Will My Child Grow Out of Bedwetting? Spontaneous Resolution Rates Explained

The most common advice parents hear about bedwetting is also the most frustrating: “Don’t worry, they’ll grow out of it.” While this may be true, understanding when and what the research says is far more helpful than vague reassurance. This article explains the actual spontaneous resolution rates for bedwetting by age, factors influencing these rates, and what the numbers mean for your family.

What Does “Growing Out of It” Actually Mean?

Spontaneous resolution refers to bedwetting stopping on its own, without active treatment — no alarm, no medication, no behavioural programme. It is a well-documented phenomenon. Most children who wet the bed will eventually stop, often without medical intervention.

The key word is eventually. For some families, this timescale is acceptable. For others — especially when a child is older, distressed, sleep-deprived, or the household is struggling — waiting may not be a neutral choice. Knowing the numbers helps you make an informed decision rather than simply waiting and hoping.

The Spontaneous Resolution Rates: What the Research Shows

The most widely cited figure in clinical literature is that approximately 15% of children with nocturnal enuresis become dry spontaneously each year. This comes from long-term epidemiological studies and is referenced in NICE guidance on childhood bedwetting.

Breaking it down by age provides a clearer picture:

Age 5: Around 15–20% of children wet the bed at this age. Nighttime dryness is not expected until after age 5 in most clinical frameworks.
Age 7: About 10% of 7-year-olds still wet regularly. Spontaneous resolution continues at roughly 15% per year.
Age 10: Around 5% of children still wet the bed. The 15% annual resolution rate continues, but the baseline is lower.
Age 15: Approximately 1–2% of teenagers are still wetting regularly. Resolution slows but does not cease.
Adulthood: An estimated 0.5–1% continue into adulthood without treatment.

For a realistic perspective: a 7-year-old wetting nightly has about a 15% chance of stopping within the next 12 months without treatment. This is meaningful, but also means an 85% chance they will still be wetting a year from now. For more details on how these figures apply at different ages, see Bedwetting by Age: What’s Normal, What’s Not, and What to Do.

What Factors Influence Spontaneous Resolution?

Family History

Genetics play a significant role. If one parent wet the bed as a child, their child has about a 40% chance of doing the same. If both parents did, that rises to around 70–80%. A strong family history does not prevent spontaneous resolution but is associated with longer persistence. Importantly, it is not the child’s fault nor a sign of slow development or emotional difficulty.

Wetting Frequency

Children who wet only occasionally — once or twice a week — tend to resolve more quickly than those who wet every night. Frequent, heavy wetting may reflect physiological factors like low overnight ADH production or high nocturnal bladder pressure that may not self-correct quickly.

Whether the Child Has Ever Been Dry

There is a clinical distinction between primary enuresis (never achieved dryness) and secondary enuresis (was dry for at least six months and has relapsed). Secondary bedwetting warrants investigation for specific triggers such as infection, stress, constipation, or medical conditions. If your child was previously dry and has started wetting again, consult a GP. See My Child Was Dry for Two Years and Has Started Wetting Again: What to Do.

Daytime Symptoms

Children with daytime wetting, urgency, or a small functional bladder capacity are less likely to resolve spontaneously and may benefit from clinical assessment. Daytime and nighttime wetting together often indicate an overactive bladder rather than purely a sleep-arousal issue.

Associated Conditions

Children with ADHD, autism, or other neurodevelopmental conditions tend to have higher rates of persistent bedwetting. This is not related to intelligence or effort but reflects differences in nervous system regulation of sleep, arousal, and bladder control.

When Is Waiting Appropriate — and When Is It Not?

For a 5 or 6-year-old with occasional wetting and no distress, watchful waiting is reasonable. The body is still developing systems involved in overnight dryness. Most clinical guidelines recommend against early intervention with alarms or medication in this age group, as spontaneous resolution is common and success rates are lower in younger children.

Waiting becomes less justifiable when:

The child is 7 or older and wets frequently (NICE suggests assessment from age 5, active treatment from age 7)
The child is distressed, embarrassed, or withdrawing from activities like sleepovers
The family is struggling — sleep disruption, laundry, or financial burden
The child has additional needs making passive waiting less appropriate

If managing bedwetting is becoming overwhelming, practical support is available in I Am Exhausted From Night Changes: How Other Parents Manage Without Burning Out.

Does Treatment Delay Natural Development?

A common concern is that using nappies, pull-ups, or other management products delays resolution. There is no robust evidence supporting this. Nighttime dryness is primarily a physiological process involving bladder maturation, ADH secretion, and sleep arousal. A child does not learn to stay dry by lying in a wet bed; they become dry when their biology is ready.

Using appropriate overnight protection while waiting for development supports sleep, skin health, dignity, and reduces laundry, without hindering progress.

The 15% Rule in Practice

The 15% annual spontaneous resolution rate is often used as a benchmark for treatment effectiveness. An effective programme, especially a bedwetting alarm used correctly, can achieve dryness in around 60–70% of children who complete it. This is a significant improvement over no treatment, especially for older children with longer histories of bedwetting.

For families weighing options, consider the maths: a 9-year-old wetting nightly has about a 15% chance of stopping spontaneously by age 10, with similar odds each subsequent year. Whether this is acceptable depends on family circumstances, the child’s wishes, and available support.

If you are considering treatment but unsure what has been tried, We Have Tried the Alarm, Desmopressin, Lifting and Nothing Has Worked: Next Steps may be helpful.

Framing Bedwetting Discussions

While telling a child they will “grow out of it” is not wrong, it can imply that nothing can be done in the meantime, and that their role is to wait. For children experiencing embarrassment or disrupted sleep, this framing is rarely helpful. For guidance on discussing bedwetting honestly and supportively, see How to Talk About Bedwetting Without Shame or Embarrassment.