Rebirthing
Breathwork.
Rebirthing Breathwork — also called Connected Circular Breathing (CCB) or Conscious Connected Breathing — is a continuous, uninterrupted breathing practice developed by Leonard Orr in the 1970s. It is known for producing strong emotional and physical releases.
This page provides an honest, evidence-informed overview — including what actually happens physiologically, where the evidence is credible, and the safety considerations that matter.
What Is Rebirthing Breathwork?
Rebirthing was developed by Leonard Orr in the early 1970s in the United States, initially through his own breathing experiments in hot baths. Orr proposed that continuous connected breathing could release suppressed memories, including birth trauma, and that the resulting emotional releases were therapeutic.
The core technique is the connected circular breath — inhaling and exhaling without pause between the two. The breath is continuous, uninterrupted, and often done with the mouth open. Sessions typically last 60–90 minutes and are facilitated one-to-one.
The term "rebirthing" reflects Orr's original belief that sessions could allow people to re-experience and resolve their birth experience. Later practitioners moved away from this framing — many now prefer "Conscious Connected Breathing" to avoid the loaded birth-memory interpretation.
What is actually
happening in the body?
The connected circular breath significantly increases breathing volume over time. This lowers CO₂ in the blood — a state called hypocapnia. The physiological consequences include altered blood pH, changes in nerve excitability, reduced cerebral blood flow, and changes to smooth muscle tone.
These shifts produce a range of sensations — tingling, warmth, altered perception, muscle cramps (tetany), emotional surges, and occasionally visual phenomena. These are well-documented physiological effects of sustained hyperventilation, not evidence of memory retrieval or spiritual processes.
The emotional releases that occur are real experiences — but the interpretation of their meaning (birth trauma, suppressed memories) is not scientifically validated.
Documented physiological effects
Hypocapnia
Sustained overbreathing lowers CO₂, shifting blood pH toward alkalinity. This affects nerve conduction and smooth muscle tone.
Tetany
Muscle cramps and rigidity — particularly in hands, feet, and face — are a direct effect of reduced CO₂. These are temporary and resolve when breathing normalises.
Reduced cerebral blood flow
Hypocapnia causes vasoconstriction in cerebral vessels, which can produce altered perception, visual disturbances, and dissociation.
Emotional activation
The altered physiological state can lower inhibitory thresholds, making suppressed emotional content more accessible — a real effect, though the mechanism differs from Orr's explanation.
What Happens During a Session
A traditional Rebirthing session unfolds across several phases, typically facilitated one-to-one.
Intake & Safety Screening
The facilitator reviews health history, contraindications, and sets a clear intention for the session. Not all practitioners are thorough here — a significant gap in safety standards across the field.
The Connected Breath
Continuous inhale-exhale cycles without pause. The client breathes in a way that is slightly fuller than normal but not forced. The facilitator guides rhythm and depth.
Build Phase
Over 20–40 minutes, CO₂ levels drop. Tingling, warmth, and physical sensations increase. Emotional content often begins to surface.
Peak & Release
Emotional or physical releases occur — crying, shaking, laughter, or stillness. The facilitator supports without directing interpretation.
Resolution
Breathing naturally slows and normalises. The client rests. Physiological sensations resolve as CO₂ returns to normal levels.
Integration
A period of rest and conversation. Good integration support is essential — abrupt endings without processing can leave sessions incomplete.
What is credible
- Physiological effects of hyperventilation are well documented
- Emotional catharsis is a real and commonly reported experience
- Some people report lasting shifts in emotional patterns
- One-to-one facilitation allows for safe monitoring
- Integration support is a sound therapeutic principle
What is not supported by evidence
- Birth memory retrieval is not scientifically validated
- Suppressed memory release through breathing lacks clinical evidence
- Orr's "immortality" framing has no scientific basis
- Formal clinical research on Rebirthing is very limited
- Certification standards vary widely — quality of practitioners is inconsistent
Safety Considerations
Rebirthing involves sustained hyperventilation. These are firm contraindications.
If seeking Rebirthing, choose a practitioner with demonstrable training, thorough intake screening, and clear integration support. Avoid practitioners who promise memory retrieval, cure specific conditions, or skip health screening.
How This Differs from BreathLab Sessions
Rebirthing uses sustained connected breathing that progressively lowers CO₂ to produce altered physiological and emotional states. BreathLab's approach moves in the opposite direction — building CO₂ tolerance, restoring nasal breathing, and reducing overbreathing.
BreathLab sessions are regulation-based, not altered-state-based. If you are specifically seeking connected circular breathing, seek a qualified Rebirthing practitioner. If you are looking for structured, science-informed breathing retraining in Brighton, a BreathLab session is more appropriate.
Rebirthing vs Holotropic Breathwork
Both use connected breathing. Holotropic tends to be more structured and psychologically framed.
| Feature | Rebirthing | Holotropic | |
|---|---|---|---|
| Founder | Leonard Orr | Stanislav & Christina Grof | |
| Duration | 60–90 mins | 2–3 hours | |
| Music | Optional | Structured music journey | |
| Theory | Birth trauma release | Transpersonal psychology | |
| Intensity | Moderate–High | Very High | |
| Group Format | Often 1:1 | Often group workshops |
Rebirthing Breathwork — Frequently Asked Questions
Common questions about Rebirthing, connected circular breathing, and emotional release.
No. Both use connected breathing but differ in structure, duration, psychological framing, and format. Rebirthing is often 1:1; Holotropic tends to be group-based.
Rebirthing Breathwork can be intense
if done incorrectly.
You don't need to guess your way through YouTube techniques. At BreathLab Brighton, experiences are adapted to your nervous system, screened for suitability, progressed safely, and monitored throughout the session.
- Individually screened before your first session
- Adapted to your nervous system baseline
- Progressed at the right pace for you
- Monitored throughout by Feodor Kouznetsov
- No guesswork — structured from the start
Breathwork can influence physiology quickly. That is why supervision, screening and correct pacing matter.
Supervised by Feodor Kouznetsov · BreathLab Brighton, East Sussex · Structured. Supervised. Science-informed.
Feodor Kouznetsov
Founder · BreathLab Brighton
Feodor developed the Formula.Life breathing method after years of working with clients experiencing ADHD, anxiety, OCD, and chronic overbreathing. His approach is grounded in physiology, not mysticism — structured, supervised, and individually adapted.
Founder
BreathLab Brighton
Creator
Formula.Life Method
Certified
Buteyko Method Instructor
Author
"Let's Get Some Air"
10+ Years
Breathwork experience
"Breathwork can influence physiology quickly. That is why supervision, screening and correct pacing matter."
— Feodor Kouznetsov, BreathLab Brighton
Breathwork can influence physiology quickly. That is why supervision, screening and correct pacing matter. At BreathLab Brighton, every session is structured, supervised by Feodor Kouznetsov, and individually adapted.