States → Deep Repair
Breathwork induces measurable shifts in brainwave activity. Alpha and Theta dominance create windows of neuroplasticity where new patterns can form and anchor with regular practice.
Somatic Release
Stored Patterns → Tissue Release
Trauma lives as physical tension. Conscious breathing accesses these patterns directly, facilitating release at a physiological level that talking cannot reach.
The breath is the only autonomic function you can consciously control — making it the most direct path into the nervous system.
Session flow
What to expect
1
Nervous system assessmentReading your baseline state before we begin
2
Guided breath rhythms & holdsCO₂ tolerance training and vagal activation
3
Sound integrationEntraining the nervous system through frequency
4
Gentle somatic groundingAnchoring the shift in the body
5
Take-home protocolTools to integrate the work between sessions
Who this is for
Leaders under pressureHigh performance, chronic stress, decision fatigue
Teams & creativesBurnout, creative blocks, nervous system dysregulation
Anxiety & sleep issuesChronic stress, insomnia, emotional reactivity
Post-separation supportNervous system reconfiguration after major transition
Freedivers & spearfishersCO₂ tolerance, apnea protocol, performance under depth
Trauma & stuck patternsWhat therapy has named but not fully shifted
Not sure where to start?
Book a free 20-min discovery call — no commitment.
We'll talk about where you are and whether this work is right for you.
Programmes
Choose your entry point
First session
Breath Reset
Your first session
~2h · In person only
€200
A full introduction to the Alchemy:Rewire method. Nervous system assessment, guided breathwork, sound integration and a take-home protocol. The starting point for all deeper work.
1:1
Paris · London
Book your Breath Reset
Build capacity
Rewire Series
Build capacity & anchor new habits
1 × 90–120 min + 3 × 90 min · In person
€750
Four sessions designed to progressively build CO₂ tolerance, establish nervous system patterns, and create lasting change. The minimum commitment for structural reconfiguration.
1:1
Most popular
Book this series
Deep transformation
Anchor Journey
Deep transformation
1 × 90–120 min + 7 × 90 min · In person
€1,400
A complete reconfiguration of nervous system patterns. Eight sessions with progressive depth, integration protocols and full take-home practice. For those ready for genuine, lasting change.
1:1
Most comprehensive
Begin your journey
Groups & corporate
Group & Event Journeys
~2h on site
~2h · On site · Paris & London
Breathwork sessions for teams, corporate wellbeing programmes, retreats and private events. Adaptable to your group size and objectives.
Group
Corporate
Retreat
Discuss your event