Child Snoring: When Is It Normal and When to Worry?
In short: Occasional snoring in a child, especially during a cold, is common and usually harmless. Loud snoring on three or more nights a week, or snoring with pauses in breathing, gasping or very restless sleep, can be a sign of obstructive sleep apnoea. This is most often caused by large tonsils and adenoids, it is treatable, and it deserves a check with your doctor.
Key takeaways
Up to about 1 in 10 children snore regularly, and most of them are otherwise healthy.
Obstructive sleep apnoea affects roughly 1 to 5 in every 100 children and is most common between 2 and 8 years of age.
Snoring on three or more nights a week is called habitual snoring and is a reason to mention it to your doctor.
Untreated sleep apnoea can affect daytime behaviour, concentration, mood and, in more severe cases, growth.
Removing enlarged tonsils and adenoids is the main treatment for most children with sleep apnoea, and it usually works well.
Why does my child snore?
Snoring happens when air squeezes past a narrowed airway at the back of the nose and throat during sleep, making the soft tissues vibrate. In children, the usual cause is swollen tonsils, adenoids or nasal lining.
Tonsils sit at the back of the throat, and adenoids sit behind the nose where you cannot see them. Between about 2 and 8 years they are at their largest compared with the airway, so snoring peaks in these years.
Other common reasons for snoring include:
Colds. Snoring gets louder for a week or two, then settles.
Allergic rhinitis. In Malaysia, house dust mites are a very common trigger, with a blocked or runny nose and sneezing.
Smoke and haze. Cigarette or vape smoke at home, and seasonal haze, inflame the nose and throat.
Excess weight. Extra tissue around the neck and airway makes it narrower during sleep.
Some medical conditions. Down syndrome, a small jaw, cleft palate and some muscle conditions raise the risk.
Is it normal for a toddler to snore?
Light, occasional snoring is common in toddlers, particularly during colds. It is less likely to be harmless if it happens most nights, is loud enough to hear from outside the room, or comes with pauses, gasps or a lot of tossing and turning.
Do babies snore?
Young babies often sound snuffly because their nasal passages are small and easily blocked. This is usually normal. Noisy breathing with poor feeding, pauses in breathing or the chest sucking in needs a check.
What is obstructive sleep apnoea in children?
Obstructive sleep apnoea is when a child's airway repeatedly narrows or closes during sleep, briefly reducing breathing and oxygen levels and disturbing sleep many times a night, often without the child waking fully.
Snoring and sleep apnoea sit on a spectrum. Simple snoring is noisy breathing without pauses or broken sleep. In sleep apnoea, the blockages are frequent enough to affect sleep and how your child functions the next day.
Children with sleep apnoea do not always look like adults with the condition. Instead of being sleepy during the day, many children become restless, overactive or irritable. That is one reason it is easily missed.
What are the signs of sleep apnoea at night?
Loud snoring on most nights
Pauses in breathing, followed by a snort, gasp or choking sound
Working hard to breathe, with the chest or tummy sucking in
Very restless sleep, or sleeping in odd positions such as with the neck stretched back or sitting propped up
Breathing through the mouth while asleep
Heavy sweating during sleep
New bedwetting in a child who was previously dry at night
What are the signs during the day?
Hard to wake in the morning, or waking unrefreshed
Morning headaches
Mouth breathing and a nasal voice during the day
Daytime sleepiness, or falling asleep in the car or in class when older
Hyperactivity, poor attention, irritability or emotional outbursts
In more severe cases, poor weight gain or slow growth
Can snoring affect my child's behaviour and learning?
Yes. Broken sleep from sleep apnoea can cause inattention, hyperactivity, irritability and learning difficulties. These often improve once the breathing problem is treated.
A child whose sleep is interrupted dozens of times a night does not get enough deep, restoring sleep. In an adult this shows up as tiredness. In a child it often shows up as behaviour that looks like ADHD: trouble sitting still, difficulty focusing and a short fuse.
Not every child with ADHD symptoms has sleep apnoea. But when I assess a child for attention or behaviour concerns, I always ask about snoring and sleep, because treating a sleep problem can make a real difference.
In more severe sleep apnoea, children can also grow more slowly, partly because growth hormone is released mainly in deep sleep. Many catch up after treatment.
How is sleep apnoea diagnosed?
Your doctor starts with a careful history and examination. The most reliable test is an overnight sleep study, but not every child needs one before treatment is decided.
I ask about sleep, daytime behaviour, school and allergies, look at the tonsils and nose, and check growth. Large tonsils do not always mean sleep apnoea, and children with smaller tonsils can still have it, so your description matters a great deal.
What is a sleep study?
A sleep study, or polysomnography, is done overnight in a hospital sleep laboratory. Sensors on the skin record breathing, oxygen levels, heart rate, brain activity and movement while your child sleeps, with a parent usually staying in the room. It is painless. It shows whether your child has sleep apnoea and how severe it is.
How are snoring and sleep apnoea treated?
Treatment depends on the cause and severity. Many children with sleep apnoea and large tonsils benefit from surgery to remove the tonsils and adenoids, while milder cases may improve with nasal treatment.
Removing the tonsils and adenoids
For most children with obstructive sleep apnoea and enlarged tonsils and adenoids, an operation called adenotonsillectomy is the first-line treatment. It is done by an ear, nose and throat (ENT) surgeon. It improves or resolves sleep apnoea in most otherwise healthy children, and many parents notice better sleep and behaviour within weeks. Children with obesity or other medical conditions are more likely to have some symptoms left afterwards and need follow-up.
