Mouth Breathing in Children: How It Impacts Sleep and Why You Shouldn’t Ignore It!

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Baby Sleep Coach

Certified Maternity Nurse and a Holistic Sleep Consultant

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January 18, 2024
Child sleeping peacefully with mouth open, indicating potential mouth breathing in children.

Mouth Breathing in Children

If your child has trouble sleeping, or wakes up during the night, it could be that you have a mouth breather on your hands. As a baby sleep coach, I see how common mouth breathing in children is, and how this could be the reason your child is not sleeping through the night, so read on to see if mouth breathing could be affecting your little one’s sleep.

Sleeping baby with mouth open, indicating mouth breathing in children

Why might my child breathe through their nose?

For the first few months of their lives, newborn babies breathe pretty much exclusively through their nose unless there’s a reason they can’t such as having a blockage in their nasal passage, usually because your little one has a cold. In a bid to keep taking in oxygen, they will use their mouth to breathe because their nose is not up to the job.

A more long-term reason for nasal congestion could be allergies that hinder a child’s airway and forces them to use their mouth to breathe. Because symptoms from allergies are over a longer period of time, this is more likely to encourage new (and bad) habits of resorting to breathing through the mouth even after the airway is cleared. Mouth breathing in children is a common issue that may have various underlying causes.

Why is it a problem if my child breathes through their mouth?

When it comes to mouth breathing in children, there are several factors that make it something to avoid. Both doctors and dentists suggest many side effects of mouth breathing that can cause your child discomfort and even lead to more long-term problems developing.

In young children, breathing solely through the mouth can cause dry mouth and contribute to crooked teeth. It can lead to physical abnormalities if left to continue over a longer period of time and it can also cause dental problems as well contributing to a disrupted sleeping pattern.

Are there any benefits to breathing through your nose for children?

Breathing through the nose is a more efficient way of using oxygen, which leads to producing Nitric oxide that aids your immune system in tackling infections. The mucus and tiny hairs in your nose also help to filter out unwanted small particles such as germs, dust, or pollen and stop them from entering your lungs.

Breathing in a more efficient breath full of oxygen also helps improve brain functions and blood flow around our bodies. It helps us breathe into our lungs, air that is full of moisture as well as helping to warm the air before it gets there. Plus, it is usually quieter for the parents listening on the baby monitor!

Child sleeping peacefully with mouth open, indicating potential mouth breathing in children.

Is Your Child a Mouth Breather? Recognising the Signs of Mouth Breathing in Children

Young children may struggle to articulate their symptoms as adults do, making it crucial for parents to recognize potential indicators of mouth breathing in children. Look out for slower-than-normal growth, frequent irritability or nighttime crying episodes, dry mouth or lips, difficulty concentrating for extended periods, and daytime sleepiness.

Understanding the Impact of Mouth Breathing in children on Sleep:

Mouth breathing in children, as opposed to nasal breathing, can disrupt your child’s sleep patterns. It may cause breathing interruptions or reductions, prompting the body to react with sudden gasps or snorts, leading to frequent awakenings. Insufficient oxygen supply to the brain can result in daytime fatigue and hinder cognitive function.

Because of some of these factors, children have in the past been wrongly diagnosed with ADHD (research shows) due to their sharing of symptoms such as restlessness or a lack of concentration when in fact it is a much simpler case of sleep deprivation. 

Helping Your Child Breathe Through Their Nose: Tips and Advice

If your child is experiencing mouth breathing due to a nasal blockage from illness, typical remedies like nasal sprays or medication can help alleviate congestion. Addressing allergies with solutions like a dehumidifier can also clear the airways.

If mouth breathing persists beyond illness recovery, consulting your GP is advisable to assess for issues like enlarged tonsils or adenoids, common culprits of persistent mouth breathing in children.

Encourage breathing exercises to raise awareness of nose breathing in children capable of understanding. Establishing good breathing habits early on can lead to natural nose breathing, potentially improving sleep quality.

Incorporating calming activities such as yoga and deep breathing into bedtime routines can foster a relaxed environment conducive to nose breathing.

Prioritising your child’s health involves promptly addressing any respiratory issues, including mouth breathing in children. Early intervention not only promotes immediate well-being but also establishes the foundation for lifelong health.

Research: NIH, National library of medicine, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4047298/

If your child’s sleep is disturbed or they wake too early, other factors may be at play. 

If you’re seeking further guidance on your baby’s sleep habits or need personalised assistance, I’m here to help. Reach out to me for expert advice and support in helping your little one get the sleep they need.

Let’s Begin the Dream Journey Together!

Explore our consultancy services designed to help your child sleep better. Choose from a range of support options and start the adventure towards restful nights.

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Iva Faulkner

Certified Pediatric Sleep Consultant and Maternity Nurse

As a mother of two, a maternity nurse, and a pediatric sleep consultant, I founded Sleepy Angels Consultancy, with a mission to offer parents a trusted source of guidance. Drawing on my experience as both a maternity nurse and a mother, I aim to empower parents with the knowledge and support they need to help their little ones sleep soundly. My passion lies in equipping families with the tools and confidence to thrive together, ensuring that everyone gets the rest they deserve.

Learn more about me

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