Most babies drop down to one nap a day between 13 and 18 months old, though the full range stretches from 12 to 24 months. There’s no single “right” age for this shift. The timing depends more on your child’s behavior and sleep patterns than on hitting a specific birthday.
The Typical Age Range
The two-to-one nap transition is one of the biggest schedule changes in the first two years. While some toddlers are ready as early as 12 months, most make the switch somewhere between 13 and 18 months. A smaller number hold onto two naps until closer to age 2. If your 12-month-old suddenly starts refusing a nap, that doesn’t automatically mean they’re ready to drop it. A brief disruption around the first birthday is common and often resolves on its own within a week or two.
Signs Your Toddler Is Ready
Rather than picking a date on the calendar, watch for patterns that persist over roughly 10 to 14 consecutive days. A single off day is a fluke. Two weeks of the same behavior is a signal. Here are the most reliable indicators:
- Fighting one or both naps. Your toddler rolls around, talks, or plays instead of falling asleep at their usual nap time. They simply don’t seem tired enough.
- Bedtime battles. If adding two naps to the day means your toddler can’t fall asleep at their normal bedtime, or they’re staying up significantly later, they may have too much daytime sleep.
- Very early morning wake-ups. Waking at 5 a.m. ready to start the day can be a sign there’s too much total sleep happening during daytime hours.
- Lopsided nap lengths. One nap stretches longer while the other shrinks to almost nothing. When the morning nap takes over and the afternoon nap barely happens, the schedule is naturally consolidating.
- New nighttime disruptions. Waking 30 to 60 minutes after bedtime, long middle-of-the-night wake periods where your toddler seems wide awake and ready to play, or consistently early mornings all point to too much daytime sleep reducing their sleep pressure at night.
The key word is “consistent.” Every toddler has rough sleep days during teething, illness, or developmental leaps. You’re looking for a clear, repeating pattern over at least 10 days before making a permanent schedule change.
The 12-Month Sleep Regression Trap
Many parents get caught off guard around 12 months. Their baby suddenly refuses the second nap, and it feels like the transition is happening. But 12 months is a notoriously rocky time for sleep. Toddlers are learning to walk, their brains are processing new language, and separation anxiety often peaks. All of this can temporarily disrupt naps without meaning your child is done with two of them.
If your child is closer to 12 months and the nap resistance started abruptly, try holding your two-nap schedule for another two weeks. Offer the nap at the usual time, keep the room dark, and give them the opportunity to sleep even if they don’t take it every day. Many babies return to two solid naps once the regression passes. If the pattern persists well beyond two weeks, especially past 13 or 14 months, that’s stronger evidence they’re genuinely ready.
How to Make the Switch
Once you’re confident the signs are real, the transition itself typically takes two to four weeks before the new schedule feels settled. During that time, expect some messier days.
Start by gradually pushing the morning nap later. If your toddler was napping at 9:30 a.m., shift it by 15 to 30 minutes every few days until it lands around 12:00 to 1:00 p.m. This midday window works well because it splits the day roughly in half, giving your toddler enough awake time before and after to build appropriate sleep pressure.
In the first week or two, your toddler may not be able to stay awake comfortably until noon. That’s normal. If the single nap ends up short or early, you can temporarily move bedtime earlier to compensate. A bedtime as early as 6:00 or 6:30 p.m. is perfectly fine on days when the nap doesn’t go well. This prevents the overtiredness spiral that leads to worse sleep overnight.
Some families find it helpful to alternate between one-nap and two-nap days during the transition. On days when your toddler wakes unusually early or seems especially tired, offering a short second nap isn’t going to undo your progress. Flexibility during these few weeks matters more than rigid consistency.
What the One-Nap Schedule Looks Like
Once settled, most toddlers on a one-nap schedule sleep for roughly 1.5 to 3 hours in the middle of the day, typically starting between noon and 1:00 p.m. Wake windows on either side of the nap tend to be about 5 to 6 hours, though this varies by child. A common rhythm looks something like waking at 7:00 a.m., napping from 12:30 to 2:30 p.m., and going to bed around 7:30 or 8:00 p.m.
Total daytime sleep usually decreases slightly after dropping a nap. This is expected. Many toddlers compensate by sleeping a bit longer at night, so overall 24-hour sleep totals stay relatively stable. If your child seems well-rested, happy during wake windows, and falls asleep without a prolonged fight at bedtime, the schedule is working regardless of whether the numbers match a chart perfectly.
When One Nap Sticks Around
The single midday nap is one of the longest-lasting features of a toddler’s routine. Most children keep napping once a day until somewhere between 2.5 and 4 years old. So once you’ve navigated the two-to-one transition, you can expect this schedule to hold steady for a good stretch before the next (and final) nap transition arrives.