MOMally · Pediatric Sleep
Age-by-Age
Wake Window Guide

Wake windows change significantly in the first few months. Use these as ranges, not rigid rules — every baby is different, and developmental leaps, illness, or travel can temporarily shift what works.

Stage 01
Newborns
0–6 weeks
45–60 min
When in doubt, start the wind-down.

At this stage, your baby can barely stay awake long enough to finish a feeding. Wake windows are short and cues escalate fast. Err on the side of earlier. Newborn sleep is chaos, and that's actually normal.

Stage 02
6–12
weeks
60–90 min
Watch for early cues around the 60-minute mark.

Wake windows are stretching slightly, and you may start to see the beginning of a pattern. The 6-week fussiness peak can make this stage feel brutal — it passes.

Stage 03
3–4
months
75–120 min
Sleep architecture is maturing — stay consistent.

The 4-month sleep regression often hits right as wake windows are lengthening. Stay consistent with timing and wind-down cues even when sleep feels broken.

Stage 04
5 months
and up
Clock-based
Shifting from wake windows to a set daily schedule.

Most babies move to a clock schedule rather than a wake-window schedule. Assuming they are well-rested and sleeping independently, naps should be at the same time every day, leading to set nap and bedtimes.

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