How much sleep does my child need?

Sleep needs vary by age. Newborns (0-3 months) need 14-17 hours. Infants (4-11 months) need 12-15 hours. Toddlers (1-2 years) need 11-14 hours. Preschoolers (3-5 years) need 10-13 hours. School-age children (6-13 years) need 9-11 hours. Teenagers (14-17 years) need 8-10 hours.

Do midday naps help children academically?

Yes. A 2019 study published in the journal Sleep by University of Pennsylvania researchers found that children who took regular midday naps were happier, showed better cognitive performance, and had fewer behavioral problems compared to non-nappers. Napping during the day consolidates memory from morning learning and resets emotional regulation circuits.

When should my child stop napping?

Most children naturally transition away from daytime naps between ages 3 and 5. Signs a child is ready to drop naps include: taking more than one hour to fall asleep at night, sleeping 10+ hours at night, nap resistance lasting several weeks, and no signs of sleepiness without a nap. Many preschoolers still benefit from quiet rest time even after dropping full naps.

👶 Paediatric Sleep Science

Baby & Children Sleep Calculator

Enter your child's age and wake time to get their exact bedtime, nap schedule, and total sleep need. Every recommendation is based on peer reviewed paediatric research.

Step 1, Select Your Child's Age Group

🍼 Newborn 0, 3 months

🧸 Infant 4, 11 months

🚶 Toddler 1, 2 years

Nap!

🎨 Preschool 3, 5 years

Nap!

📚 School Age 6, 13 years

🎧 Teen 14, 17 years

Why Midday Naps Matter for Children

Research is clear: regular napping in young children produces significant, measurable benefits across cognitive, emotional and physical development.

😊

+27%

Improvement in positive mood and emotional stability

📖

+20%

Better academic performance in afternoon assessments

✅

-35%

Reduction in behavioural problems and hyperactivity

🧠

Memory Consolidation

Naps cement morning learning

During a midday nap, the hippocampus replays and transfers morning learning to long term memory storage. Children who nap remember 10, 30% more from their morning lessons than those who stay awake through the day.

😤

Emotional Reset

Fewer tantrums, better regulation

The amygdala (emotional centre) becomes hyperreactive when sleep deprived. A 45, 90 minute midday nap resets this system, directly reducing the frequency and intensity of emotional outbursts in children under 6.

📏

Growth Hormone

80% of growth hormone released in sleep

Growth hormone is released predominantly during deep slow wave sleep. Young children who sleep adequate hours, including naps, show measurably better height and weight gain trajectories than sleep deprived peers.

🛡️

Immune Function

Sleep builds immune memory

After vaccinations, children who sleep adequately develop stronger antibody responses. Adequate nap and night sleep directly strengthens the immune system's ability to remember and fight pathogens.

👁️

Eye Development

Sleep protects developing vision

Research shows adequate sleep in early childhood is linked to lower rates of myopia (short sightedness). Time in darkness during naps and night sleep supports healthy eye development and axial length growth.

⚡

Afternoon Performance

Reverses the post lunch dip

All humans experience a circadian dip between 1, 3 PM. For children, this dip is more pronounced. A midday nap during this window completely reverses the cognitive decline of the afternoon, and does not reduce night sleep quality in young children.

📅 Sleep Development Timeline, Birth to 17

0, 3 months (Newborn)

14, 17 hours total · No circadian rhythm yet

Newborns sleep in 2, 4 hour cycles around the clock. No consistent day/night difference. Circadian rhythms begin developing around 6, 8 weeks. Feed on demand and do not attempt to consolidate sleep yet.

4, 11 months (Infant)

12, 15 hours total · 2, 3 naps per day

Circadian rhythm consolidates. Night sleep extends to 6, 8 hours by 6 months for most infants. Nap 3 times/day early in this stage reducing to 2 naps by 8, 9 months. Wake windows between sleep: 1.5, 3 hours.

1, 2 years (Toddler)

11, 14 hours total · 1 midday nap

Critical nap transition period. Drops from 2 naps to 1 midday nap between 12, 18 months. The single remaining nap should be 1, 2 hours, ideally 12:30, 2:30 PM. Bedtime typically 7, 8 PM. This age group shows the largest academic and behavioural benefit from consistent napping.

3, 5 years (Preschool)

10, 13 hours total · Nap transitioning out

Nap need decreases but most 3, 4 year olds still benefit significantly from midday rest. By age 5, most children are ready to drop naps. Even without full sleep, 30, 60 minutes of quiet rest time preserves many napping benefits through the transition.

6, 13 years (School Age)

9, 11 hours total · No daytime nap needed

Night sleep becomes the primary recovery window. School start times create significant early wake pressure. Research consistently shows that school age children getting under 9 hours show measurably impaired academic performance, mood and immune function.

14, 17 years (Teen)

8, 10 hours total · Later circadian phase

Puberty shifts the circadian clock 2, 3 hours later, making early school start times biologically counterproductive. Teens are genuinely unable to fall asleep before 11 PM, midnight. Early school starts are the leading cause of global teen sleep deprivation.

💡 Proven Tips for Better Children's Sleep

🌅

Wake your child at the same time every day including weekends. Consistent wake time is the strongest circadian anchor and makes bedtime resistance significantly easier.

📵

No screens for 60 minutes before bed. Blue light from tablets and phones delays melatonin onset, children are more sensitive than adults because their eye lenses transmit more blue wavelengths.

🌡️

Keep the bedroom 18, 20°C. Children's body temperature regulation is less efficient than adults, a cool room is even more important for quality sleep in young children.

🌙

Use a consistent bedtime routine of 20, 30 minutes: bath, pyjamas, story, lights out in the same sequence every night. Routine creates powerful pre sleep conditioning that reduces fight back dramatically within 2 weeks.

☀️

Morning outdoor light within 30 minutes of waking helps set the circadian clock for better evening sleepiness at the right time, even 10 minutes makes a measurable difference.

🍽️

Avoid sugar and heavy meals within 2 hours of bedtime. Light protein snacks (milk, banana, yoghurt) are actually sleep supportive due to tryptophan content, these can be offered as part of the bedtime routine.

Frequently Asked Questions

A 2 year old needs 11, 14 hours of total sleep per 24 hours according to AAP guidelines. This typically breaks down as 10, 12 hours at night plus a 1, 2 hour midday nap. Most 2 year olds do best with a 7, 8 PM bedtime and a 12:30, 2 PM nap window. The 2019 University of Pennsylvania study found this age group shows the strongest benefits from consistent napping, including better memory, mood and behaviour.

Occasionally skipping naps is fine, but regularly skipping naps in children under 4 accumulates sleep debt that affects cognitive development, emotional regulation and immune function. Research shows toddlers who consistently skip naps show measurably more anxiety, lower working memory scores and more frequent emotional outbursts compared to regular nappers. If nap resistance is an issue, try an earlier nap start time (12:00, 12:30 PM) and a consistent pre nap routine.

For a 5 year old waking at 7 AM, the ideal bedtime is 7:00, 7:30 PM to achieve 10, 12 hours of night sleep. Use the calculator above by selecting Preschool and entering the wake time, it will calculate the exact optimal bedtime based on the sleep cycle concept. At 5, many children are transitioning off naps, so night sleep needs to cover the full sleep requirement without daytime supplement.

Baby & Children Sleep Calculator

More Sleep Calculators