---
title: "12-month-old sleep: schedule and what to expect"
description: "How much a 1-year-old sleeps (the range changes: 11 to 14h), the 2 naps and the transition window, a flexible schedule, cow's milk and the bottle, and safe sleep in year two."
canonical: https://buppi.baby/en/blog/baby-sleep-12-months/
last-updated: 2026-10-21
---

# 12-month-old sleep: schedule and what to expect

> How much a 1-year-old sleeps (the range changes: 11 to 14h), the 2 naps and the transition window, a flexible schedule, cow's milk and the bottle, and safe sleep in year two.
>
> Canonical: https://buppi.baby/en/blog/baby-sleep-12-months/

Twelve months: first birthday, the 1-year check-up — and an official change in sleep that few people tell parents about. From now on, your baby enters the **1-to-2-year** recommendation band: **11 to 14 hours a day** — not a cut that happens on the birthday, but the band reflecting the slow, continuous decline of total sleep across childhood. In practice, daily life changes little — most keep **2 naps** and one long night stretch — but the **transition window to 1 nap** (12 to 18 months) officially opens, and new decisions enter the scene: cow's milk, bottle weaning, the lovey. This guide organizes it all.

## How much a 12-month-old sleeps

At 12 months the reference changes bands: the National Sleep Foundation recommends, for **ages 1–2**, **11 to 14 hours a day** counting night and naps (the American Academy of Sleep Medicine works with the same band). Night holds **10 to 12 hours**, and the day still splits, for most, into **2 naps**.

If your baby used to sleep close to 13–14 hours and now closes the day at 12h30, nothing broke — it's the natural trajectory: total sleep decreases slowly across all of childhood. The thermometer stays the same: a child who **eats well, gains weight, and is active and curious** awake. (The full picture by age is in the [how much sleep by age table](/en/blog/how-long-should-baby-sleep-by-age/).)

## Wake windows at 12 months

The **[wake window](/en/blog/wake-windows-by-age/)** usually sits between **3h30 and 4h30** at 12 months — practical reference ranges, not a clinical parameter: the range is the starting point, your child is the fine-tuning. The **last window of the day** remains the longest, and the pattern holds: too short a window makes shallow naps; too long, an **overtired** child, a worse night and an earlier morning. **Sleep cues** still beat the clock.

## Naps: the transition window opened — no rush though

At 1 year, most children still take **2 naps** (~1h to 1h30 each). The difference is that the **transition to 1 nap** has stopped being "too early" and become "a matter of time": it happens **between 12 and 18 months**, with many consolidating around **14 to 16 months**.

The ruler for telling a **strike** from a **real transition** is the same as in the [11-month guide](/en/blog/baby-sleep-11-months/) — consistency for 2+ weeks, the morning nap shortening or drifting later every day (and starting to swallow the afternoon one), nights staying good, mood handling the longer window. Birthday, molars, a virus or a hectic week do **not** count as signs.

When the real transition arrives, the typical movement is **gradual**: the single nap settles into early afternoon (11:30–12:30 at first, later afterwards), with 1-nap days and 2-nap days coexisting for weeks. On 1-nap days, **move bedtime earlier** — that's the safety valve. (At daycare, where the group sometimes already does 1 nap, the mixed scheme — 1 there, 2 at home — keeps working.)

## A flexible one-day schedule (still with 2 naps)

| Time (example) | What happens |
|---|---|
| 6:45–7:00 | Wake up and milk |
| 8:00 | Breakfast |
| 10:30–11:30 | 1st nap |
| 12:45 | Lunch |
| 15:15–16:15 | 2nd nap |
| 16:30 | Snack |
| 17:45 | Dinner |
| 19:00 | Milk, tooth-brushing, calm routine |
| 19:45–20:15 (varies) | Night sleep begins |
| Overnight | 0–2 wakings |

Note the order at the end of the day: **milk → brushing → bed**. At 1 year (with teeth, molars included), milk sitting in the mouth overnight is one of the main factors in **early childhood caries** (which is multifactorial — bacteria, dietary sugars and brushing all count) — the feed shouldn't be the last thing before lights-out. Use fluoride toothpaste in a grain-of-rice amount, as guided by your dentist or pediatrician.

## Cow's milk, the bottle, and sleep

The 1-year visit usually brings two changes with direct impact on the night:

- **Whole cow's milk**: from 12 months, it's usually cleared by the pediatrician in place of formula (breastfeeding can continue as long as mother and child want — the WHO encourages it to 2 years or beyond). Two AAP cautions: cap the total at about **2 to 3 cups a day (480–700 ml)** — excess milk displaces iron-rich solids and is a classic cause of iron-deficiency anemia in the second year — and expect neither miracle nor disaster for sleep from the switch. If it coincides with clearly worse nights, abdominal discomfort or skin symptoms, talk to the pediatrician: cow's milk protein allergy exists and can show up now.
- **The bottle**: the general guidance (AAP) is to **discourage bottles in the crib** and plan bottle weaning across the second year. A bottle at sleep onset combines three problems: caries, a sleep association (the child only falls asleep feeding — and asks for the same at every waking) and, lying down, an association with more ear infections. The practical path: move the evening milk to **before** the routine (in a cup, ideally), and let the final wind-down belong to the ritual.

Neither change needs to be abrupt — and neither needs to happen in birthday week. Agree on the plan with your pediatrician.

## The good news: the lovey

From **12 months**, per the AAP, a **transitional object** — a small, light-fabric lovey with no loose parts — poses little risk in the crib of a healthy, term-born child (when in doubt — prematurity, health conditions — check with your pediatrician first). For a child at the height of separation anxiety, it's quite a tool: a "piece of home" that stays with them all night.

