# How Much Sleep Do You Need by Age? > Generally recommended sleep ranges from about 14 to 17 hours for newborns down to 7 to 9 hours for adults, with teens needing more than adults. The question of how much sleep do you need by age… Canonical: https://findsleepdoctors.com/articles/how-much-sleep-do-you-need-by-age Last updated: 2026-10-30 How much sleep do you need by age? See recommended sleep hours for babies, kids, teens and adults, and why the right amount matters for health. Updated 2026-10-25 · 6 min read · Sleep Doctor Near Me editorial. **Quick answer:** Generally recommended sleep ranges from about 14 to 17 hours for newborns down to 7 to 9 hours for adults, with teens needing more than adults. The question of **how much sleep do you need by age** matters because needs shift across the lifespan, and the right range keeps thinking, mood and health steady. Sleep is not a fixed number you memorize once. A newborn sleeps most of the day; a teenager needs more than a parent; an older adult may sleep less deeply but still needs about as much. Knowing the **recommended sleep** for your stage of life helps you set realistic expectations. This is general information, not medical advice. ## The Recommended Ranges by Age Broad guidance from sleep and pediatric organizations looks like this: - **Newborns (0–3 months):** about 14–17 hours, in short stretches - **Infants (4–11 months):** about 12–16 hours including naps - **Toddlers (1–2 years):** about 11–14 hours including naps - **Preschoolers (3–5 years):** about 10–13 hours - **School-age (6–12 years):** about 9–12 hours - **Teens (13–17 years):** about 8–10 hours - **Adults (18+):** about 7–9 hours - **Older adults:** generally 7–9 hours, often with lighter, more broken sleep These are ranges, not rules. Individual needs vary, and quality matters as much as hours. ## Why Babies and Kids Need So Much Early life is a period of explosive growth. During sleep, the body releases growth hormone, builds neural connections and consolidates learning. That is why the deepest sleep stage does so much heavy lifting early in life — the process is explained in [4 stages of sleep](https://sleepclinicdirectory.com/articles/4-stages-of-sleep-explained). Naps are not laziness; they are part of how young children meet their total need. Skipping naps often backfires by making children overtired and harder to settle. ## Why Teens Need More Than Adults Teens need roughly 8–10 hours, yet many get far less. Their body clocks also shift later, making early school start times a poor match for their biology. The result is chronic short sleep, grogginess in first period and mood swings. Teens are not just being difficult. Their biology genuinely runs late. Protecting a consistent bedtime and limiting late screens helps, even if it cannot change school hours. ## Adults: The 7-to-9 Rule For most adults, 7 to 9 hours is the target. Falling consistently below 7 is linked to poorer attention, mood and long-term health. Consistently needing more than 9 to feel rested can be a sign of an underlying problem. Adults are also the group most likely to under-report their own sleeplessness. If you wake unrefreshed no matter what, trouble may not be about hours at all — a sleep disorder could be masking as "not a morning person." See [why you feel tired all the time](https://sleepclinicdirectory.com/articles/why-am-i-always-tired-medical-causes). ## Older Adults and Changing Sleep Sleep tends to get lighter and more fragmented with age. Many older adults wake more often and spend less time in deep sleep. Their total need stays around 7–9 hours, but naps and earlier bedtimes often make up the difference. It is a myth that older adults need much less sleep. If a senior is sleeping very little and feeling unwell, it is worth a conversation with a clinician. ## Quality Counts as Much as Hours Two people can sleep eight hours and feel completely different. Fragmented sleep, alcohol, a warm room and untreated apnea all reduce quality even when the clock says you slept enough. That is why the amount matters alongside the pattern. Sleep debt builds quietly when short nights stack up — see [sleep debt](https://sleepclinicdirectory.com/articles/what-is-sleep-debt-can-you-repay-it) for why a weekend lie-in does not fully fix it. ## How to Tell If You Are Getting Enough Rather than counting hours alone, check how you feel: - You wake without an alarm most days - You stay alert through the afternoon - Your mood is steady - You do not fall asleep