Children and sleep problems seem to go together. But there is a big difference between a child who has one bad night after a scary movie and a child who is chronically sleep-deprived because of an underlying issue.

Understanding that difference matters, because poor sleep in children has real consequences that can show up in behaviour, learning, and health.

How Common Are Sleep Problems in Children

More common than many parents realise. Research from the National Sleep Foundation has found that a majority of children under 10 experience some difficulty falling or staying asleep at various points. Occasional sleep disruptions are a normal part of childhood. Chronic sleep difficulties are something else.

When children do not get enough good-quality sleep, it tends to show up during the day. Studies have linked chronic sleep deprivation in young children to increased behavioural problems, poorer attention, lower academic performance, and reduced social skills. A consistently overtired child is rarely a well-behaved one.

Two Categories of Sleep Disorder in Children

Paediatric sleep problems tend to fall into two broad categories:

Dyssomnias

These are problems with falling asleep, staying asleep, or getting enough sleep. They include:

• Difficulty settling at bedtime
• Frequent night waking
• Snoring or obstructive sleep apnea
• Restless sleep

Obstructive sleep apnea in children is more common than many parents realise, and it often looks different from the adult version. Enlarged tonsils and adenoids are a frequent cause in younger children, and the main sign is often loud snoring and restless sleep rather than the witnessed pauses in breathing that adults typically show.

Parasomnias

These involve unusual behaviours or experiences during sleep:

• Sleepwalking: very common in children aged 5 to 12. Most children grow out of it. The priority is safety rather than trying to stop it.
• Night terrors: different from nightmares. The child appears terrified, may scream or thrash, but is not fully awake and usually has no memory of it the next morning. These are more distressing for parents than for the child.
• Nightmares: the child wakes from a bad dream and is upset. This is normal and more common after stressful events, illness, or a scary story or film.
• Rhythmic movement disorders: repetitive rocking or head-banging at sleep onset, usually in younger children. Often harmless and tends to resolve with age.

What Is Normal by Age

A rough guide to what tends to be typical:

• Toddlers (1-3 years): night waking is still common. Many children this age still need parental help to settle back to sleep. Separation anxiety is a major factor.
• Pre-school (3-5 years): nightmares and night terrors become more common. Sleepwalking may begin. Resistance to bedtime is very typical.
• School age (5-12 years): sleepwalking peaks in this group. Sleep needs are 9 to 11 hours. Chronic tiredness at this age is often linked to too much screen time and inconsistent sleep schedules.
• Teenagers: a genuine biological shift in the body clock makes falling asleep before 11pm difficult. This is not laziness. Teenagers naturally feel alert later in the evening and have difficulty waking early, which conflicts with school start times.

When to Speak to a Doctor

Occasional sleep difficulties do not usually need medical attention. But some situations are worth raising with your child's doctor:

• Loud, regular snoring (especially with pauses in breathing or restless sleep)
• Night terrors that are very frequent, getting worse, or involve the child leaving the bed or being at risk of injury
• Sleepwalking that happens often or involves leaving the house or accessing dangerous areas
• Persistent daytime tiredness that is affecting school or behaviour, even with adequate time in bed
• Restless legs or growing pains that are disrupting sleep regularly
• Sleep problems that start or worsen after a significant stressor or change

Most paediatric sleep problems, when identified, are treatable. For something like sleep apnea caused by enlarged tonsils, a straightforward referral to an ENT specialist can make an enormous difference. For behavioural sleep difficulties, guidance on sleep routines from a health visitor or paediatric sleep specialist is often highly effective without any medication.

If something about your child's sleep does not feel right, it is always worth mentioning at your next appointment. Early identification tends to mean quicker resolution.

Also on this site: What causes sleepwalking (adults and children)  |  The 4 stages of sleep explained

External resource: Sleep Foundation: Children and Sleep — recommended sleep amounts by age and how to support healthy sleep habits in children

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For adults working on their own sleep, the Health Bandit guide looks at some natural approaches that may be worth exploring.