From the moment we’re born, breath is life. In those early months, how a baby breathes can influence physical development, sleep quality, and long-term wellbeing. Nasal breathing is a natural instinct designed into the human body—but in today’s world, many babies develop habits of mouth breathing due to preventable issues. As parents, understanding the role of nasal breathing can make a meaningful difference.

Why Nasal Breathing Matters

The nose filters air, humidifies it, and engages the senses. For infants, nasal breathing helps:

Filter out bacteria and allergens to support the immune system
Guide healthy jaw and facial development
Encourage proper tongue posture for speech and swallowing
Support oxygen uptake and quality sleep

Mouth breathing bypasses these natural systems. In babies, this can contribute to disrupted sleep, feeding difficulties, and developmental challenges if left unaddressed.

Shut Your Mouth and Save Your Life: A Forgotten Warning

In 1870, American painter and traveller George Catlin published Shut Your Mouth and Save Your Life. He spent time observing Native American communities and noticed how mothers gently kept their babies' mouths closed during sleep. They believed nasal breathing supported vitality and strength. Catlin wrote:

"There is no person in society but who will find... improvement in health and enjoyment, by keeping his mouth shut."

Though the language is of its time, the insight holds. Breathing through the nose plays a central role in wellbeing—starting from infancy.

Signs Your Baby May Be Mouth Breathing

Recognising mouth breathing in babies isn’t always obvious. Signs may include:

Sleeping with the mouth open
Noisy or snore-like breathing
Dry lips or mouth upon waking
Frequent congestion not linked to illness
Clicking sounds while feeding

These signs aren’t always a cause for concern, but they are worth noting. Causes can include tongue ties, allergies, or nasal congestion.

What You Can Do as a Parent

There’s no need to worry if a baby occasionally mouth breathes. But staying informed and observant helps. Try the following:

Watch Sleep Habits: If your baby’s mouth often opens during sleep, gently close it. If it doesn’t stay closed, it could signal an issue worth checking with a professional.
Tummy Time: Supervised time on your baby’s stomach while awake helps build neck, shoulder, and jaw strength—important muscles for posture and breathing.
Feeding Cues: Clicking during feeding or trouble latching can indicate oral restrictions that affect breathing.
Limit Dummy Use: Extended use can change tongue position and interfere with nasal breathing habits.
Seek Specialist Support: Paediatric osteopaths, lactation consultants, or ENT professionals can assess breathing and oral structure.

You might also enjoy our Bring Your Baby to Yoga sessions on Fridays at 10:30am—a relaxed space for movement, breath, and connection. Find out more here.

Breathing as the Foundation

At R1SE, we often say: Start with the breath. That applies from the very beginning. Supporting healthy breathing in babies sets them up for better sleep, resilience, and development.

This isn’t about overcorrecting—it’s about awareness. Nasal breathing offers calm, control, and a foundation for life.