17-Month-Old Sleep Schedule

Seventeen months is the peak of the 2-to-1 nap transition for many toddlers — the month when one nap finally wins most days of the week. Expect wake windows of 5–6 hours, about 11–14 hours of total sleep, and a single midday nap that is still settling into its permanent slot. Physically, 17-month-olds are confident walkers and early runners; verbally, new words seem to arrive daily.

Wake windows: 5–6 hours

The one-nap rhythm at 17 months looks like: wake at 7 AM, nap around 12:30 PM, bedtime around 7:30–8 PM. During the transition weeks, some days will still need a short morning catnap — on those days, keep it to 30–45 minutes and ending by 10:30 AM so the midday nap and bedtime survive. The last wake window is the one to guard: much past 6 hours and bedtime turns into a marathon.

Getting through the transition peak

The hardest part of this transition is the late afternoon — a toddler who skipped the morning nap is often fading by 4:30 or 5 PM. Resist the urge to add a late catnap; instead, move bedtime earlier, even to 6:30 PM. Early bedtimes during transition weeks protect night sleep, and night sleep is what powers the consolidation of the single nap. Most families find the new rhythm clicks within 2–4 weeks. Our nap transitions guide has troubleshooting for the common stuck points, and the 18-month schedule is next — including the famous regression.

Milestones: moving and talking nonstop

Running (with frequent spectacular falls), beginning pretend play, and a vocabulary that can double in a month are the highlights. All that brain activity can leak into bedtime chatter or brief night wakings — usually a few nights, then it passes. Keep responses boring and brief at night so the crib stays a sleep place, not a practice stage.