Enter Details
Enter your child's age and wake-up time to see their ideal bedtime and a visual sleep window.
Why Children's Sleep Needs Differ by Age
Sleep is not passive — it is the period when the brain consolidates memories, releases growth hormones, repairs tissue, and builds immune function. In children, these processes are especially intensive because the brain is still developing. The American Academy of Pediatrics (AAP) publishes age-specific sleep recommendations that reflect how much sleep is needed for healthy development at each stage.
Newborns (0–3 months) need 14–17 hours because their brains are rapidly forming neural connections. As children grow into toddlers and preschoolers, sleep needs gradually decrease but remain critical — growth hormone is almost entirely secreted during deep sleep. School-age children who sleep fewer than 9 hours perform measurably worse in concentration tests.
Teenagers face a unique biological challenge: puberty shifts the circadian clock later, meaning melatonin is released at 10–11 PM instead of 8–9 PM. Schools with early start times often conflict with this, contributing to the widespread teen sleep deficit seen across India and globally.