the moment you sit still If those are missing despite adequate hours, look at quality and possible disorders. A wearable can help spot trends, but remember [what sleep trackers can and can't tell you](https://sleepclinicdirectory.com/articles/what-sleep-trackers-can-and-cant-tell-you) about accuracy. ## What to Do If You Are Not Hitting the Range A few reliable steps: 1. Set a consistent wake time, even on weekends 2. Build a wind-down routine — see [sleep hygiene](https://sleepclinicdirectory.com/articles/better-sleep-hygiene-tips) 3. Keep the room cool, dark and quiet 4. Limit caffeine and alcohol, especially late 5. Rule out a sleep disorder if tiredness persists For children, watch for warning signs early — our guide to [signs your child may have a sleep disorder](https://sleepclinicdirectory.com/articles/signs-child-sleep-disorder) covers what to look for. And if short sleep is driving appetite and weight changes, [Sleep and weight gain](https://sleepclinicdirectory.com/articles/sleep-and-weight-gain-appetite-hormones) explains the hormone link. ## Frequently Asked Questions ### Is 6 hours of sleep enough? For most adults, no. Six hours is below the recommended 7 to 9 and, over time, is linked to poorer health and attention. Some people genuinely need less, but they are rare. ### Do older adults need less sleep? They often sleep more lightly and in shorter stretches, but most still need around 7 to 9 hours. Need does not drop sharply with age. ### How much sleep do teenagers need? Teens generally need 8 to 10 hours. Their body clocks run late, so early school starts make it hard to get enough. ### Can you sleep too much? Regularly needing more than about 9 hours to feel rested can signal an underlying problem and is worth discussing with a clinician. ### How do I know my ideal amount? Track how you feel across a week or two with a consistent schedule. Waking refreshed without an alarm is a good sign you are in range. ## Final Thoughts **How much sleep do you need by age** shifts with each stage of life, from 14-plus hours in infancy to 7 to 9 for adults. Use the ranges as a guide, but let how you feel be the tiebreaker. If you follow the numbers and still wake exhausted, [find a sleep clinic near you](https://sleepclinicdirectory.com/) and look for a deeper cause. *This article is for general information only and is not a substitute for professional medical advice. See a doctor or sleep specialist for diagnosis and treatment.* ## Related reading - [Sleep disorder symptom checklist](https://sleepclinicdirectory.com/articles/sleep-disorder-symptom-checklist) - [Menopause and sleep](https://sleepclinicdirectory.com/articles/menopause-and-sleep) - [Restless legs syndrome](https://sleepclinicdirectory.com/articles/restless-legs-syndrome-when-to-see-sleep-specialist) ## Related guides in this series - [Sleep Doctors in Edina, Minnesota: How to Find the Right Specialist](https://findsleepdoctors.com/articles/sleep-doctors-edina-mn-us) — Edina, Minnesota lists 8 sleep providers and centers in the Find Sleep Doctors directory. This guide explains how to compare them, what to expect, and how to prepare before booking. - [Sleep Doctors in Helena, Montana: How to Find the Right Specialist](https://findsleepdoctors.com/articles/sleep-doctors-helena-mt-us) — A directory guide to 8 listed sleep providers and centers in Helena, Montana, with contact details and practical booking questions. - [Sleep Doctors in Burnsville, Minnesota: How to Find the Right Specialist](https://findsleepdoctors.com/articles/sleep-doctors-burnsville-mn-us) — This guide lists eight sleep providers and centers in Burnsville, Minnesota, with addresses and phone numbers from the Find Sleep Doctors directory. It also explains how to compare options, plan a visit, and prepare questions for a sleep medicine appointment. ## Ready to find a sleep doctor near you? Browse sleep medicine doctors across six countries, organized by region and city, and reach out directly — all in one free, verified directory. See [all countries and cities](https://findsleepdoctors.com/sleep-doctor-near-me). This medical guide reflects generally accepted clinical guidance for sleep disorders. It is informational and not a substitute for personalised medical advice — consult a qualified sleep specialist or your GP. ## Related - [All sleep health guides](https://findsleepdoctors.com/articles) - [Home](https://findsleepdoctors.com/) - [Country and city index](https://findsleepdoctors.com/sleep-doctor-near-me)