One week your child is sleeping brilliantly. The next, they're waking through the night, resisting naps, or refusing bedtime altogether.
This shift, known as a sleep regression, is completely normal. It's often tied to your child building the same skills, focus, independence, and self-regulation, that support their learning and school readiness down the track.
What Is a Sleep Regression?
A sleep regression is a temporary change in a child's sleep patterns, following a period of settled sleep. It isn't a step backwards.
It's usually a sign that your child's brain is hard at work on a new skill or stage of development, and sleep is often the first thing disrupted while that learning takes hold. Most regressions last two to six weeks.
It's worth remembering that not every rough patch is a true regression. Teething, illness, or a change in routine can cause similar disruption. If it lines up with one of the age windows below, a regression is the more likely cause.
When Do Sleep Regressions Typically Happen?
While every child develops at their own pace, sleep disruptions tend to cluster around a few key ages.
- 4 months: Often the first regression parents notice, and usually a permanent shift. Your baby's sleep cycles mature from a newborn pattern into a more adult-like structure, meaning more frequent waking between cycles until they learn to resettle.
- 8 to 10 months: This stage often lines up with crawling, pulling up to stand, and the emergence of separation anxiety.
- 18 months: Often the toughest regression, coinciding with a burst of independence, big emotions, and boundary testing at bedtime.
- 2 years: Growing language, imagination, and independence can bring a further dip in sleep, sometimes alongside new fears or the move out of a cot.
Why Do Sleep Regressions Happen?
Sleep regressions are closely tied to bursts of physical, cognitive, and emotional development, the same growth that underpins school readiness.
Separation anxiety plays a role at several of these ages. According to Raising Children Network, it's a normal part of development that typically begins around six to seven months and peaks between fourteen and eighteen months.
Recognising these shifts as developmentally appropriate, rather than a discipline issue, makes them easier to navigate calmly and consistently.
Practical Ways to Support Your Child at Home
- Keep routines consistent: a predictable sequence before sleep gives your child something familiar to anchor to, even when everything else feels unsettled.
- Offer reassurance, not new habits: extra comfort is fine during a regression, but try to avoid introducing sleep associations you'll need to undo later.
- Watch wake windows: an overtired child sleeps worse, not better, and appropriate wake windows change as your child grows.
- Give yourself grace: regressions are genuinely tiring, and it's fine to lower the bar elsewhere while you get through one.
- Remember it's temporary: most regressions ease within a few weeks as your child consolidates their new skill.
How Kids Academy Supports Sleep and Rest
Our approach to rest is guided by our Lifelong Learning Curriculum, which recognises that consistent, quality sleep underpins your child's focus, resilience, and readiness to learn.
Every child has an individual rest plan, reviewed regularly and shaped in partnership with families. If your child is moving through a regression at home, our educators can work with you to keep routines aligned.
Our structured daily rhythm, consistent educators, and calm rest environments give children the predictability they need to settle well, even during a tricky developmental stretch.
That same predictability carries over into how we prepare children for school. A consistent day-to-day rhythm, including rest, is one of the ways we help children build the stamina and self-regulation they'll rely on in a classroom.
For more on supporting sleep at home, see our guides on safe sleep tips for babies, toddlers and preschoolers and tips from an educator to help your child sleep better.
If your child's sleep changes are lasting longer than a few weeks, or seem out of step with their usual development, it's worth having a chat with your GP or child health nurse.