Is My Child Snoring Too Much? Understanding Paediatric Sleep Apnoea

• Persistent snoring in children is not normal — it can be a sign of obstructive sleep apnoea, which affects growth, behaviour, concentration, and cardiovascular health if left unaddressed

• Adenotonsillectomy is the most effective first-line treatment for most children with OSA caused by enlarged tonsils and adenoids, resolving or significantly improving sleep-disordered breathing in the majority of cases

• Other treatment options — including palatal expansion, myofunctional therapy, nasal management, and CPAP — are relevant depending on the underlying cause and should be considered alongside or after surgery where needed

• Early specialist assessment is important — the daytime signs of OSA in children are often mistaken for behavioural or learning difficulties, and the underlying sleep problem goes unrecognised

Mouth breathing, restless sleep, and loud snoring in a child are not simply habits — they can be signs of obstructive sleep apnoea that warrant a specialist assessment.

By Dr Vyas M.N. Prasad, FRCS (ORL-HNS) Consultant Otolaryngologist & Head and Neck Surgeon, Camden Medical Centre, Singapore

"Children shouldn't snore." It sounds simple — but it's a fact many parents don't realise until someone tells them.

Snoring is so common in children that many parents assume it is simply part of how their child sleeps. But persistent snoring in a child is never entirely normal. In some cases, it is a sign of obstructive sleep apnoea — a condition in which breathing is repeatedly interrupted during sleep, with consequences that extend far beyond tiredness.

Paediatric obstructive sleep apnoea (OSA) is estimated to affect between 1 and 5% of children. Left unaddressed, it can affect growth, behaviour, learning, and cardiovascular health. Understanding what causes it, how it presents, and what can be done about it helps parents seek the right assessment at the right time.

What Is Paediatric Obstructive Sleep Apnoea?

Obstructive sleep apnoea occurs when the upper airway becomes partially or fully blocked during sleep, causing breathing to stop repeatedly throughout the night. Each time this happens, the brain briefly rouses the child to restore breathing — often so briefly that neither the child nor the parent is aware of it. These micro-arousals can occur dozens of times a night, preventing the child from reaching the deep, restorative stages of sleep.

Unlike adults with sleep apnoea, children rarely complain of daytime sleepiness in an obvious way. The effects tend to manifest differently — in mood, behaviour, attention, and growth — which means the underlying sleep problem is often not the first thing considered.

Signs to Look Out For

The following symptoms, particularly when occurring together, warrant a closer look by a specialist:

Loud or frequent snoring — regular snoring on most nights, especially if it sounds laboured or effortful rather than quiet and rhythmic.

Breathing pauses during sleep — visible pauses in breathing followed by gasps or snorts. If you suspect this is happening, a brief video recording of your child sleeping can be a very useful reference during a clinical assessment.

Mouth breathing — sleeping with the mouth consistently open, or breathing noisily through the mouth rather than the nose.

Restless, disrupted sleep — tossing and turning, unusual or contorted sleeping positions, or waking with night sweats.

Behavioural changes — irritability, hyperactivity, impulsivity, or mood swings that seem disproportionate or out of character.

Difficulty concentrating or declining school performance — sleep-deprived children often present with attention difficulties that can be misattributed to behavioural or learning disorders.

Bedwetting beyond the usual age — secondary nocturnal enuresis can sometimes be associated with disrupted sleep architecture.

Poor growth — growth hormone is primarily secreted during deep sleep. Chronic sleep disruption can impair this, and some children with untreated OSA show slower growth than expected for their age.

What Causes It?

In children, the most common cause of obstructive sleep apnoea is enlargement of the tonsils and adenoids — the lymphoid tissue at the back of the throat and nasal passage. When these structures are disproportionately large relative to the size of the airway, they narrow the available space for breathing during sleep when the muscles relax.

Other contributing factors include:

— Obesity, which increases soft tissue bulk around the airway — A narrow or high-arched palate, which reduces the space available in the upper airway — Nasal obstruction from allergy, enlarged turbinates, or a deviated septum — Craniofacial differences including a small jaw or midface hypoplasia — Down syndrome and other conditions affecting muscle tone or airway anatomy — Neuromuscular conditions that reduce the tone of the airway muscles during sleep

In many children, more than one of these factors is present, and addressing all of them produces better outcomes than treating only the most obvious one.

Why It Matters Beyond Sleep

Sleep is not simply rest — it is when the body and brain do their most essential work. For growing children, deep uninterrupted sleep is necessary for physical development, memory consolidation, emotional regulation, and immune function.

Children with untreated OSA may over time show difficulties that look very different from tiredness: persistent behavioural problems, being labelled as inattentive or hyperactive, underperformance at school that does not respond to the usual interventions, and slower physical growth. Cardiovascular effects — including elevated blood pressure and increased cardiac workload — can also develop when OSA goes unaddressed over a prolonged period.

