Introducing
Oxygen | Shift
Science-backed personalized breathwork for health, sleep, and performance.
Lindsey Teaching With James Nestor

Why Breathwork?
Your Breath Affects Everything
Most adults breathe in ways that limit health, disrupt sleep, and reduce performance. Breathwork restores balance, resilience, and control.
Health
Problem: Asthma, anxiety, or poor airway health.
Solution: Train calmer, more efficient breathing that supports airway stability.
Sleep
Problem: Mouth breathing, snoring, or apnea.
Solution: Retrain patterns for nasal breathing and nervous system balance at night.
Performance
Problem: Fatigue, shortness of breath, low endurance.
Solution: Build CO₂ tolerance and oxygen efficiency for peak energy.
Breathe Better. Feel Alive.
Personalized Science-Backed Coaching
A structured, application-only online program designed to help you transform your breathing habits in just six weeks. This program is a guided journey with clear goals, professional oversight, and personalized accountability that provides:
Custom Breath Blueprints → designed around your respiration metrics, health, sleep, and/or performance goals.
Weekly 1:1 Coaching Calls (60 minutes online) → focused sessions to teach, refine, and progress your practice.
Patient Charting & Metrics → Flow Score testing, breathing assessments, and sleep/stress benchmarks tracked weekly in your patient chart.
Homework & Daily Practices → clear step-by-step exercises with reflection and audio prompts.
Progress Tracking Reports → visual check-ins on your improvements week to week.
D.I.Y. Step-by-Step Toolkits
Breathwork Blueprints
Feeling inspired to make changes on your own?
We've created self-paced breathwork blueprints with guided audios, daily plans, and reflection trackers starting at only $40. Each Blueprint is designed to solve a specific problem in Health, Sleep, or Performance:
Health: Asthma | Anxiety
Sleep: Sleep Apnea | Better Sleep
Performance: 5K | Marathon

Meet Your Coach, Lindsey Trubia
Lindsey Trubia is a certified Buteyko Breathing Practitioner and Oxygen Advantage Level 2 Instructor, with advanced training in the Wim Hof Method (Level 2), Nordic Flow Coaching (Level 3), and as a Meditation & Yoga Instructor. She has taught alongside global breathwork leaders including James Nestor, Wim Hof, and Patrick McKeown, and has worked with professional athletes across the NFL, NHL, and PGA Tour. Trusted by over 100+ doctors and healthcare providers, Lindsey receives physician referrals for clients with respiratory conditions such as asthma, anxiety, and sleep apnea, while helping thousands worldwide restore functional breathing, improve sleep, and unlock peak performance.