- Choose something **small and washable** (and if it sticks, buy an identical backup — anyone who has lost the one-and-only lovey on a trip knows why).
- Introduce it in the **bedtime ritual**, every day, without forcing — attachment comes from habit.
- The rest of the crib stays **bare**: the lovey is the exception, not the gateway to pillows, blankets and big stuffed animals. No **cords, pacifier clips or ribbons** attached to it (strangulation risk), and nothing big or firm enough to become a climbing step.

## Nights at 12 months

The picture from previous months holds: many children get through the night in one **long stretch**, and **signaled wakings remain common** — from under 1 up to about 2 per night (sometimes more) in observational studies, with breastfed children feeding more often (brief quiet wakings are even more frequent). What weighs in at this stage:

- **Separation anxiety at its height** (peak between 9 and 18 months, intense around the birthday for many) — predictable routine, short goodbyes, peekaboo by day and, now, the lovey as an ally;
- **First molars** — bigger than incisors, they can bother more on eruption days (brief discomfort, not weeks of bad nights);
- **Walking practice** — the body wants to consolidate the novelty, sometimes overnight.

On **night feeds**: with good weight gain, many 1-year-olds have dropped them; others still need them or seek comfort. To reduce them actively, align with your pediatrician — preemies and children with slow weight gain remain a separate case.

## Safe sleep after the first birthday

Sudden infant death syndrome is, by definition, a first-year risk — what remains in year two are **suffocation, strangulation and fall** risks. The crib remains their place for a good while, and the practical rules change little:

> Crib with the mattress **on the lowest setting** and **bare** (the exception now is the small, light lovey). Pillow and blanket wait for the **transition to a bed** — usually between 18 months and 3 years, ideally only when the child climbs out or asks. A sleep sack remains the most practical warmth (foot-free models for walkers). A child who tries to **climb out of the crib** is a sign to review the whole room with climber's eyes: furniture, dresser, cords, curtains. And sleeping position is now up to them — at 1 year, they choose.

## What helps sleep at 12 months

- **A predictable routine** (bath, milk, brushing, lovey, dim light, a song) — same order, every day
- **Protecting the 2 naps** while they last — and, when the real transition comes, moving bedtime earlier on 1-nap days
- **Motor practice galore by day** — walking, climbing floor cushions, carrying things
- **A truly dark room** at the end of the night (the anti-5-a.m. playbook is in the [10-month guide](/en/blog/baby-sleep-10-months/))
- **Birthday party yes, guilt no**: one atypical day messes up one night, not a habit — resume the routine the next day and move on

About **sleep training**: structured methods remain a family decision, discussed with your pediatrician. Nothing is mandatory.

## When to talk to the pediatrician

- Your child is **very sleepy**, hard to wake, or **not gaining weight** as expected
- **Loud snoring, breathing pauses or labored breathing** during sleep — prompt evaluation, don't wait for the routine visit
- Sleep trouble with **fever, extreme irritability** or apparent pain (ear infection remains classic)
- At the 1-year visit, bring **development** too: not standing with support, not pointing, not babbling varied syllables or not responding to their name are points to assess as a whole — not diagnoses
- You are **exhausted beyond coping** — asking for help is also caring

## What to expect ahead

The first year closes with a sleeper in transformation: a new band (11–14h), the nap-transition window open, the lovey allowed, and milk-and-bottle decisions on the table. In the coming months the single nap consolidates (14–16 months for many), separation starts to ease, and the challenge becomes keeping the bed… inside the crib. The series continues toward 15 months — and the spirit doesn't change: your child's pace, consistency and safe sleep. (Meanwhile, the [10-month](/en/blog/baby-sleep-10-months/) and [11-month](/en/blog/baby-sleep-11-months/) guides still cover almost everything.)

## FAQ

### How much does a 1-year-old sleep per day?

At 12 months the recommendation changes bands: the National Sleep Foundation indicates 11 to 14 hours a day for ages 1–2 (the AASM also works with 11 to 14), counting night and naps. Night holds 10 to 12 hours and the day still splits, for most, into 2 naps. As always, weigh sleep together with feeding, weight gain and energy.

### Does a 1-year-old switch to just 1 nap?

Most not yet. The transition window opens now (12 to 18 months), but many babies only consolidate 1 nap around 14 to 16 months. The sign of a real transition is consistency for 2 weeks or more — the morning nap shortening or drifting later every day with nights staying good. Three bad days in a week of party, tooth or virus don't count.

### Can I give cow's milk in the bedtime bottle at 1 year?

From 12 months whole cow's milk is usually cleared by the pediatrician, but two cautions apply at night: milk sitting on teeth during sleep is one of the main factors in early childhood caries (brush after the last milk), and a bottle at sleep onset becomes a sleep association that's hard to undo. The general guidance is to discourage bottles in the crib and plan bottle weaning across the second year, with your pediatrician.

### My 1-year-old still wakes overnight. Is that normal?

Yes. In observational studies of this age range, signaled wakings remain common — from under 1 up to about 2 per night (sometimes more), with breastfed babies feeding more often. What weighs in now: separation anxiety (usually at its height), molars arriving and walking practice. The need for night feeds depends on each baby's growth and history — to reduce them, align with your pediatrician.

### When can I add a pillow and blanket to the crib?

Not yet. Sudden infant death syndrome is, by definition, a first-year risk — after the birthday what remains are suffocation, strangulation and fall risks, which is why the practical guidance is still a bare crib while your child sleeps in one. Pillow and blanket come with the transition to a bed (usually between 18 months and 3 years). What changes now: a lovey (a small transitional object) becomes acceptable in the crib from 12 months.