A 12 month old is often awake 3½ to 4½ hours between sleeps, still taking 2 naps of about 1 to 1.5 hours each. Total sleep usually sits around 11 to 14 hours, with about 10 to 12 hours of that at night.
Twelve months is when the two to one nap question gets asked in earnest, often because a birthday feels like a milestone. In practice the switch usually happens somewhere between 13 and 18 months, and most 12 month olds are not there yet. Wake windows are practitioner heuristics rather than AAP or NHS guidance, so treat the range as a frame, not a rule.
What changes at 12 months
- The awake stretch lengthens again to 3½ to 4½ hours, so the day has noticeably more space in it than it did at 11 months.
- Total sleep guidance shifts at the first birthday to 11 to 14 hours, with about 10 to 12 hours at night, so slightly less overall sleep is normal now.
- Naps remain at 2 for most toddlers, though the morning one often starts feeling less essential than it did.
- Walking, climbing and a bigger vocabulary all arrive around now, and each can make the wind down take longer.
What tired looks like right now
- Tripping and falling more than usual while walking or cruising, which often turns up before any yawn.
- Suddenly wanting to be carried after happily walking around on their own.
- Losing interest in food they normally like at the meal before a nap.
- Rubbing their face into your shoulder or the sofa rather than rubbing their eyes.
When it goes sideways
Everyone says to drop a nap at one year, but mine still seems to need two
The two to one transition is widely assumed to happen on the first birthday, and it usually does not. Most toddlers make the switch somewhere between 13 and 18 months, and a 12 month old who still takes 2 naps of about 1 to 1.5 hours each is doing exactly what most do. Readiness usually shows as consistent refusal over two or more weeks, not a single hard week.
Daycare has moved them to one nap but we do two at home
Split routines are common at 12 months, since many settings run a single midday nap for the whole room. Most families keep 2 naps at home and treat daycare days as short sleep days, with an earlier bedtime to make up the difference. A toddler on one nap at nursery is often ready for bed noticeably sooner that evening. Consistency matters less than protecting total sleep.
Night sleep got worse right around the first birthday
A wobble around 12 months is common and usually short. Walking, new words, a change in milk feeds and stronger separation awareness often land in the same few weeks. The wake windows also lengthen to 3½ to 4½ hours, so a schedule that fit last month may now leave them undertired at bedtime. Adjusting the day before changing anything at night tends to work better.
Questions parents ask at this age
Why do people say to drop a nap at 12 months?
How long should a 12 month old be awake before bed?
How many hours of sleep does a 1 year old need?
Is it normal for a 12 month old to still take two naps?
What time should a 1 year old wake up in the morning?
Why has my 12 month old started waking at night again?
Should I cut the morning nap short at 12 months?
Is there a 12 month sleep regression?
How do I know if my 12 month old is ready for one nap?
Does a 12 month old still need a night feed?
