If you’ve heard of “sleep regression”, you’re not alone. Many parents notice that their baby’s sleep suddenly becomes more disrupted — naps are refused, bedtime takes longer, or there are more night wakings than before.

These changes are most often mentioned around 4 months and 8 months, but they can happen at other ages too. The truth is — the term “sleep regression” doesn’t actually exist in scientific research.

And I don’t love it, for a few reasons.

1. It makes parents anxious.
The idea that something negative and inevitable is coming can cause stress — even before anything happens. You deserve to enjoy this stage without fear of what might come next.

2. It’s not accurate.
Your baby hasn’t lost a skill. Sleep isn’t something they learn — it’s a biological function. So your baby can’t “forget” how to sleep.

3. Sleep changes are a sign of development.
Babies’ sleep often becomes unsettled during times of rapid growth or new milestones — like rolling, sitting, crawling, or walking. It’s a sign of progress, not regression.

4. Your baby’s sleep needs are changing.
Around 4 months, many babies need slightly less daytime sleep. Around 8–9 months, many are ready to move from 3 naps to 2. Adjusting nap lengths and timings can often make a big difference.

So instead of calling it a regression, I prefer to think of it as a developmental sleep shift — a completely normal part of your baby’s growth.

Between 3 and 6 months, your baby’s sleep pattern matures into a more “adult-like” rhythm.

When babies are newborns, they fall asleep straight into REM (active) sleep, and only later drift into deeper sleep. Around this stage, though, the brain begins to cycle through NREM (non-REM) sleep stages first, before reaching REM.

Here’s how it looks:

• NREM1 – Drowsy stage: the lightest sleep, transition from wakefulness.

• NREM2 – Light sleep.

• NREM3 – Deep, slow-wave sleep: the body is completely relaxed.

• REM – Active sleep (where dreaming occurs).

When this change happens, your baby’s sleep may feel lighter or more fragmented. You might notice:

• It’s harder to transfer them to the cot after falling asleep.

• They wake more frequently at night.

• Settling takes longer.

This doesn’t mean something’s wrong — it means their nervous system is learning a new pattern. For most babies, this adjustment period lasts around 2–6 weeks.

So what feels like “worse” sleep is actually your baby’s brain maturing and learning the complex sleep architecture they’ll use for life.

Some babies barely show any changes, while others have a few weeks of very intense nights. Sensitive babies often react more strongly to developmental leaps — not because they’re “worse sleepers”, but because they feel change more deeply.

So if your baby suddenly starts waking more or struggles with naps, it’s not a setback — it’s a natural, temporary phase of growth.

Your loving presence and gentle support help your baby’s nervous system adjust with ease.

Here’s what truly helps:

🌿 Lots of physical closeness — cuddling, contact naps, babywearing, gentle rocking.
💤 Optimise sleep pressure and rhythm — watch for tired cues, adjust nap timings if needed.
🕯️ Create calm — dim lights, soothing routines, white noise if helpful.
💞 Rest for everyone — take turns at night, nap when you can, and protect your own rest.

Many families find that during this phase, co-sleeping or room-sharing feels like the most natural and restful solution — and that’s completely okay if it’s safe and works for you.

It’s very common for parents to wonder if giving solids might help their baby sleep better around this age. You may even hear advice from family or friends to “try some baby rice” or “give a bit of cereal at bedtime.”

But research shows there’s no evidence that solids help babies sleep longer. In fact, they can have the opposite effect.

Here’s why:

• Solids usually contain fewer calories than milk.

• They may fill babies up but with less nutrition.

• They can reduce a breastfeeding mother’s milk supply.

• Babies’ digestive systems are not mature enough before 6 months.

• Early solids can increase exposure to allergens or pathogens.

Milk — whether breast or formula — provides everything your baby needs until around 6 months. And night feeds remain completely normal and beneficial for growth, connection, and brain development.

At 3–6 months, your baby is learning so much:

• Rolling and moving

• Making sounds and cooing

• Exploring with their hands and mouth

• Becoming more aware of their surroundings

• Developing new brain connections at lightning speed

Their brains are incredibly active — and a lot of that learning happens at night.

The brain’s main source of energy is glucose, which babies get from milk. So it makes perfect sense that they may need an extra feed or two overnight.

Babies don’t wake only because they’re hungry — they also wake for comfort, reassurance, and connection. Feeding is about so much more than calories.

A Kinder Way to Think About It

Instead of calling it a regression, try thinking of it as sleep progression — a sign of beautiful development unfolding.

Your baby isn’t going backwards. Their brain is maturing, their body is learning, and they’re seeking closeness as they adjust.

So if nights feel long or naps are tricky, take a deep breath and remind yourself:

💜 This is temporary.
💜 My baby is learning.
💜 We’re growing through this together.

Gentle Self-Care for You

You’re not just helping your baby through a developmental shift — you’re going through one too.
Your body, mind, and heart are all adjusting to this new rhythm. Be kind to yourself through it.

Self-care doesn’t need to be another task. It can be as simple as a pause, a breath, a moment of awareness.

When the night feels long or your thoughts start spiralling, try quietly asking yourself:

💭 “Who does this belong to? Is this pressure or worry even mine — or just what I’ve absorbed from others?”

🌿 “What else is possible here? What if this night didn’t have to mean I’m failing — just that my baby is growing?”

💗 “If I trusted myself right now — as a mother, as the expert on my baby — what would I choose?”

You might notice your shoulders drop a little. Your breath softens.
That’s your nervous system remembering safety — and your intuition returning.

Every small act of care for you ripples out to your baby.
Because when you feel calmer, they feel calmer too.

I offer personalized support tailored to your family’s unique needs.

Whether you’re struggling with sleep challenges, navigating big emotions, or want to deepen your connection, I’m here to guide you with gentle, attachment-focused, science-backed strategies.

Explore my 1-on-1 consultations and resources designed to empower you with knowledge and confidence, so you and your baby can thrive together.

Ready to support your baby’s sleep while nurturing secure attachment? Download my Free Sleep Support Guide to learn gentle, practical techniques for better nights and calmer days.