15-Month-Old Sleep Schedule
Most 15–17-month-olds take one midday nap, often 1.5–2.5 hours long.
15-Month-Old at a glance
| Wake windows | 5h – 5h |
|---|---|
| Naps per day | 1–2 |
| Typical bedtime | 6:30 pm – 8:15 pm |
| Total sleep per 24 hours | 11–14 hours * |
Sample 15-month-old schedule (1 nap)
Based on a 7:00 am wake-up. Use the calculator above for your own times.
| Time | Event | Length |
|---|---|---|
| 7:00 am | Wake up | |
| 12:00 pm – 2:15 pm | Nap 1 | 2h 15m (after 5h awake) |
| 7:15 pm | Bedtime | after 5h awake |
2-nap version
| Time | Event | Length |
|---|---|---|
| 7:00 am | Wake up | |
| 10:30 am – 11:15 am | Nap 1 | 45m (after 3h 30m awake) |
| 3:00 pm – 3:45 pm | Nap 2 | 45m (after 3h 45m awake) |
| 7:45 pm | Bedtime | after 4h awake |
What to know at this age
- If the new single nap is short, an earlier bedtime helps for a few weeks.
- A nap starting around 12–1 pm suits most children on 1 nap.
- Walking and language milestones can briefly disturb sleep.
Common questions
How long should a 15-month-old nap?
Commonly 1.5–2.5 hours in a single nap.
My 15-month-old still needs 2 naps — is that OK?
Yes. Use the 2-nap option; many children make the switch closer to 18 months.
Schedules by age
- Newborn (0–4 weeks)
- 1 month
- 2 months
- 3 months
- 4 months
- 5 months
- 6 months
- 7 months
- 8 months
- 9 months
- 10 months
- 11 months
- 12–14 months
- 15–17 months
- 18–23 months
- 2 years
* Total sleep ranges: American Academy of Sleep Medicine consensus, 2016. Wake windows and nap counts are typical ranges; every child is different.