Functional vs. Dysfunctional Breathing: Why Functional Breathing Matters
Breathing is something we all do without thinking, yet it plays a huge role in our health and well-being. Many people do not realize that the way they breathe every day can either help or harm their body and mind.
Understanding the distinction between functional and dysfunctional breathing is important, as it can clarify why individuals may experience fatigue, stress, or anxiety without an apparent cause.
Functional breathing means breathing in a way that supports your body’s natural needs. Dysfunctional breathing happens when your breathing pattern becomes irregular or inefficient. This can lead to problems like breathlessness, poor sleep, and low energy.
The Oxygen Advantage functional breathing method is a popular and trusted way to learn how to breathe better. It teaches simple techniques that help restore natural, healthy breathing and improve overall health.
What Is Functional Breathing?

Functional breathing means breathing that supports the body’s natural physiology. It is light, soft, slow, and mostly through the nose. The breath comes from the diaphragm, the large muscle below the lungs, rather than from the chest. This kind of breathing matches your body’s needs, whether you are resting or active.
A key component of functional breathing is nasal breathing. Breathing through the nose helps filter and warm the air, improves oxygen delivery, and keeps your breathing calm and balanced. Functional breathing capacity refers to how well you can breathe efficiently during various activities.
Some common functional breathing techniques include:
- Breathing lightly to avoid taking in too much air
- Slowing your breathing to about 8 to 10 breaths per minute
- Using your diaphragm to expand your belly and lower ribs
- Keeping your breath soft and quiet
These techniques help you breathe in a way that feels natural and supports your health.
Functional Respiratory Test: The BOLT Score
The BOLT score, or Body Oxygen Level Test, is a simple functional breathing test that measures how well your breathing is. It shows how long you can comfortably hold your breath after a normal exhale. This helps indicate if your breathing is efficient and healthy.
To measure your BOLT score:
- Take a normal, quiet breath in through your nose.
- Exhale quietly through your nose.
- Hold your nose to stop airflow and time how many seconds pass until you feel the first strong urge to breathe.
A higher BOLT score reflects greater breathing control. Healthy adults and athletes typically achieve scores of 20 seconds or more. Lower scores, such as 10 to 15 seconds, may indicate breathing difficulties, including asthma, anxiety, or dysfunctional patterns.
The optimal time to assess your BOLT score is in the morning, immediately after waking, when breathing is most natural and relaxed. Consistent practice of functional breathing exercises can improve your score and promote easier, calmer breathing throughout the day.
What Is Dysfunctional Breathing?

Dysfunctional breathing means breathing patterns that are not working well for your body. This can include breathing through your mouth instead of your nose, breathing too fast, or using only the upper chest instead of the diaphragm.
Signs of dysfunctional breathing include:
- Mouth breathing
- Fast or irregular breaths
- Frequent sighing or yawning
- Feeling like you cannot get enough air
Dysfunctional breathing impacts both physical and mental health, leading to symptoms such as dizziness, frequent air hunger, headaches, anxiety, difficulty concentrating, chest or throat tightness, muscle aches, tingling sensations, and fatigue.
Furthermore, sleep disturbances, shortness of breath during exercise, cold extremities, and digestive discomfort resulting from poor diaphragm movement. Addressing these patterns can help alleviate these symptoms.
Why Functional Breathing Matters: Benefits and Impact
Restoring functional breathing can have many positive effects on your body and mind. When you breathe functionally:
- Your diaphragm works better, increasing lung capacity
- Air flows smoothly and quietly through your nose and lungs
- Your body keeps the right balance of oxygen and carbon dioxide
- Your nervous system calms down, reducing stress
- Your sleep quality improves, helping you feel more rested
- Your mental focus and clarity increase
- Physical exercise feels easier and less tiring
The Oxygen Advantage Functional Breathing program uses simple exercises to help you retrain your breath. These exercises improve your breathing efficiency, reduce breathlessness, and help calm your mind.
Functional Breathing and the Oxygen Advantage Body Pillar
In the Oxygen Advantage method, functional breathing forms the foundation of the Body pillar. This approach focuses on four key practices:
- Breathe Light: Gently reducing the volume of air you breathe
- Breathe Slow: Taking fewer breaths per minute to calm your system
- Breathe Deep: Engaging the diaphragm and stabilizing the ribs
- Nasal Breathe: Breathing through the nose as the essential cornerstone
These practices help retrain your natural daily breathing so it supports your body instead of working against it. Functional breathing is gentle, safe, and suitable for nearly everyone.
Why Functional Breathing Is Very Safe
Functional breathing is a very gentle form of breath training. It does not involve hypoxia (lack of oxygen), forced breath holds, or hyperventilation. Instead, it focuses on restoring a normal breathing rhythm that follows the body’s natural physiology.
Functional breathing supports better sleep, digestion, mental clarity, and physical performance. Think of it as maintaining your body’s breathing “software,” gently returning it to balance without pushing or forcing.
Check out the online breathing courses that focus on functional breathing by Oxygen Advantage.
Guidelines for Practicing Functional Breathing
Here are simple and safe guidelines for practicing functional breathing:
- Keep breathing through your nose whenever possible and comfortable
- Breathe lightly, reducing air volume without forcing air hunger
- Slow your breathing gently, aiming for fewer breaths per minute without strain
- Breathe low and quiet to encourage diaphragm use
- If your nose feels blocked, try gentle nose-decongestion exercises first
- Always keep your breathing gentle; never force or strain
You can practice these techniques while sitting, during daily activities, before sleep, or during light movement.
How to Become a Functional Breathing Practitioner or Instructor
If you want to help others improve their breathing, consider joining the Oxygen Advantage Functional Breathing Instructor Training (Level 1) with Patrick McKeown.
This internationally recognized, self-paced course provides the knowledge and skills to safely teach the foundational techniques of Oxygen Advantage. It is ideal for health professionals, fitness trainers, and wellness coaches.
The course includes lifetime access and certification, so you can learn at your own pace and confidently share these techniques.
Practical Functional Breathing Exercises and Training
You can start practicing functional breathing exercises today:
- Nasal breathing: Breathe only through your nose, even when resting.
- Light breathing: Take smaller, softer breaths to avoid overbreathing.
- Slow breathing: Aim for 8 to 10 breaths per minute.
- Diaphragmatic breathing: Feel your belly rise and