Wake Windows by Age: The Complete Chart
How long should your baby stay awake between sleeps? This chart covers every age from newborn to 3 years — wake windows, nap counts, day and night sleep totals, and ideal bedtimes — with a dedicated guide and sample schedule for each age.
Prefer to skip the math? Use the free wake windows calculator to get today's schedule instantly.
| Age | Wake windows | Naps | Day sleep | Night sleep | Bedtime |
|---|---|---|---|---|---|
| Newborn (0–4 Weeks) | 45–60 minutes | 4–6 naps | 6–8 hours | 8–9 hours (broken by feeds) | 8:00–10:00 PM |
| 1 Month Old | 45–75 minutes | 4–5 naps | 5–7 hours | 8–10 hours (with feeds) | 8:00–10:00 PM |
| 2 Months Old | 45–90 minutes | 4–5 naps | 4.5–6 hours | 9–10 hours (with 2–3 feeds) | 8:00–9:30 PM |
| 3 Months Old | 1–1.75 hours | 3–4 naps | 4–5 hours | 9–11 hours (with 1–2 feeds) | 7:30–9:00 PM |
| 4 Months Old | 1.5–2.25 hours | 3–4 naps | 3.5–4.5 hours | 11–12 hours | 7:00–8:00 PM |
| 5 Months Old | 1.75–2.5 hours | 3 naps | 3–4 hours | 11–12 hours | 7:00–8:00 PM |
| 6 Months Old | 2–3 hours | 3 naps | 2.5–3.5 hours | 11–12 hours | 7:00–8:00 PM |
| 7 Months Old | 2.25–3 hours | 2–3 naps | 2.5–3.5 hours | 11–12 hours | 7:00–8:00 PM |
| 8 Months Old | 2.5–3.5 hours | 2 naps | 2.5–3 hours | 11–12 hours | 6:30–7:30 PM |
| 9 Months Old | 2.5–3.5 hours | 2 naps | 2.5–3 hours | 11–12 hours | 7:00–8:00 PM |
| 10 Months Old | 3–3.5 hours | 2 naps | 2.5–3 hours | 11–12 hours | 7:00–8:00 PM |
| 11 Months Old | 3–3.75 hours | 2 naps | 2–3 hours | 11–12 hours | 7:00–8:00 PM |
| 12 Months Old | 3–4 hours | 2 naps | 2–3 hours | 11–12 hours | 7:00–8:00 PM |
| 15 Months Old | 3.25–5.5 hours | 1–2 naps | 2–3 hours | 11–12 hours | 7:00–8:00 PM |
| 18 Months Old | 4–6 hours | 1 nap | 1.5–2.5 hours | 11–12 hours | 7:00–8:00 PM |
| 2 Years Old | 5–6 hours | 1 nap | 1.5–2 hours | 10.5–12 hours | 7:30–8:30 PM |
| 3 Years Old | 6+ hours | 0–1 nap | 0–1 hour | 10.5–12 hours | 7:30–8:30 PM |
How to use wake windows
Start the clock when your child wakes up— from night sleep or from a nap. The window ends when they're back asleep, so the wind-down routine happens inside the window, not after it.
Use shorter windows early, longer windows late. Most children handle the least awake time before the first nap and the most before bedtime. That's why our per-age guides show progressive windows across the day.
Pair the clock with sleepy cues.Yawning, eye-rubbing, staring off, and clinginess mean sleep is due soon — start the wind-down. Hyperactivity and meltdowns usually mean you've passed the window.
Expect windows to stretch.If naps suddenly shorten or bedtime becomes a fight at the same schedule, your child's windows have likely grown — or a nap transition is coming.
Guides by age
Newborn (0–4 Weeks)
45–60 minutes
1 Month Old
45–75 minutes
2 Months Old
45–90 minutes
3 Months Old
1–1.75 hours
4 Months Old
1.5–2.25 hours
5 Months Old
1.75–2.5 hours
6 Months Old
2–3 hours
7 Months Old
2.25–3 hours
8 Months Old
2.5–3.5 hours
9 Months Old
2.5–3.5 hours
10 Months Old
3–3.5 hours
11 Months Old
3–3.75 hours
12 Months Old
3–4 hours
15 Months Old
3.25–5.5 hours
18 Months Old
4–6 hours
2 Years Old
5–6 hours
3 Years Old
6+ hours
Frequently Asked Questions
What are wake windows and why do they matter?
A wake window is how long a child can comfortably stay awake between sleeps. When wake windows fit the child's age, falling asleep is easier and sleep is more consolidated. When they're too long (overtired) or too short (undertired), you see nap fighting, bedtime battles, night wakings, and early mornings.
How do I know if a wake window is too long or too short?
Too long: meltdowns before sleep, fighting sleep while clearly exhausted, short naps, frequent night wakings. Too short: playing or babbling in the crib for 20+ minutes, short naps, bedtime taking forever without distress. Adjust in 10-15 minute steps and hold each change for 3-4 days.
Do wake windows apply to night wakings too?
No — wake windows structure the daytime. At night, the goal is returning to sleep quickly. But daytime wake windows strongly influence nights: an overtired or undertired day is one of the most common hidden causes of night wakings and split nights.
When do wake windows stop mattering?
Once the nap is gone (typically ages 3-5), the "wake window" is simply the whole day, and a consistent, age-appropriate bedtime becomes the main lever. Until then, wake windows are the backbone of the daily schedule.
Stop guessing. Get a plan built for your child.
Take the free 2-minute sleep quiz and get a personalized 14-day plan based on your child’s age, habits, and biggest sleep struggle.
Get My Free Sleep Plan →Free plan included • Takes 2 minutes