Parents often ask what time a three- or four-year-old should sleep, especially when a child naps at preschool, resists bedtime or struggles to wake in the morning. There is no universal clock time. The useful target is enough total sleep, a consistent wake time and a child who is generally alert and regulated during the day.

For ages 3–5, the usual recommendation is 10–13 hours in 24 hours, including naps. This range comes from the American Academy of Sleep Medicine and is also used by the CDC. Individual children differ within the range.

Calculate bedtime backwards

  1. Write the non-negotiable weekday wake time.
  2. Estimate your child’s current total sleep need within the recommended range.
  3. Subtract any regular daytime nap.
  4. Allow about 20–40 calm minutes for the bedtime routine.
  5. Adjust gradually based on how the child falls asleep, wakes and functions during the day.

Example: if wake-up is 7:00 am and your child functions well with about 11 hours at night, sleep needs to begin near 8:00 pm. The routine may therefore start around 7:20–7:30 pm. A child taking a long afternoon nap may not be ready to sleep at that time.

Sample schedule for a 3-year-old who naps

7:00 amWake, daylight, toilet and breakfast.
8:30 am–12:30 pmPreschool, active play and lunch according to the school routine.
1:00–2:00 pmNap or rest; timing may vary by preschool.
2:00–6:30 pmSnack, outdoor movement, family time and dinner.
7:30 pmBrush, book and calm bedtime routine.
8:15 pmLights out, adjusted to the child’s nap and sleep need.

Sample schedule for a 4–5-year-old without a nap

7:00 amWake and morning routine.
School hoursPreschool, meals and active play.
1:30–2:00 pmQuiet rest with books, drawing or calm music instead of sleep.
4:00–6:00 pmOutdoor movement, snack and unhurried play.
7:00 pmDinner finished; lights and activity begin to soften.
7:30 pmBrush, pajamas, two books and connection.
8:00 pmLights out.

These are examples, not medical prescriptions. A family with a 6:00 am wake-up or a child who still needs a substantial nap will use different times.

Is the nap delaying bedtime?

Nap transitions can be uneven for months. Signs worth discussing with the preschool include regularly staying awake throughout nap time, needing a very late bedtime after a school nap, or sleeping easily without a nap but becoming exhausted on other days.

Before removing the nap completely, try a shorter or earlier nap if the school can accommodate it. On no-nap days, protect a quiet rest period and consider an earlier bedtime. Avoid using late afternoon car sleep as the only recovery plan; even a short late nap may move bedtime for some children.

A 30-minute “brush, book, bed” routine

  1. Ten-minute reset: put away stimulating toys, dim the room and use the toilet.
  2. Brush and pajamas: keep the order the same and let the child complete manageable steps.
  3. Two books or one quiet song: give a clear boundary before starting.
  4. Connection: one cuddle and a simple preview of tomorrow.
  5. Bed: use the same closing words and keep the room calm.

The American Academy of Pediatrics recommends the memorable “Brush, Book, Bed” sequence. A routine works because it is predictable, not because it is elaborate.

Make preschool mornings easier

  • Keep wake time reasonably consistent, including weekends.
  • Use morning daylight and movement soon after waking.
  • Prepare clothing and the preschool bag the night before.
  • Offer breakfast without adding last-minute screens.
  • Build a buffer so the child is not rushed from sleep to the school gate.

Common bedtime problems and practical responses

“One more” requests

Agree on water, toilet, hugs and number of books before the routine. Respond briefly and consistently after lights out.

Bedtime suddenly becomes very late

Check nap length, wake time, evening screens and whether the child is getting enough active play. Move bedtime earlier in small steps—about 10–15 minutes—rather than expecting an hour-long change overnight.

Child looks more energetic when overtired

Some preschoolers become silly, loud or tearful instead of visibly sleepy. Look at the full pattern: morning difficulty, car naps, mood and attention.

Night waking after a school change

New routines, separation and excitement can temporarily disturb sleep. Keep reassurance calm and the response predictable. Share major sleep changes with the teacher because tiredness can affect classroom behaviour.

What to avoid near bedtime

  • Fast-paced screens and bright devices in the final stretch before sleep.
  • Threatening to leave, lock the room or withdraw affection.
  • Starting energetic games after the bedtime routine has begun.
  • Using a very late weekend schedule that makes Monday feel like a time-zone change.
  • Giving sleep medicines or supplements without medical guidance.

When to speak with a doctor

Discuss sleep with your child’s paediatrician when there is loud or frequent snoring, pauses or difficulty breathing, persistent insomnia, unusual daytime sleepiness, repeated morning headaches, uncomfortable leg sensations, or sleep problems affecting safety and daily functioning. Seek urgent medical care for breathing emergencies. Do not rely on an online schedule to diagnose a sleep disorder.

Pair better sleep with a calmer preschool drop-off routine and our preschool screen-time guide.

Quick parent FAQs

How much sleep does a 3–5 year old need?

The American Academy of Sleep Medicine and CDC recommend 10–13 hours per 24 hours for ages 3–5, including naps. Also observe daytime mood, alertness and how easily your child wakes.

What is a good bedtime for a preschooler?

Work backwards from the required wake time and total sleep need. For a 7 am wake-up, many families begin a calm routine around 7:15–7:45 pm and aim for sleep around 8–8:30 pm, adjusted for naps and the individual child.

When should a preschooler stop napping?

There is no single age. Consider shortening or replacing the nap with quiet time when the child regularly stays awake at nap time or the nap repeatedly pushes bedtime very late. Coordinate with the preschool and change gradually.

Sources and further readingCDC: positive parenting and sleep for ages 3–5American Academy of Sleep Medicine: child sleep durationAmerican Academy of Pediatrics: Brush, Book, Bed