Treating a blocked nose
For milder sleep apnoea, or snoring linked to allergic rhinitis, a doctor may suggest a prescription steroid nasal spray and allergy measures, which can shrink swelling in the nose and adenoids over several weeks.
Other treatments
Children who cannot have surgery, or still have sleep apnoea after it, may use CPAP, a small mask worn at night that gently blows air to keep the airway open. Weight management helps children above a healthy weight.
When to see a doctor, and when not to worry
Snoring only during colds is usually fine. Regular loud snoring needs a planned check, and any breathing difficulty while awake or blue spells need urgent care.
Usually fine
Your child snores lightly now and then, mostly when they have a cold, and it stops when the cold clears.
Your baby makes snuffly noises but feeds well, gains weight and breathes comfortably.
Snoring is soft, with no pauses, gasps or struggling, and your child wakes refreshed and is well behaved during the day.
Book an appointment soon
Your child snores on three or more nights a week, for more than a few weeks.
You notice pauses in breathing, snorts or gasps during sleep.
Teachers report poor attention, hyperactivity or sleepiness in class.
Your child has frequent ear infections or glue ear along with snoring, which can point to large adenoids.
Your child has Down syndrome, obesity or another condition linked to sleep apnoea and snores at all.
See a doctor the same day
Your child is working hard to breathe while awake, with the chest sucking in or nostrils flaring.
Your child has blue or grey lips, or long pauses in breathing that end with a struggle.
Your child has a harsh, high-pitched noise when breathing in while awake (stridor).
Your child has a high fever with severe throat pain, drooling, a muffled voice, or cannot swallow or open the mouth fully.
Your baby has noisy breathing with poor feeding, pauses in breathing or unusual sleepiness.
What can I do at home?
Tackle a blocked nose, reduce allergy triggers and keep the bedroom smoke-free. These steps help many children snore less, but they do not replace a medical check when sleep apnoea is suspected.
For babies and toddlers
Use saline drops or a gentle saline spray before feeds and sleep when the nose is blocked.
Always place babies on their back to sleep, on a firm flat mattress, even if they snuffle. Do not use pillows, wedges or positioners.
Keep the home completely smoke-free, including vapes, and ask visitors to smoke outside away from doors and windows.
For older children
Use saline nasal rinses or sprays during colds and allergy flares.
Reduce dust mites: wash pillowcases, sheets and soft toys weekly in hot water, use mite-proof covers if possible, and keep stuffed toys off the bed.
During haze, keep windows closed and use an air purifier with a HEPA filter in the bedroom if you have one.
Keep a regular bedtime and enough sleep for age, generally 10 to 13 hours for preschoolers and 9 to 12 hours for primary school children.
Keep a two-week sleep diary and film a short video of your child snoring at their worst.
What not to do
Do not give cough, cold or sedating medicines to help your child sleep. They do not treat the cause and are unsafe for young children.
Do not use decongestant nasal sprays for more than a few days unless a doctor advises it.
Do not assume your child will simply grow out of it if they have signs of sleep apnoea.
From Dr Nisa's clinic: Snoring is something parents often mention almost as an afterthought, at the end of a visit about something else. Many assume it is just how their child sleeps, or that it runs in the family. When I ask a few more questions, the picture sometimes changes: restless nights, mouth breathing, a child who is hard to wake and cranky in the morning. Those details matter. I always encourage parents to bring a short video, because seeing a child sleep tells me a great deal.
Worried about your child's snoring?
If your child snores most nights, or you have noticed pauses in their breathing, a check-up can help you understand what is going on and what to do next. I am Dr Nisa Khalil, a consultant paediatrician with more than 18 years of experience, seeing children at ParkCity Medical Centre in Kuala Lumpur.
Book an appointment or start with an online eConsult, and bring a short video of your child sleeping if you can.
You may also find these helpful:
Frequently asked questions
Is it normal for a child to snore every night?
Not really. Occasional snoring is common, but snoring on most nights is called habitual snoring and is worth discussing with your doctor. Many habitual snorers are healthy, yet some have obstructive sleep apnoea, often from large tonsils or adenoids. Your doctor will ask about pauses in breathing, restless sleep and daytime behaviour to decide whether a sleep study or ENT referral is needed.
What age do children stop snoring?
Snoring often becomes less common after about 8 years of age, when tonsils and adenoids start to shrink and the airway grows larger. Snoring linked to colds also becomes less frequent as children get fewer infections. Children with allergies, excess weight or certain medical conditions may keep snoring longer. If your child has signs of sleep apnoea, do not wait for them to outgrow it.
Can enlarged adenoids cause snoring?
Yes. Enlarged adenoids are one of the most common causes of snoring in young children. They sit behind the nose, so when they are large, children breathe through the mouth, sound nasal and snore. Large adenoids can also block the tubes to the ears and cause repeated ear infections or glue ear. A doctor or ENT surgeon can assess their size.
Does my child need a sleep study?
Not always. A sleep study is the most accurate way to diagnose sleep apnoea and measure its severity. It is especially useful for children under 3, children with obesity, Down syndrome or other medical conditions, or when the history and examination do not match. For some healthy children with clear symptoms and large tonsils, an ENT surgeon may decide on treatment without one.
Will removing tonsils stop my child snoring?
In most otherwise healthy children with sleep apnoea and enlarged tonsils and adenoids, removing them greatly reduces or stops snoring and improves sleep. Many parents see changes in behaviour and energy within a few weeks. Some children, particularly those with obesity, allergies or other medical conditions, may keep some snoring and need further treatment and follow-up.
Medically reviewed by Dr Nisa Khalil on 22 October 2026. This article is general information and does not replace a consultation with your own doctor.
References
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