You have a baby who fights the morning nap, then falls asleep in the car at 11:40 when you never meant them to. The afternoon nap keeps sliding later. Bedtime is sliding with it. Someone tells you they're ready for one nap. Someone else says that's far too early. And you're standing in the kitchen with a clock and a calculator, wondering which of them is right.
Here's what I want you to know before anything else. There is no date on the calendar when the second nap has to go. It's not a deadline you can miss, and you haven't got behind if your baby is still on two naps while your friend's has moved to one.
What there is, is a baby who is growing and changing, and a nap pattern that has to change with them. So let's look at what's really going on.
So when do babies move from two naps to one?
Most babies transition from two naps to one between 12 and 18 months, with 14 to 16 months being particularly common. Some make the move a little earlier, while others hold on to two naps for longer. All of that is normal.
What matters more than age is the pattern over a week or two. A single refused nap, or one day where everything goes sideways, doesn't tell you much at all.
Does this sound like your baby?
These are some of the signs that your baby may be ready to let go of the second nap. You're looking for several of them showing up together over a week or two:
The morning nap is getting harder. Your baby resists it, takes ages to settle or refuses it altogether.
The second nap is being refused, even after you've shortened the first.
Balancing both naps is pushing everything later. If you do manage two naps, bedtime keeps creeping later and later.
Naps are getting shorter, which can mean your baby isn't carrying quite as much need for daytime sleep.
Nights are getting bumpier. Bedtime may involve false starts, split nights or early mornings that weren't there before.
Your baby is restless in the early hours, rather than settling back down.
When you can see several of these signs for a good stretch, it may mean your baby's sleep needs are changing and the two-nap pattern no longer fits. But before dropping a nap altogether, there are a couple of other things worth considering.
Do they need one less nap, or just less daytime sleep?
This is an important distinction, because sometimes a baby starts refusing their second nap simply because they've already had plenty of daytime sleep, rather than because they're ready to manage on one nap.
For example, if your baby is having a long morning nap and then refusing the afternoon one, shortening that first nap might be enough to make two naps work again. They may still benefit from two opportunities to sleep, just with a little less sleep overall.
This is why I always look at the whole 24 hours rather than focusing on one nap. How much sleep is your baby having during the day? How long are their nights? And is the current pattern actually causing problems, or does it just look different from what a nap schedule says it ought to?
Or could it be something else?
This is the part that often gets missed. Almost every one of those signs can also be caused by something else, and one refused nap won't tell you which you're looking at.
A baby who suddenly fights naps could be in the middle of a developmental shift, with a brain busy practising new skills and very little interest in lying still. They could be teething, in which case this post on teething and sleep is worth a read. They could be coming down with something, or reacting to a change at home, a new setting or a different carer. Some babies feel change more than others, and if that sounds like yours, this post on sensitive babies might help you make sense of it.
This is especially worth bearing in mind if your baby is under 12 months. At that age, a refused nap is less likely to mean they're ready for one nap, so it's worth exploring the other possibilities first.
Rather than deciding from a single day, watch the pattern over a week or so and look at the whole day around it. What's been happening? How are they feeding? How are they in themselves? If the pattern is still there once the other possibilities have settled, that's when the naps themselves need a closer look.
What to do during the two-to-one nap transition
There isn't one right way to do this. Which option suits you depends on your baby, how they cope with change and what their current nap pattern looks like.
If the morning nap is already short, or your baby handles change easily, you may find that dropping it and moving the remaining nap towards the middle of the day works well.
If you'd rather ease into it, you can gradually shorten one nap while adjusting the timing of the other. Make small changes, give your baby around 3 to 5 days to adapt, and see how things are going before making another adjustment.
A short bridging nap can help. A brief morning nap of around 15 to 20 minutes may take the edge off tiredness until your baby is ready for a longer nap later on.
If the morning nap is the longer one, you might do it the other way round: shorten or drop the afternoon nap and gradually move the remaining nap later in the day.
