Wake windows by age
How long babies usually stay awake between sleeps, how many naps they take and where bedtime tends to land with a 7:00 wake-up. The first window of the day is the shortest and the one before bed the longest.
AgeWake windowsNapsBedtime
Newborn0:40–1:00819:45
1 month1:00–1:15720:55
2 months1:15–1:30519:20
3 months1:15–1:45520:15
4 months1:45–2:15318:10
5 months2:00–2:30319:10
6 months2:00–2:45319:40
7 months2:30–3:15218:40
8 months2:45–3:30219:10
9 months3:00–3:45219:55
10 months3:00–3:45219:55
11 months3:00–3:45219:55
12 months2:45–4:00219:55
15 months5:00–5:30119:30
18 months5:00–6:00120:00
24 months5:00–6:00120:00
These are rules of thumb collected from sleep consultants and parents, not a medical standard. Use them as a start, then adjust to your baby.