Early identification and treatment therefore matters not just for sleep quality but for a child's long-term development and health.

How Is It Assessed?

Assessment begins with a detailed clinical history of sleep patterns, daytime behaviour, and associated symptoms, followed by a thorough examination of the nose, throat, and airways. Flexible nasendoscopy allows direct assessment of the adenoids and the degree of airway narrowing.

An overnight sleep study — either a full polysomnography or a home oximetry study — provides objective data on the frequency and severity of breathing disturbances and oxygen desaturations during sleep. The results of the sleep study, combined with the clinical findings, guide the management plan.

Treatment Options

There is no single treatment for paediatric OSA — management depends on the cause, the severity, the child's age, and individual anatomy. In most cases, a combination of approaches produces the best result.

Adenotonsillectomy

For children with enlarged tonsils and adenoids, surgical removal — adenotonsillectomy — is the most effective and commonly recommended first-line treatment. It resolves OSA completely or significantly in the majority of children, with improvements in sleep, behaviour, and quality of life often apparent within weeks of recovery. The procedure is performed under general anaesthesia through the mouth, with no external cuts, and most children recover fully within ten to fourteen days.

It is important to note that while adenotonsillectomy is highly effective when tonsil and adenoid enlargement is the primary driver, it may not fully resolve OSA in children where other factors — obesity, craniofacial anatomy, or significant nasal obstruction — are also contributing.

Nasal Management

Where nasal obstruction from allergy, enlarged turbinates, or a deviated septum is contributing to OSA, addressing this is an important part of the management plan. Optimising nasal airflow reduces the work of breathing during sleep and can meaningfully improve OSA severity, sometimes enough to avoid or defer other interventions.

Dental and Orthodontic Treatment

In children with a narrow or high-arched palate, rapid palatal expansion — an orthodontic appliance that gradually widens the upper jaw — can increase the volume of the upper airway significantly and has good evidence for improving OSA severity. This is particularly relevant in children where adenotonsillectomy alone has not fully resolved the problem, or where a narrow dental arch is identified as a significant contributing factor. Early orthodontic assessment is worthwhile in children with OSA, particularly where structural jaw factors are apparent.

Myofunctional Therapy

Orofacial myofunctional therapy involves exercises targeting the tongue, lip, and orofacial muscles to improve their tone and resting position. The rationale is that poor tongue posture — particularly a low resting tongue position and habitual mouth breathing — contributes to both airway narrowing during sleep and to the development of narrow dental arches over time.

There is a growing body of evidence supporting myofunctional therapy as a useful adjunct in paediatric OSA, with studies showing reductions in OSA severity when it is combined with other treatments. It requires commitment from both the child and parents, as the exercises need to be performed consistently. A speech therapist or myofunctional therapist with specific experience in this area should deliver the programme.

CPAP

Continuous positive airway pressure (CPAP) — a mask worn during sleep that delivers pressurised air to keep the airway open — is the gold standard treatment for OSA in adults. In children, it is generally not the first line of treatment, as surgery to address the structural cause is usually preferable and more definitive. However, CPAP has an important role in specific situations: children in whom surgery is not appropriate or has not fully resolved OSA, those with significant obesity, or children with complex medical conditions where a non-surgical approach is needed. Compliance with CPAP in children can be challenging and requires careful support from the clinical team and significant commitment from the family.

Weight Management

In overweight or obese children, weight management is an important component of OSA treatment and should be addressed alongside other interventions. Excess weight is not always the primary driver in paediatric OSA — children of healthy weight can have significant OSA from tonsil and adenoid enlargement alone — but where it is a contributing factor, addressing it improves outcomes and reduces the risk of OSA persisting into adulthood.

What About Snoring That Comes and Goes?

Some children snore mainly when they have a cold or upper respiratory infection, which is generally less concerning. If snoring disappears completely once the child is well, it is likely related to temporary congestion. However, if snoring persists consistently for several weeks, occurs most nights, or is accompanied by any of the symptoms described above, it is worth seeking an expert opinion rather than waiting.

When Should You Seek an Assessment?

You do not need to wait until the situation is severe. If your child snores regularly, seems unusually tired or irritable despite a full night in bed, breathes through the mouth during sleep, or if you have noticed any pauses in breathing, a specialist assessment is warranted. An ENT surgeon can examine the airway, arrange appropriate investigations, and discuss the options that are most relevant to your child's specific situation.

Early assessment gives you answers — and a clear path forward.

This article is for general informational purposes and does not constitute medical advice. If you are concerned about your child's health, please consult a qualified healthcare professional.

Concerned About Your Child's Sleep?

If you have noticed signs of disrupted breathing, persistent snoring, or any of the symptoms described above, a specialist assessment can help clarify what is happening and what can be done. [Book a Paediatric ENT Assessment →]