And expect a messy middle. There will probably be days that look like one nap and others that look like two. That's a normal part of the transition, not a sign that something has gone wrong. You may find your baby manages happily on one nap after a good night's sleep but needs two the following day.
Naps can happen anywhere, too. In the pram, the car, in a carrier or on you all count, particularly while everything is changing. You don't have to organise your entire life around getting the transition just right.
What about bedtime?
Bedtime can get a bit unpredictable during this transition. A slightly earlier bedtime can work well for some babies, but moving it too far forward can lead to earlier morning waking if they're getting more night sleep than they need.
A short bridging nap is another option, even if it means bedtime ends up a little later. That's absolutely fine. The important thing is to consider sleep across the whole 24 hours rather than trying to make every day fit the same schedule.
The perfect nap time
Guess what? There is no one golden time for a nap. Please don't view the two-hour midday lunchtime nap as the holy grail. For some little ones it works beautifully. For others, it doesn't suit them at all.
You may have seen a number of hours quoted for how long a baby needs to be awake between naps. Those numbers are averages, and prescribed wake windows aren't supported by strong evidence as rules for individual babies. Your own baby's patterns will always tell you more than a chart will. If you find yourself watching the clock more than your baby, that's your cue to put the chart down.
Instead, look at the shape of the whole 24 hours. How long is the night? How much daytime sleep are they getting? Is your baby cheerful and settled for most of it? That's the picture to go by, not any single nap.
Give it time
It can be a bumpy time for you and your baby, especially if your baby is someone who feels changes in their routine. Expect some trial and error, and expect the answer to look different from one day to the next. Some children settle into one nap quite quickly, while others move back and forth between one and two naps for several weeks.
Having some structure is good for you as well as for your baby. I coped far better when I had a nap plan that worked. But stay led by your baby, stay responsive to their tired signals and be willing to change things when something isn't working. The plan serves the baby, not the other way around.
More to life than naps
Naps matter, but they shouldn't run your life. It's fine to bend the plan sometimes. A 'bad' nap day doesn't ruin anything, and a series of short naps in the pram on a day out doesn't undo the work you've done.
Life is meant to be lived, and naps are only temporary. Go and enjoy your little one.
Want to understand your baby's sleep more clearly?
If you'd like more support, there are a few ways I can help:
The Baby Sleep Builder is my guided tool for building a sleep rhythm around your baby, with nap guidance that grows with them.
My free resources page has simple guides you can start using today.
If you'd like to talk it through with me, you can book a discovery call and we can look at what's going on for your family.
Frequently Asked Questions
What age do babies drop to one nap?
Most babies move from two naps to one somewhere between 12 and 18 months, with 14 to 16 months being particularly common. Some get there earlier and some hold on to two naps for longer. Your baby's own pattern over a week or two tells you much more than their age does.
Is my 11-month-old ready to drop to one nap?
It's less common at 11 months, so it's worth looking at what else is going on first. A refused nap at this age may be linked to development, teething, illness or simply having too much daytime sleep. Sometimes a small adjustment to nap length or timing is all that's needed to make two naps work again.
How long does the two-to-one nap transition take?
It varies. Some babies settle into one nap quite quickly, while others alternate between one and two naps for several weeks. If you're gradually adjusting nap timings, give your baby around 3 to 5 days to adapt to each small change before reassessing.
Do I need to move bedtime earlier during the nap transition?
Not necessarily. A slightly earlier bedtime can work well for some babies, but bringing it too far forward may lead to earlier morning waking. A short bridging nap is another option, even if bedtime ends up a little later. What matters is how the whole 24-hour sleep pattern is working for your baby.
What if my baby needs two naps one day and one the next?
That's very common during the transition, and it doesn't mean you've got it wrong. Some days your baby may manage well with one nap, while on others they'll benefit from two. Let their tiredness and the shape of the day guide you rather than feeling you have to stick to the same number of naps every day.
