When do babies drop to one nap?

Part of Baby Sleeping Guides

When do babies transition to 1 nap? After the two-nap pattern, usually in the second year. The test is what you see, not a birthday on a chart. They fight the morning nap, or the afternoon nap makes bedtime late.

This page is for a child older than a newborn. A newborn still wakes to feed. Some newborns sleep about 8 hours in 24 hours. Some sleep up to about 18. Either is normal. That spread is not a one-nap day.

A parent online will ask for the month to switch. This page does not give one. You keep the two naps while that pattern still fits. You change when the signs keep showing.

The two-nap pattern comes first

A two-nap day is simple to name. Your child sleeps once in the morning and once in the afternoon. Then bedtime comes. The one-nap day is the day that pattern changes. It is not the first sleep plan, and it is not a newborn plan.

When do babies transition to one nap is the same question. The two sleeps come first. The single daytime sleep comes after, usually in the second year. You are not looking for that day in a baby who has only just started a morning sleep and an afternoon sleep.

A parent online will say their child skipped one nap and the house fell apart. One skip can happen because the morning was busy, the walk ran long, or they were hungry. You put the two-nap day back the next time. You do not retire a nap because a Tuesday went sideways.

If your child is still a newborn, this is the wrong page to use as a reason to drop a sleep. That early stretch is a wide range. They wake to feed. You are not training a one-nap day on top of that.

Signs the one-nap day is here

Watch the day, then watch the next ones. Two signs matter. They fight the morning nap. Or the afternoon nap makes bedtime late. Either sign, repeating, is the cue. A single grumpy morning is not.

Fighting the morning nap looks like a child who is offered the sleep and will not take it. They stand, they talk, they want to play, they call you back. They are not quietly settling and then waking because of a noise. The nap itself is the thing they refuse.

The other sign is about the evening, not the morning. They take the afternoon nap, and bedtime moves late. The night starts too far on. You are not guessing a clock time for that. You are noticing that the usual bedtime keeps slipping when that nap happens.

You see	What you do
They fight the morning nap, on more than one day	The morning nap is the one to question. Keep watching the afternoon nap.
The afternoon nap makes bedtime late, on more than one day	That nap is pushing the night. Do not drop the morning nap for this sign alone.
One fussy morning, then a normal day	Keep the two-nap pattern. One day is not the change.
They are hungry, teething, or seem ill	Those can wake them. If they seem ill, call a doctor. Do not treat it as a nap plan.

You do not have to drop both naps on the day you first notice a sign. The sign points at one of the two sleeps. A fought morning nap points at the morning. An afternoon nap that makes bedtime late points at the afternoon. Use the sign you actually see.

A parent online will ask which nap is the "right" one to keep. There is no extra rule on this page. When do babies go to one nap is answered by those signs, after the two-nap pattern, usually in the second year. The nap that still fits the day is the one you keep offering.

What is not a sign

A short nap is not, by itself, the end of two naps. Children wake early from noise, a wet nappy, hunger, or teeth. Teething can disturb sleep. Hunger can wake them. Neither one is a treatment plan, and neither one is a month on a chart.

This page does not give a gel, a dose, or a teething trick. If your child seems ill, call a doctor. If they seem well and only cross, check the usual things first: a feed, a nappy, the temperature of the room and their clothes, then a calm wind-down. You are not leaving them to cry so the nap count changes faster.

Do not use a fought bedtime, on its own, as the nap sign. The sign in this guide is specific. The afternoon nap makes bedtime late. A bedtime that is hard because of hunger or teeth needs that check first.

Do not drop a nap because an older child in the house has one nap. Your child still gets the pattern that fits the signs you see. Usually that change waits for the second year, and only after two naps have been the day.

When bedtime slides

This is the sign parents feel in the evening. The afternoon nap happens. The night starts late. Everyone is tired, and the next morning is harder. That pattern, on more than one day, is the sign. One late night after a long walk is not.

You do not fix a late bedtime by putting them to sleep in the car and calling it done. A car seat is not the sleep place. If they fall asleep there, you move them to a firm, flat cot as soon as it is safe. The same is true for a stroller, a swing, a carrier, or a sling. Those seats are not for routine sleep. Inclines over 10 degrees are unsafe.

You also do not fix a late bedtime by dropping every daytime sleep at once. Question the nap that is pushing the night. If they then fight the morning nap, that is the other sign. You can watch both. You still do not need a birthday to decide.

If bedtime is late and they also seem unwell, stop treating it as a nap puzzle. Call a doctor. A harder evening plus illness is not a reason to rewrite the day.

Where the nap happens

The number of naps can change. The sleep place does not. Every sleep starts on their back, on a firm, flat mattress, with a fitted sheet. For the first 6 months, that cot is in your room. A one-nap day is a later pattern. It is not a reason to move a young baby out of your room.

For the first year, keep the cot clear of a blanket, a lovey, and a soft toy. Offer a well-fitting sleep bag instead. No pods or nests. No loose blankets, pillows, bumpers, or soft toys. A blanket, if it is used at all, is tucked under the arms, with the feet at the foot of the cot, never loose over the face. The simpler plan for the first year is the sleep bag.

Once your child can roll both ways, you still start every sleep on their back. You can leave the position they find. Some babies roll from 3 to 4 months, and most by 7 months. If they cannot roll both ways, you do not leave them in a position you did not place.

Read My newborn sleeps on their side if the worry is the position in the cot. The nap count is a separate question. The back is where the sleep starts.

If they fall asleep on you, on a sofa, or in a seat, move them when it is safe. A hold can be a hold. It is not the nap place. You will feel the pull to stay there because they are finally quiet. The quiet is not the check. The flat cot is the check.

Hours after the first birthday

After the first birthday, total sleep is around 12 to 15 hours. That figure is night and daytime together. That is the range. This page does not split it into a night number and a nap number. The one nap is part of the total. You do not drop a nap to chase a figure.

This page does not set a minimum nap length. A shorter sleep can still be part of the day. Teething and hunger can still wake a child after the first birthday. Check those before you decide the nap is over. No gel and no dose belong here. If they seem ill, call a doctor.

The same safe sleep stays when the hours change. On the back to start. Firm and flat. A fitted sheet. A car seat, stroller, swing, carrier, or sling is not where you park the nap so the total looks right. If they nod off in one, move them to the cot as soon as it is safe.

When the signs have settled and the day has one nap, you can stop hunting for a second sleep they no longer take. If the signs fade and two naps fit again, you can offer two again. The second year is the usual window, not a switch you must throw on a date.

Frequently asked questions

Sources

Fact-checked

• NHS. Your baby's sleep patterns.nhs.uk
• NHS. Safe sleep advice for babies.nhs.uk
• NHS. Sudden infant death syndrome (SIDS).nhs.uk
• NHS Inform. Your baby's development from 2 to 12 months.nhsinform.scot
• American Academy of Pediatrics. Sleep-related infant deaths: updated 2022.publications.aap.org

Reviewed 2 November 2026. Nap timing on this page is the two-nap pattern, the second year, and the two signs. Sleep-place facts are from the NHS and AAP pages linked above.