Bedwetting in Children: Causes, Tips and When to Worry
In short: Bedwetting in children is common and is not considered a medical problem before the age of 5. Most children grow out of it, but from around 5 years, or earlier if it is upsetting your child, simple changes and treatments such as a bedwetting alarm can help. A child who starts wetting again after being dry for 6 months or more should see a doctor.
Key takeaways
Roughly 15% of five-year-olds and around 5% of ten-year-olds still wet the bed at night.
Bedwetting is not caused by laziness or bad behaviour, and punishing a child makes it worse.
The usual causes are a mix of deep sleep, producing a lot of urine at night and a bladder that holds less overnight, and it often runs in families.
Restricting drinks is not recommended; children should drink 6 to 8 cups spread across the day and less in the hour before bed.
New bedwetting after 6 months of dry nights, daytime wetting or excessive thirst are reasons to see a doctor.
Is bedwetting normal for my child's age?
Bedwetting is normal in toddlers and preschoolers, still common at 5 to 7 years, and becomes less common each year, with only about 1 to 2% of teenagers still affected.
Night-time dryness is the last part of toilet training to come. Many children are dry by day at 2 or 3 but need a pull-up at night for another year or two. This is about how the body matures, not effort.
Rough guide by age
Under 5: wet nights are expected and do not need treatment.
5 to 7 years: still common; a good time to start simple steps if your child is bothered by it.
8 to 10 years: less common; worth a doctor's review, especially if sleepovers or school camps are coming up.
Teenagers: uncommon; always worth a medical review, as it can affect confidence a great deal.
Primary and secondary bedwetting
Doctors separate two types. Primary bedwetting means the child has never been reliably dry at night. This is by far the most common type. Secondary bedwetting means wetting has started again after at least 6 months of dry nights. This type is more likely to have a trigger, such as a urine infection, constipation, a new medical condition or emotional stress, so it needs a check-up.
Why does my child wet the bed?
Most bedwetting comes from three things working together: a child who sleeps very deeply, makes a lot of urine overnight, and has a bladder that signals full before it can hold the night's urine.
Common causes
Family history: if one or both parents wet the bed as children, their child is much more likely to.
Deep sleep: some children do not wake to the feeling of a full bladder.
High night-time urine: the hormone that slows urine production at night may not yet be working fully.
Small or overactive bladder: the bladder empties before it is truly full.
Constipation: a full bowel presses on the bladder and is a very common, very fixable cause.
Less common causes
Urinary tract infection, especially with pain or new daytime accidents.
Type 1 diabetes, which causes thirst, frequent urination and weight loss.
Snoring with pauses in breathing (obstructive sleep apnoea), often due to large tonsils and adenoids.
Stress, such as a new sibling, starting school, moving house or family changes.
Rarely, problems with the kidneys, bladder or spinal cord.
If your child also strains to pass stools or goes less than three times a week, have a look at our guide to constipation in children. Treating constipation alone stops the wetting in some children.
When should bedwetting be treated?
Treatment is usually offered from around 5 years of age, but the right time is when bedwetting bothers your child or affects family life, not a fixed birthday.
Some children are not bothered at all; others feel embarrassed and want help. Your child's own motivation is one of the strongest predictors of success, so ask them how they feel about it.
What happens at the doctor?
Your doctor will ask how often wetting happens, whether there are daytime symptoms, how much your child drinks, bowel habits, sleep and snoring, and any family history. A simple urine test checks for infection and sugar. A physical examination looks at the tummy, back and growth. Most children need no further tests. Keeping a 2-week diary of drinks, toilet visits and wet or dry nights before the visit is very helpful.
What treatments are available?
Lifestyle and toilet routine: regular drinks through the day, emptying the bladder before bed, and easy access to the toilet at night.
Reward systems: praise or stickers for things your child controls, such as drinking well and using the toilet before bed, rather than for dry nights.
Bedwetting alarm: a small sensor that sounds at the first drops of urine and gradually trains the brain to wake or hold on. It is the first-choice treatment for most children and gives lasting results, but it usually takes several weeks to work and needs a committed family.
Medicine: desmopressin reduces the amount of urine made at night. It works quickly and is useful for sleepovers and camps or when an alarm is not suitable. Wetting often returns when it is stopped, and it must be taken with a strict drinks rule, so it is only used under medical advice.
Treating any cause: such as constipation, a urine infection or enlarged tonsils.
When to see a doctor, and when not to worry
Night-time wetting alone in a healthy child is rarely serious, but new wetting after a dry spell, daytime problems or signs of thirst and weight loss need a medical check.
Usually fine
Your child is under 5 and wets at night only.
Your child is 5 to 7, has never been dry at night, and is well and dry during the day.
Wetting happens a few nights a week and is slowly becoming less frequent.
A parent or sibling also wet the bed as a child.
Book an appointment soon
Your child is 5 or older and the wetting upsets them or affects sleepovers, school trips or family life.
Bedwetting has started again after at least 6 months of dry nights.
Your child also wets during the day, or rushes to the toilet often.
Constipation, hard stools or soiling.
Loud snoring, pauses in breathing or very restless sleep.
Your child is 9 or older and still wets most nights.
You notice signs of significant stress, anxiety or changes in behaviour.
See a doctor the same day
Excessive thirst, passing large amounts of urine, weight loss or tiredness, which can be signs of diabetes.
