Breathing is something we do every moment of every day, often without a second thought.

Yet what many people don’t realize is that how we breathe has a profound impact on our energy, focus, stress levels, and overall health.

This is something I personally work on daily. It’s so easy to fall into unconscious mouth breathing, especially during stress, busy workdays, or even while sleeping. But with awareness and gentle practice, we can shift back to nasal breathing, and the effects can be truly transformative.

In practices like Qigong, breath is everything. It’s the bridge between the body and mind. A powerful tool to regulate the nervous system, cultivate calm, and restore balance.

{ At the end of this article, I’ll guide you through a simple 2–5 minute daily breathing practice you can start today. }

🌿 Why Nasal Breathing Matters

While breathing happens automatically, mouth breathing and nasal breathing are not equal.

When we breathe through the mouth:

• Air enters the body unfiltered, less humidified, and poorly temperature-regulated
• Breathing tends to be shallow and chest-based, increasing fatigue
• It may contribute to snoring, sleep disturbances, and sleep apnea
• Over time, it can impact oral health, jaw structure, and facial muscles

In contrast, nasal breathing supports the body in powerful ways:

✨ Filters, warms, and humidifies air — helping protect the lungs
✨ Supports immune health — reducing irritation, colds, and allergies
✨ Encourages diaphragmatic breathing — improving oxygen efficiency and posture
✨ Promotes calm — activating the parasympathetic (rest-and-digest) nervous system

🌿 The Science: Nitric Oxide & Oxygen Efficiency

One of the most powerful (and often overlooked) benefits of nasal breathing is its role in producing nitric oxide.

Nitric oxide is a naturally occurring molecule that:

• Helps relax and widen blood vessels (improving circulation)
• Enhances oxygen delivery throughout the body
• Supports brain function, memory, and focus
• Plays a role in immune defense with antibacterial properties

The nose and sinuses produce nitric oxide, and when we breathe through the nose, it is carried into the lungs, supporting better oxygen uptake (estimated up to 10–20% more efficient) and overall vitality.

💡 A simple way to enhance this even further?
Try gently humming, with your lips gently together, on your exhale — this can increase nitric oxide release and deepen the calming effect.

🌿 Nasal Breathing & the Nervous System

In today’s fast-paced world, especially for healthcare workers, corporate professionals, and caregivers, the nervous system is often in a constant state of stress.

Nasal breathing is one of the simplest and most accessible tools to shift this.

By slowing the breath and breathing through the nose, we:

• Signal safety to the brain
• Reduce stress hormones
• Improve emotional regulation
• Cultivate a sense of grounded calm

This is why in Qigong, breath is primarily slow, deep, and nasal, paired with gentle movement to restore flow and balance in the body.(Note: There are other specialized breath techniques used as well.)

🌿 Bringing This Into Your Daily Life

This practice doesn’t need to be complicated.

You can begin to build awareness of your breath:

• While sitting at your desk
• Between patients or clients
• Before a meeting
• During a stressful moment
• While walking or resting

Simply notice:
Am I breathing through my mouth or my nose?

And gently guide it back — without judgment.

🌿 A Simple Daily Practice (2–5 Minutes, 3x Per Day)

To help build this habit, try this Rectangle Breathing Practice:

🕒 Set a timer for 2–5 minutes, three times a day (start with 2 minutes and add on as you feel more comfortable)

1. Inhale through your nose for 4 counts
2. Hold gently for 2 counts
3. Exhale through your nose for 4 counts
4. Hold for 2 counts

Repeat slowly.

✨ Let your breath expand into your belly (diaphragm)
✨ Feel the ribs soften as you exhale
✨ Relax the shoulders and jaw

No one around you will even know you’re doing it.

Afterward, simply pause and notice:
👉 How do you feel?
👉 Is there more calm, clarity, or ease?

Over time, this small practice can help retrain your breathing patterns and support a natural shift toward nasal breathing throughout your day.

Be patient with yourself. Like any habit, it takes awareness and consistency.

🌿 Supporting Your Body Further

To naturally support nitric oxide production and healthy breathing:

• Spend time in sunlight
• Eat foods like leafy greens, beets, celery, and arugula
• Move your body regularly
• Avoid overuse of antibacterial mouthwash, which can disrupt beneficial bacteria

🌿 Your Next Step

If this resonates with you, I invite you to go deeper.

If you’ve been feeling overwhelmed, stressed, or disconnected from yourself, this upcoming challenge will gently guide you back to balance.

✨ Coming Soon: Rest & Renew — A Free 7-Day Nervous System Reset Challenge
A simple, supportive experience designed to help you reduce stress, restore balance, and build daily wellness habits.

Keep an eye out — we’ll be sharing this with you very soon.

In the meantime:
🌿 Explore our Premium Membership, where you’ll find full-length classes in Qigong, Yoga, Meditation, and more — available anytime, ad-free, to support your wellbeing.

💼 For organizations: we also offer corporate wellness programs designed to support employee health, resilience, and energy in the workplace.

🌿 Final Thought

Your breath is always with you.

It’s one of the most powerful tools you have: reset, restore, and reconnect.

And sometimes, the simplest shift,
like breathing through your nose,
can change everything.

In health and flow,

Jennifer Nocito, RHC HCA, Certified Holistic Wellness Coach, Certified Qigong, Yoga, Chair, Pilates, Meditation Teacher, Certified Stress & Anxiety Management Specialist

Yoga First and Wellness