| Infants (4–12 months) | 12–16 hours/day (including naps) (American Academy of Sleep Medicine (AASM)) |
| Toddlers (1–2 years) | 11–14 hours/day (including naps) (American Academy of Sleep Medicine (AASM)) |
| Preschoolers (3–5 years) | 10–13 hours/day (American Academy of Sleep Medicine (AASM)) |
| School-Age (6–12 years) | 9–12 hours/night (American Academy of Pediatrics (AAP)) |
| Teenagers (13–18 years) | 8–10 hours/night (American Academy of Pediatrics (AAP)) |
| Endorsed by | AAP, AASM, American Academy of Neurology (Joint consensus statement) |
Why Sleep Amounts Change as Children Grow
Sleep isn't one-size-fits-all — and for children, it's a moving target. From the newborn stage through adolescence, the amount of sleep a child needs shifts considerably, shaped by rapid brain development, physical growth, and changes in the body's internal clock.
The American Academy of Pediatrics (AAP) and the American Academy of Sleep Medicine (AASM) publish consensus recommendations that give families a reliable starting point. These ranges reflect what research consistently associates with healthy outcomes, including better attention, mood regulation, immune function, and academic performance. They are not rigid prescriptions, and individual children may naturally sit toward either end of a range.
| Infants (4–12 months) | 12–16 hours/day (including naps) (American Academy of Sleep Medicine (AASM)) |
| Toddlers (1–2 years) | 11–14 hours/day (including naps) (American Academy of Sleep Medicine (AASM)) |
| Preschoolers (3–5 years) | 10–13 hours/day (American Academy of Sleep Medicine (AASM)) |
| School-Age (6–12 years) | 9–12 hours/night (American Academy of Pediatrics (AAP)) |
| Teenagers (13–18 years) | 8–10 hours/night (American Academy of Pediatrics (AAP)) |
| Endorsed by | AAP, AASM, American Academy of Neurology (Joint consensus statement) |
If you're also thinking about how evening habits and device use intersect with sleep, our article on screen time and children's health covers what current research shows about screens and sleep disruption.
Recommended Sleep Ranges by Age Group
The following ranges are drawn from AASM and AAP guidelines and represent total daily sleep, including naps where applicable.
Circadian rhythm
The body's internal 24-hour biological clock that regulates sleep-wake cycles, hormone release, and other physiological processes. In adolescence, this clock shifts later, making early bedtimes feel unnatural for teens.
Sleep consolidation
The gradual process by which infants transition from many short sleep periods spread across the day to fewer, longer blocks of sleep — typically including a longer overnight stretch.
Sleep debt
The cumulative effect of regularly getting less sleep than the body needs. In children, sleep debt can affect mood, attention, memory, and immune function even when individual nights of short sleep seem manageable.
Circadian phase delay
A shift in the timing of the body's sleep-wake cycle that typically occurs during puberty, causing teenagers to feel alert later in the evening and making early morning waking more difficult.
Infants (4–12 months)
Newborns sleep in short cycles and haven't yet developed a circadian rhythm. Between 4 and 12 months, most infants consolidate sleep and move toward more predictable patterns. The recommended range is 12–16 hours per 24 hours, including naps.
Toddlers (1–2 years)
As mobility and language explode, so does the need for restorative sleep. Toddlers typically need 11–14 hours daily, usually including one daytime nap. Resistance to bedtime is developmentally normal at this stage.
Preschoolers (3–5 years)
Naps become less consistent, but total sleep remains high. Recommended range: 10–13 hours per 24 hours. Many children in this group drop naps by age 4 or 5 and consolidate sleep overnight.
School-Age Children (6–12 years)
With structured school schedules, consistent bedtimes become easier to maintain. The recommended range is 9–12 hours per night. Children who regularly get fewer than 9 hours may show signs of sleep debt, including difficulty focusing and mood changes.
Teenagers (13–18 years)
Adolescence brings a biological shift in the body's sleep-wake timing (circadian phase delay), making it genuinely harder for teens to fall asleep early. Despite this, teens need 8–10 hours per night — more than most are currently getting. Early school start times can compound this challenge.
Signs a Child May Not Be Getting Enough Sleep
Sleep needs are best evaluated in context. A child who consistently falls at the lower end of their age range may thrive perfectly well; another may show clear signs of insufficient rest. Common indicators worth discussing with a pediatrician include:
- Difficulty waking in the morning or extreme grogginess
- Falling asleep during daytime activities unintentionally
- Increased irritability, emotional outbursts, or difficulty regulating mood
- Trouble concentrating or declining school performance
- Frequent illness (chronic sleep insufficiency can affect immune response)
When to Talk to Your Pediatrician
If your child consistently struggles to fall asleep, wakes frequently throughout the night, snores loudly, or shows significant daytime sleepiness despite adequate time in bed, these can be signs of an underlying sleep disorder such as sleep apnea or restless leg syndrome. A pediatrician can evaluate symptoms and refer to a specialist if appropriate. These observations are worth raising even if your child seems to fall within normal sleep-hour ranges.
For families planning travel across time zones, sleep disruption can be particularly acute for younger children. Our guide on traveling with kids across time zones explores how jet lag affects children and general approaches for easing adjustment. Always consult your child's pediatrician about specific concerns during travel.
Building consistent habits around sleep is addressed in detail in our companion piece on sleep hygiene for every age, which covers practical routines for each stage of childhood and beyond.
This article provides general health information for educational purposes and is not a substitute for personalized medical advice. If you have concerns about your child's sleep, please consult a qualified healthcare professional.