How you breathe throughout the day directly affects how well you breathe — and sleep — at night. Yet most of us rarely give our breathing a second thought. As The Sleep Ambassador®, Nancy Rothstein has explored the critical connection between proper breathing and sleep quality, drawing on insights from breathing expert Patrick McKeown and leading sleep scientists.
The nose performs at least thirty functions on behalf of the body, including preparing air before it enters the lungs. Nasal breathing results in a 10–20% greater oxygen uptake compared to mouth breathing, and it increases oxygen delivery to tissues and organs including the heart and brain. Many people unknowingly over-breathe, taking in more air than needed, which paradoxically deprives the body of oxygen.
Key Takeaways
- Breathe through your nose, always. Mouth breathing bypasses critical functions and can contribute to snoring, sleep apnea, and chronic fatigue.
- Over-breathing is real. Taking in too much air causes excessive carbon dioxide loss, leaving your body gasping for oxygen — a cycle that disrupts sleep and waking performance.
- Children’s breathing matters. Observe how your children breathe during the day and at night. Mouth breathing in children can affect facial development, learning, and behavior.
- Daytime breathing affects nighttime sleep. Improper daytime breathing can lead to breathing cessation during sleep (obstructive sleep apnea), with serious health consequences.
- Get evaluated. If you suspect breathing issues, consult an ENT, a Buteyko breathing specialist, or orofacial myofunctional therapist for guidance.
Proper breathing is central to our health, from our very first breath to our last. For more strategies on optimizing your sleep environment and habits, visit our resources page or explore services and courses from The Sleep Ambassador®.
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