Most babies move from three naps to two naps between 6.5 and 8 months old. Some are ready a little earlier, and others hold on to that third nap until closer to 9 months. The timing depends less on the calendar and more on what your baby is showing you through their behavior and sleep patterns.
Why the Transition Happens
As your baby’s brain matures, it becomes more efficient at processing and storing information during waking hours. In younger babies, the need for sleep builds up quickly because the brain relies heavily on sleep to consolidate new experiences. Research published in the Proceedings of the National Academy of Sciences found that as the memory network in the brain matures, it stores information more efficiently, which slows down how fast sleep pressure accumulates. In practical terms, this means your baby can handle being awake for longer stretches without becoming overtired, and that third short nap eventually becomes unnecessary.
Signs Your Baby Is Ready
Age alone isn’t enough to decide. Your baby should be within the 6.5 to 8 month range AND consistently showing at least one of these patterns for a week or two:
- Regularly refusing or protesting a nap. Not just one bad nap day, but a clear pattern of fighting that third catnap.
- Consistently short naps. Earlier naps that used to be solid start shrinking because sleep pressure is spread too thin across three naps.
- Bedtime creeping past 8:00 PM. If fitting in the third nap pushes bedtime unreasonably late, the schedule is no longer working.
- New night wakings or early morning wakings. These can signal that the overall schedule needs adjusting.
One off day doesn’t mean it’s time. Look for a consistent pattern over 1 to 2 weeks before making changes.
The False Transition at 10 Months
Around 10 months, many babies start resisting their morning nap, which can look like they’re ready to drop down to one nap. They’re not. The morning nap plays a critical role in preventing overtiredness at this age, and most babies aren’t truly ready for one nap until 14 to 18 months. If your baby is fighting naps around 10 months but is already on a two-nap schedule, the fix is usually adjusting wake windows rather than eliminating another nap.
What a Two-Nap Schedule Looks Like
The most commonly used framework is the 2-3-4 guideline: about 2 hours awake after your baby wakes for the day, 3 hours awake between the two naps, and 4 hours awake before bedtime. These windows stretch gradually as your baby gets older.
For a 7-month-old waking at 7:00 AM, that might look like:
- 9:15 to 10:45 AM: First nap (about 1.5 hours)
- 1:45 to 3:15 PM: Second nap (about 1.5 hours)
- 7:15 PM: Bedtime
By 11 months, wake windows have stretched and the schedule shifts:
- 10:00 to 11:30 AM: First nap (about 1.5 hours)
- 3:00 to 4:00 PM: Second nap (about 1 hour)
- 8:00 PM: Bedtime
Total sleep needs for babies 4 to 12 months old fall between 12 and 16 hours in a 24-hour period, including nighttime sleep. On a two-nap schedule, most babies get 2.5 to 3 hours of daytime sleep split across the two naps, with the rest coming overnight.
How to Make the Transition Smoother
You don’t need to cut the third nap cold turkey. Most babies do better with a gradual approach over 1 to 3 weeks. Start by stretching the wake windows slightly before each nap so that more sleep pressure builds before the last nap of the day. This often makes the catnap easier to achieve while your baby adjusts.
On days when your baby skips the third nap but clearly can’t make it to a reasonable bedtime (generally no earlier than 6:00 PM), try offering a short nap on the go. A quick stroller walk or car ride can buy you a 15 to 20 minute catnap that takes the edge off. On days where the third nap just isn’t happening, pull bedtime earlier. A 6:00 or 6:30 PM bedtime for a few weeks won’t cause lasting schedule problems, and it’s far better than pushing through to an overtired meltdown.
Expect some messy days. Your baby might take three naps one day and two the next. That inconsistency is completely normal during the transition and typically sorts itself out within a couple of weeks.
Signs You Moved Too Early
If you drop the third nap and your baby starts waking more at night, waking earlier in the morning, or suddenly fighting the remaining two naps, overtiredness is the likely culprit. This happens when your baby can’t yet tolerate the longer wake windows that a two-nap schedule demands. The fix is straightforward: bring the third nap back for another few weeks and try again later. There’s no penalty for going back.
How the Sleep Environment Helps
Longer, more consolidated naps are easier for babies to achieve in a dark room. A study of over 1,200 mother-infant pairs found that babies who always slept in a dark room got nearly 30 more minutes of nighttime sleep and had stretches of uninterrupted sleep that were 39 minutes longer compared to babies in lighter rooms. Light suppresses melatonin and has an alerting effect, even in very young babies. If your baby is struggling to lengthen their naps during the transition, blackout shades can make a real difference. Keeping screens and blue light out of the sleep space helps too.