Preschool sleep changes (age 3 and up)

This guide is general information only and isn't a substitute for medical advice. If you're concerned about your child's health, or they're unwell, please see a doctor.

Preschoolers sleep differently from toddlers. The nap is on its way out, imagination is switching on, and bedtime becomes a negotiation rather than a routine. Most of what looks like a sleep problem at this age is really a developmental one.

What changes

Children aged 3 to 5 need about 10 to 13 hours of sleep a night, and some still have a day nap of about an hour. As the nap goes, that night-time total has to do all the work, which usually means bedtime needs to come earlier, not later.

Imagination expands fast at this age, which is why fears of the dark and bad dreams tend to appear now. It is a sign of normal development, not of a problem.

The nap question

Most children hold on to a nap until around three, and there is a wide normal range beyond that. If your preschooler still naps happily and still settles at bedtime, keep it. If the nap is pushing bedtime late or causing bedtime battles, quiet time is the usual replacement: a short quiet period in their room with books or calm play, no screens.

Bedtime becomes a conversation

Preschoolers can negotiate, stall, and argue a case. Build the last drink, last wee, and last cuddle into the routine so there is nothing left to bargain for, then keep your response calm, brief and repetitive. A visual routine chart helps children this age feel in charge of the steps without putting bedtime itself up for debate.

Fears arrive around now too, and they are real to your child even when the monster isn't. Take the fear seriously and the monster lightly: acknowledge it, leave a night light on if it helps, and go easy on elaborate rituals like monster spray, which can accidentally confirm there was something to be afraid of. A calm "you're safe, I'm here, it's time to sleep" does more than a debate about what's under the bed.

Support the day

• Plenty of physical activity and outdoor light, which helps set the body clock.
• A predictable wind-down, with screens off well before bed.
• Consistency between caregivers, since preschoolers are excellent at finding the softer rule.
• An earlier bedtime on the days the nap was skipped.

When to look further

A few things point to a doctor rather than a settling plan. Raising Children advises seeing your GP if your child snores most nights or over a long period, breathes through their mouth, or gasps, chokes or struggles for breath in their sleep, or is unusually tired or hard to wake during the day. Difficulty breathing, pale, blotchy or blue skin, or being very drowsy or hard to rouse are signs of serious illness that healthdirect says need urgent care. And if your child seems to be in pain, is feeding poorly, or isn't growing or gaining weight as expected, see your GP or child and family health nurse, because no settling method fixes a medical problem. Persistent, distressing night-time fears are also worth raising.

Sources

• Raising Children Network, Preschooler sleep
• Raising Children Network, Calling out and getting out of bed
• Raising Children Network, Snoring in babies, kids and teenagers
• healthdirect, Symptoms of serious illness in babies and children

Last updated: July 2026. Sources include Red Nose Australia and Raising Children Network where cited above. This guide is general information only. For individual concerns, see your GP or child health nurse.