What 9–11 hours means for a 9-year-old
At 9, a child is in the National Sleep Foundation’s school-age group, which runs from 6 to 13 years. For this group the recommended amount is 9 to 11 hours of sleep in every 24 hours. Most 9-year-olds get all of their sleep at night, and regular daytime naps are unusual at this age.
The NSF also lists 7–8 hours or 12 hours as “may be appropriate”. Some healthy young people fall into these ranges, but anything outside them is not recommended. The highlighted row in the table below is the one that applies to a 9-year-old.
| Age group | Ages | Recommended | May be appropriate |
|---|---|---|---|
| Newborn | 0–3 months | 14–17 h | 11–13 or 18–19 h |
| Infant | 4–11 months | 12–15 h | 10–11 or 16–18 h |
| Toddler | 1–2 years | 11–14 h | 9–10 or 15–16 h |
| Preschooler | 3–5 years | 10–13 h | 8–9 or 14 h |
| School-age child | 6–13 years | 9–11 h | 7–8 or 12 h |
| Teenager | 14–17 years | 8–10 h | 7 or 11 h |
| Young adult | 18–25 years | 7–9 h | 6 or 10–11 h |
| Adult | 26–64 years | 7–9 h | 6 or 10 h |
| Older adult | 65+ years | 7–8 h | 5–6 or 9 h |
Asleep-by times for school mornings
Count back from the time your child needs to get up. The table shows when they need to be asleep, not just in bed, for 11, 10 or 9 hours.
| Wake up | 11 h sleep | 10 h sleep | 9 h sleep |
|---|---|---|---|
| 6:30 AM06:30 | 7:30 PM19:30 | 8:30 PM20:30 | 9:30 PM21:30 |
| 7:00 AM07:00 | 8:00 PM20:00 | 9:00 PM21:00 | 10:00 PM22:00 |
| 7:30 AM07:30 | 8:30 PM20:30 | 9:30 PM21:30 | 10:30 PM22:30 |
For a 7:00 AM wake-up, being asleep by 9:00 PM (21:00) gives 10 hours, right in the middle of the recommended range.
Clubs, sport and sleepovers
At 9, many children have after-school clubs, sport and a busier social life. These are good for them, and regular exercise often helps children fall asleep more easily. The catch is that late practices and evening events can push bedtime back.
Try to keep energetic activities earlier in the evening where you can, and leave at least an hour between a late match or practice and lights-out. Sleepovers usually mean a short night; plan a quieter, earlier evening the next day rather than letting your child sleep until lunchtime, which can make the following night harder.
Signs a 9-year-old may need more sleep
- They’re hard to wake on school mornings, or sleep much longer at weekends.
- They’re grumpy, tearful or quick to lose their temper, especially after school.
- Teachers mention trouble concentrating or daydreaming in class.
- They fall asleep in the car on short trips.
If several of these sound familiar, move bedtime 15 minutes earlier every few nights and see if mornings get easier. If your child snores loudly most nights, or still seems tired after a few weeks of earlier bedtimes, talk to their doctor.
A simple bedtime routine for a 9-year-old
A short, predictable routine still helps at 9: screens off about an hour before bed, a bath or shower, teeth, and 15–20 minutes of reading in bed before lights-out. Keeping the same order every school night means less arguing and makes it easier for your child to switch off.
More answers
- How much sleep an 8-year-old needsNearby answer
- How much sleep a 10-year-old needsNearby answer
- How much sleep a 7-year-old needsNearby answer
- How much sleep an 11-year-old needsNearby answer
- Bedtime for a 4 AM wake-upRelated answer
- Bedtime for a 4:15 AM wake-upRelated answer
- Bedtime for a 4:30 AM wake-upRelated answer
- Bedtime for a 4:45 AM wake-upRelated answer
Frequently asked questions
What time should a 9-year-old go to bed?
It depends on when they wake up. For a 7:00 AM (07:00) wake-up, being asleep between 8:00 PM (20:00) and 10:00 PM (22:00) gives 9–11 hours. Many families aim for lights-out around 8:30 PM.
Is 9 hours of sleep enough for a 9-year-old?
Yes, 9 hours is at the low end of the recommended 9–11 hours. If your child sleeps 9 hours and wakes easily and seems well rested, that is fine. If they seem tired, try a little more.
Why do some sources say 9–12 hours?
The American Academy of Sleep Medicine recommends 9–12 hours for ages 6 to 12. SleepCalcHub uses the National Sleep Foundation’s ranges throughout, which give 9–11 hours for ages 6 to 13.
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Sources
- Hirshkowitz M, et al. National Sleep Foundation’s sleep time duration recommendations: methodology and results summary. Sleep Health, 2015;1(1):40–43. doi:10.1016/j.sleh.2014.12.010.
- Paruthi S, et al. Recommended Amount of Sleep for Pediatric Populations: A Consensus Statement of the American Academy of Sleep Medicine. Journal of Clinical Sleep Medicine, 2016;12(6):785–786. doi:10.5664/jcsm.5866.
- Centers for Disease Control and Prevention. About Sleep.
When to seek help
Talk to your child’s doctor if they:
- snore loudly most nights, or pause, gasp or snort while asleep;
- are very hard to wake, or are often sleepy, irritable or struggling to focus during the day;
- regularly take a long time to fall asleep or wake often in the night;
- have sleep problems that are affecting school, mood or family life.