How to Handle Bedtime When Your Child Is Going Through a Growth Spurt (And Why Sleep Changes Everything)

One week your child floats through bedtime like an angel — bath, story, lights out, done. The next, they're ravenous at 7pm, crying for no obvious reason, and suddenly needing you in the room again long after you thought that phase was behind you. Before you conclude that everything has broken, take a breath: there's a very good chance a growth spurt is the culprit. Growth spurts are one of the most disruptive — and most underestimated — forces in a young child's sleep life. Understanding what's happening, and knowing how to respond, can make the difference between weeks of exhausting bedtime battles and a household that finds its rhythm again surprisingly quickly.

What Actually Happens During a Growth Spurt

Growth spurts are periods of rapid physical and neurological development that occur throughout childhood, but they tend to cluster around predictable ages: roughly 3–4 months, 6 months, 9 months, 12 months, 18 months, 2 years, and then again in waves through the primary school years. During these windows, your child's body is working overtime — bones are lengthening, muscles are developing, and the brain is laying down new neural pathways at a remarkable rate.

All of this takes energy, and a lot of it. Growth hormone is primarily released during deep sleep, which means sleep isn't just rest during a growth spurt — it's the main event. Your child's body is actively using sleep as a construction site. This is why many children sleep more than usual during intense growth periods, while others sleep fitfully because the physical sensations of growing (yes, growing pains are real) and the neurological buzz of rapid development can make settling difficult.

Why Bedtime Gets Harder (Even When Your Child Is Exhausted)

It seems contradictory: your child needs more sleep than ever, yet they simply cannot switch off at bedtime. Here's why.

Increased hunger is one of the biggest disruptors. The body demands more fuel during a growth spurt, and a child who hasn't eaten quite enough during the day will find it genuinely hard to settle — their body is sending urgent signals. If your child suddenly seems insatiable at dinnertime or keeps asking for snacks after their meal, that's the growth spurt talking.

Physical restlessness and discomfort also play a role. Growing pains — that dull, achy feeling in the legs that tends to strike in the evening and at night — affect a significant proportion of children aged 3–12. They're not dangerous, but they are uncomfortable, and a child who can't name what's wrong will often just cry, cling, or refuse to lie still.

Emotional regression is the piece that often catches parents most off guard. A child who was sleeping independently may suddenly want you back in the room. A toddler who'd given up the dummy may ask for it again. Rapid development is cognitively demanding, and children often temporarily regress to more babyish behaviour when their brains are under construction. This is completely normal — it's not a sign you've done anything wrong, and it won't last.

How to Adjust Your Bedtime Routine During a Growth Spurt

The instinct to power through with your existing routine is understandable, but a little flexibility during a growth spurt will serve you far better than rigidity.

Feed more, and feed earlier. Offer a more substantial, protein-rich evening meal during growth spurts — think eggs, cheese, chicken, lentils, or fish alongside their usual carbohydrates. If they're still hungry after dinner, a small, calm snack before bath time (a banana, some warm milk, a couple of oatcakes with peanut butter) can make a significant difference to how easily they settle. Avoid making this into a prolonged snack ritual that delays bedtime — keep it brief and matter-of-fact.

Build in extra wind-down time. A child whose body and brain are in overdrive needs more decompression time than usual. Extend your quiet period before bed by 15–20 minutes. Dim the lights earlier, lower the noise in the house, and choose calm, repetitive activities — colouring, a simple puzzle, or a warm bath with no rushing.

Address growing pains directly. If your child complains of leg aches in the evening, a gentle massage, a warm (not hot) compress on the legs, or some light stretching can genuinely help. Acknowledge what they're feeling — "Your legs are working really hard because you're growing so much" — rather than dismissing it. Children who feel heard become calmer.

Lean into the comfort they're seeking. If your child is regressing and wants more closeness at bedtime, give it generously — but keep the structure of the routine intact. Stay in the room a little longer. Add an extra story. Hold their hand while they drift off if that's what they need. You won't create a permanent habit by responding warmly to a temporary need. The structure is what matters; the warmth within it is what heals.

Making Story Time Work Harder During a Growth Spurt

One of the most powerful tools you have at bedtime — especially during an unsettled period — is a story that genuinely holds your child's attention and helps their nervous system downshift. A story that features them as the main character, navigating something recognisable (a long journey, a tiring day, a new challenge conquered), gives a child's busy brain something to organise itself around. It's part of why apps like Dreamtime, which generates a brand-new personalised bedtime story every night tailored to your child's name, age, and interests, can be particularly helpful during disrupted patches — there's always something fresh and engaging to look forward to, which keeps the bedtime routine feeling safe and special even when everything else feels wobbly.

When to Stop Worrying (And When to Check In With Your GP)

Most growth spurt-related sleep disruption resolves within one to three weeks. As the spurt levels off, your child's appetite will stabilise, the physical restlessness will ease, and — with a consistent, warm routine — bedtime will gradually return to normal.

You don't need to worry if your child is eating reasonably well overall, is happy and energetic during the day, and the disruption has been going on for less than a month. Keep the routine, keep the warmth, and trust the process.

Do speak to your GP if your child's growing pains are severe or persistent, if they're losing weight or refusing food for more than a few days, if the sleep disruption is accompanied by illness symptoms, or if you're simply struggling and need support. There's no threshold of difficulty you need to reach before asking for help — if you're exhausted and worried, that's enough reason.

A Gentle Reminder for Tired Parents

Growth spurts are hard. They arrive without warning, disrupt routines you've worked hard to build, and have a way of hitting at moments when your own energy reserves are already low. But they are also, at their core, a sign that your child is doing exactly what they're supposed to do — growing, developing, becoming more of themselves. The sleep disruption is temporary. Your child's need for your warmth and consistency during it is real and important. Lean into the routine, offer extra comfort without guilt, and know that in a week or two, you'll very likely look back and barely remember what all the fuss was about.