Why Is My Baby Waking Every Hour at Night?

If you're reading this at an unthinkable hour while bouncing a baby who seems determined never to sleep again, you're in good company.

One of the most common messages I receive from parents goes something like this:

"My baby is waking every hour. Is this normal?"

Usually, the question arrives after weeks of broken sleep. Parents have often tried adjusting naps, changing bedtimes, buying blackout blinds, introducing white noise and scrolling through enough sleep advice to earn an honorary qualification in infant sleep.

As a Social Worker, mother of two and Paediatric Sleep Practitioner, I've sat with many exhausted families who are worried they've somehow caused the problem. They often tell me they feel as though everyone else's baby is sleeping through the night while theirs is waking constantly.

The truth is that hourly waking can happen for a number of reasons, and in many cases it's linked to normal development rather than something going wrong.

First Things First: Is It Normal?

Sometimes parents arrive expecting me to uncover a hidden sleep problem, only to discover that what they're seeing is actually a fairly typical stage of infancy.

Babies don't sleep like adults. Their sleep cycles are shorter and they spend more time in lighter stages of sleep. As they move between cycles, they often become briefly aware of their surroundings.

Think about the last time you woke up slightly in the night, rolled over, adjusted your pillow and went back to sleep. Most adults don't remember doing it. Babies do something similar, but some need a little help settling again.

That support might be a feed, a cuddle, a dummy, a hand on their chest or simply knowing a parent is nearby.

One family I worked with joked that their daughter seemed to have a sixth sense for when they finally sat down with a cup of tea. They'd settle onto the sofa and within thirty seconds the monitor would crackle into life. Every single time. Whilst they laughed about it later, at the time it felt relentless.

If that sounds familiar, know that you're certainly not the only parent wondering whether you'll ever drink a hot drink again.

Why Four Months Can Feel Like Everything Has Fallen Apart

A baby who previously slept reasonably well can suddenly begin waking far more frequently around four months.

Parents often describe it as if someone has "broken" their baby overnight.

What has actually changed is the way sleep is organised.

Around this age, infant sleep starts becoming more mature. Sleep cycles become more defined and babies move through lighter and deeper stages of sleep in a way that's more similar to older children and adults.

The downside is that some babies suddenly become much more aware when they transition between cycles. The result can be frequent waking, shorter naps and a baby who seems harder to settle than they were a few weeks earlier.

It's frustrating, but it's also a sign of development rather than regression.

Not Every Baby Needs The Same Amount of Sleep

This is something I find myself discussing almost daily.

Parents often arrive with a schedule they've found online and are worried because their baby doesn't seem to fit it.

The problem is that babies are individuals.

Some genuinely need more sleep than average. Others need less.

I remember a conversation between two mums at a baby group. One baby slept nearly three hours every afternoon and still managed a long night. The other was finished with their nap after forty-five minutes and ready to get on with their day.

The second mum was desperately trying to recreate the first baby's routine because she assumed that was what "good sleepers" did.

Neither child was doing anything wrong. They simply had different sleep needs.

That's why I encourage parents to look at the child in front of them rather than the baby sleeping beautifully on Instagram.

Could Overtiredness Be Playing a Part?

The word "overtired" gets thrown around a lot in the sleep world and opinions differ on how helpful the term is.

What we do know is that some babies struggle when they've been awake longer than they can comfortably manage.

You might notice they become harder to settle, wake more frequently overnight or seem unusually fussy by bedtime.

Parents are often told that keeping a baby awake for longer will make them sleep better at night. Occasionally that works for an individual child, but quite often it has the opposite effect.

It's a little like arriving home after an exhausting day and feeling so wired that you can't switch off.

Babies can experience something similar.

Does Feeding to Sleep Cause Problems?

This is one of those topics that creates a lot of unnecessary guilt.

Feeding to sleep is biologically normal. Many babies fall asleep whilst feeding because it's comforting, calming and helps them feel secure.

I fed both of my children to sleep at various points.

The question isn't whether feeding to sleep is right or wrong. The more useful question is whether it's working for your family.

For some parents, it remains a lovely part of bedtime and causes no difficulties at all.

For others, it becomes exhausting because their baby expects the same support every time they wake overnight.

When that happens, there may be gentle ways to introduce additional settling strategies, but feeding itself isn't the villain it's sometimes made out to be.

A Quick Word About Safe Sleep

Whenever we talk about improving sleep, safety has to come first.

The Lullaby Trust's safer sleep guidance recommends placing babies on their backs to sleep, using a firm, flat sleep surface, and keeping the sleep space clear of pillows, duvets, sleep positioners and loose bedding. Any sleep plan should work alongside safe sleep guidance, not compromise it.

So What Can Help?

Before making big changes, I usually encourage parents to become curious.

How much sleep is your child getting across a full 24-hour period?

Do they seem well rested during the day?

Are they waking happy or exhausted?

Has anything changed recently, such as development, illness, teething or childcare arrangements?

Small adjustments based on your child's individual needs are often far more effective than following a generic routine from the internet.

Final Thoughts

When you're up for the fifth or sixth time in one night, it's easy to assume something must be wrong.

Most of the time, there isn't a single cause behind frequent waking. Sleep is influenced by development, temperament, feeding, routines, environment and family circumstances. Sometimes several factors are happening at once.

That's one of the reasons I approach sleep through both a social work and sleep practitioner lens. Looking only at the sleep itself rarely tells the whole story.

If your baby is waking every hour, take heart. There is usually an explanation, even if it isn't immediately obvious. Understanding what's driving the waking is often the first step towards making nights feel more manageable for everyone.