Any of the above together with vomiting, tummy pain, fast breathing or drowsiness.
Pain or burning when passing urine, especially with fever or back pain.
Blood in the urine.
New weakness in the legs, back pain, or new problems with bowel control.
What can I do at home to help with bedwetting?
Small, consistent changes in drinks, toilet routine and attitude make a real difference, and work best when your child is part of the plan.
Ages 3 to 5
Use pull-ups or a waterproof mattress cover without fuss; there is no need to push night-time dryness.
Build a habit of using the toilet as part of the bedtime routine.
Watch for and treat constipation early.
Ages 5 to 8
Offer 6 to 8 cups of water spread across the day, with more in the morning and at school, and less in the hour before bed.
Pack a water bottle for school, since many children in Malaysia drink very little in class and then catch up in the evening.
Avoid fizzy drinks, tea, coffee, chocolate drinks and energy drinks, especially after lunch.
Ask your child to use the toilet twice before sleep: once at the start of the bedtime routine and again just before lights out.
Use a simple reward chart for agreed actions, not for dry nights.
Ages 9 and older
Let your child take charge of their own routine, such as changing sheets and setting up the alarm.
Plan ahead for sleepovers and school camps; your doctor can help with options.
Talk openly about how common bedwetting is; many children believe they are the only one.
What not to do
Do not punish, shame or tease your child, and ask siblings not to either.
Do not cut down drinks during the day; this can make the bladder hold less.
Do not reward dry nights only, since your child cannot control them yet.
Do not rely on lifting a sleeping child to the toilet as a cure; it may reduce wet sheets but does not teach dryness.
Do not buy bedwetting medicines or herbal remedies without speaking to a doctor.
From Dr Nisa's clinic: Many families who come to see me about bedwetting have been quietly worrying for years. Often the child has been told off, and the guilt sits heavy on both sides. In most cases the child is healthy and the bladder simply needs more time or a little training. The first thing I usually change is the drinking pattern, as many school children drink very little during the day and a lot after school. When parents and child work as a team, the progress tends to come.
How can I support my child emotionally?
Staying calm and matter-of-fact is the most helpful thing you can do, because worry and shame can make bedwetting last longer.
Practical ways to keep it low-stress
Use a mattress protector and keep spare sheets and pyjamas ready so changes are quick.
Explain that their body is still learning, and that it is nobody's fault.
If a parent wet the bed as a child, sharing that can be very reassuring.
Worried about bedwetting?
If bedwetting is upsetting your child, or you have noticed any of the warning signs above, I can help you find the cause and a plan that suits your family. I am Dr Nisa Khalil, a consultant paediatrician with more than 18 years of experience, seeing children at ParkCity Medical Centre in Desa ParkCity, Kuala Lumpur.
Book an appointment or, for non-urgent questions, try an online eConsult.
You may also find these helpful:
Frequently asked questions
At what age should a child stop wetting the bed?
There is no single age. Most children are dry at night by 5 to 7 years, but around 15% of five-year-olds and about 5% of ten-year-olds still wet the bed. Doctors do not usually treat bedwetting before age 5. From 5 onwards, it is worth talking to a doctor if it bothers your child or your family, or if there are other symptoms such as daytime wetting.
Is bedwetting a sign of a medical problem?
Usually not. Most bedwetting in children is caused by deep sleep, high night-time urine production and a bladder that is still maturing, and it often runs in families. It is more likely to have a medical cause if it starts after 6 months of dry nights, or comes with daytime wetting, pain, thirst, weight loss, constipation or loud snoring. A simple check and urine test are a good starting point.
Should I wake my child at night to pee?
Lifting or waking your child to use the toilet can reduce wet sheets in the short term, but it does not teach the body to stay dry. It is fine if it helps your family cope, for example during holidays. For lasting dryness, a bedwetting alarm, which wakes the child at the moment wetting starts, is more effective.
Do bedwetting alarms work?
Yes, for many children. A bedwetting alarm is the first-choice treatment for most children over 5 and gives lasting results once it works. It usually takes several weeks, and families are encouraged to keep going for at least 2 to 3 months, until the child has 2 weeks of dry nights in a row. It works best when the child is motivated and a parent helps them wake at first.
Should I limit drinks before bed?
Partly. Reduce drinks in the hour before bed, but do not restrict fluids during the day. Children who drink well in the morning and at school, about 6 to 8 cups spread out, tend to do better. Cutting back all day can make the bladder hold less. Avoid fizzy drinks, tea, coffee and chocolate drinks, which can make the kidneys produce more urine.
Can stress cause bedwetting?
Yes. Stress can trigger bedwetting to come back in a child who had been dry, for example after a new baby, starting school, moving house or family difficulties. If wetting returns after 6 months or more of dry nights, see a doctor to rule out physical causes like a urine infection or constipation, and gently explore what might be worrying your child.
Medically reviewed by Dr Nisa Khalil on 2 November 2026. This article is general information and does not replace a consultation with your own doctor.
References
National Institute for Health and Care Excellence. Bedwetting in under 19s (CG111). nice.org.uk
Nevéus T, Fonseca E, Franco I, et al. Management and treatment of nocturnal enuresis: an updated standardization document from the International Children's Continence Society. Journal of Pediatric Urology, 2020. doi.org
American Academy of Pediatrics. Bedwetting. HealthyChildren.org. healthychildren.org
NHS. Bedwetting in children. nhs.uk
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