Why Won't My Toddler Sleep? Not Without You, Not Before 9, Not Through the Night

At every age, sleep is tied to feeling safe. When a toddler who slept well stops sleeping, either the evening has become a mess, or something feels less safe to them, and sometimes it is simply a bad week. Find which one it is. Then move them towards sleeping alone slowly, in steps, never all at once.

First, for babies under one

Everything below is about toddlers, after the first year. For babies, safety comes first, and these lines are taken from official guidance, not rewritten. The American Academy of Pediatrics recommends that parents sleep “in the same room – but not in the same bed as a baby”, “preferably for at least the first six months.” On bed-sharing it says: “The evidence is clear that this significantly raises the risk of a baby’s injury or death” and “for that reason AAP cannot support bed-sharing under any circumstances” (AAP, HealthyChildren).

The principle: sleep follows safety

A child sleeps when the world feels safe enough to let go of. That is true at two, at ten and at forty.

So when a toddler who slept well suddenly doesn’t, I don’t start with the child. I start with two questions:

1. Did we change the evening? Later bedtimes, screens before bed, a noisy house, a different person putting them down. Often the sleep didn’t break by itself; we broke it. That is the easier case. Put the evening back.
2. Did something make them feel less safe? A new sibling, a move, a new nursery, a parent away, shouting in the house, a fright. If the evening hasn’t changed, look here.

You live with this child. You already know more than any website. You only need to look.

“My toddler won’t sleep without me in the room”

My view is plain: it is natural for a young child to sleep close to their mother up to around two, two and a half. That closeness builds the feeling of safety that later lets them sleep alone. I don’t see it as a problem to fix early.

What I do see as a problem is the other extreme: a child pushed into their own room overnight “so they grow up.” That usually brings more crying, more night waking and more fear, not independence.

“My toddler won’t go to sleep until 9pm” (or 2am)

Before blaming the child, look at the day:

• Is there a routine at all? The same steps, in the same order, at the same time: bath, pajamas, a story, lights down. Once a child starts walking and doing things for themselves, it is time to build a system, for the bottle and for sleep.
• What happens in the last hour? Screens, rough play and a busy house wake a child up. The last hour should get quieter, not louder.
• How long is the nap, and how late? A long late nap can push the night back.

Official guidance says children aged one to two need eleven to fourteen hours of sleep in twenty-four hours, naps included, and three- to five-year-olds need ten to thirteen (Paruthi and colleagues 2016, endorsed by the AAP). Count backwards from the morning wake-up to find a realistic bedtime.

“My 2 year old won’t sleep through the night” and comes to our bed

A child who wakes and walks to your bed usually wants one thing: more warmth, more closeness, the reassurance that you are still there. There is nothing strange in that.

Don’t treat it as a battle. Notice it, and ask what changed. Then answer the need during the day as well as at night: more time together before bed, a few minutes of your full attention, a calm, predictable evening. When the day feels safer, the night often follows.

“My toddler suddenly stopped sleeping”

This is where watching pays off. In the weeks when sleep goes well, notice what keeps repeating: the time, the story, the toy, who puts them down, how quiet the house is. That is your child’s recipe.

When sleep suddenly falls apart, compare. Something left the recipe, or something new arrived. A missing toy, a new voice, a change at nursery, a tense house. Find it, and you usually find the answer.

Moving to their own bed: three steps, not one jump

Somewhere around three or four, most children can learn to sleep on their own. Before school starts is the time to aim for. Leave it much longer and the habit becomes far harder to undo.

Do it in steps:

1. Beside me. Still close, still safe.
2. In their own bed, next to mine. Same room, own place.
3. In their own room. With the same routine, the same story, the same goodnight.

At each step, encourage. “You’re big now.” “You did it.” “Well done, you slept in your own bed.” Children grow into the words we give them. Praise the courage, and don’t shame the nights that go backwards. They will.

What doesn’t work is moving them all at once, from your bed to a room down the hall in one night. That teaches fear, not independence.

When to see a doctor

Most sleep trouble in toddlers is about routine and reassurance. But some signs point to a breathing problem in sleep, called obstructive sleep apnoea. These lines are taken from official guidance, not rewritten. The Royal Children’s Hospital Melbourne says parents may notice that their child:

• “has loud snoring, pauses in breathing and difficulty breathing during sleep”
• “chokes, gasps or snorts in their sleep”
• “is restless and sweaty while asleep”
• “sleeps in unusual positions, e.g. propped up high on pillows”
• “breathes through their mouth instead of their nose at night”
• “has headaches and/or is tired in the morning”

“If you suspect your child has OSA, take them to see your GP.” (Royal Children’s Hospital Melbourne)

Also talk to your child’s doctor if sleep stays badly disturbed for weeks with no change you can find, or if you are simply worried.

For older children, see Why Won’t My Child Go to Bed?

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Next step

Work out a realistic bedtime from the morning wake-up, then write down tonight’s routine and what happened. Bedtime calculator → What happened before the meltdown? →

Where you live: some guidance quoted here is from the UK's health service. A "GP" is your family doctor, and 111 and 999 are UK numbers. Use your own doctor, health line and emergency number.