Why I will not tell you the exact time your baby should sleep

I cannot tell you the exact minute your baby should go to sleep.

But I can help you get pretty close to knowing when they are ready.

That is because I do not use awake windows on their own.

I teach you to look at three things together: your baby’s awake window, their tired cues and their sleep pressure.

When you understand all three, you have a much better idea of when sleep is approaching and when it is time to start settling your baby.

Awake windows are helpful.

They are just not exact.

And I do not want you feeling like something has gone wrong because your baby is not asleep at the exact time a chart says they should be.

An awake window gives us a starting point.

Your baby gives us the rest of the information.

Are Awake Windows Accurate for Babies?

Awake windows can be a really helpful guide.

They give us a rough idea of how long a baby may comfortably manage being awake before they need their next sleep.

But they should not be treated like an exact countdown.

Babies are not robots.

Two babies of the same age can have very different sleep needs, and even the same baby can have different sleep needs from one day to the next.

One day your baby may comfortably stay awake for two hours.

The next day, they may be tired much earlier.

That does not mean anything has gone wrong.

Their sleep needs are affected by so many things.

How they slept overnight matters.

How long their last nap was matters.

The time of day matters.

How stimulating their awake time has been matters.

Developmental changes matter.

Feeding patterns matter.

Illness and teething can matter too.

That is why I want you to use awake windows as a guide, not a rule.

Why Awake Windows Should Not Be Used Alone

Awake windows are useful because they give us direction.

They tell us roughly when we should start paying closer attention to our baby.

But they do not tell us everything.

If you only watch the clock, you can easily miss what your baby is actually telling you.

You might try to put them down too early when they are not ready for sleep yet.

Or you might keep them awake longer because you think they have not reached the right number, even though they have clearly started showing you they are tired.

This is why I do not want you staring at a timer all day.

I want the clock to tell you when to start watching your baby more closely.

That is a very different way of using awake windows.

How to Know When Your Baby Is Ready for Sleep

When I am trying to work out whether a baby is ready to sleep, there are three things I want you to look at.

1. Look at Your Baby’s Awake Window

First, look at how long your baby has been awake.

Their age and stage of development can give us a rough idea of how long they may be comfortable staying awake.

This gives us a starting point.

It does not mean your baby must sleep when they reach a certain number of minutes.

Instead, it tells us that sleep may be getting closer and that this is the time to start paying more attention to the other signs.

2. Watch for Tired Cues

Next, look at your baby.

What are they actually showing you?

Some tired cues can be very obvious.

Yawning.

Rubbing their eyes.

Becoming fussy.

But some tired cues are much more subtle.

Your baby may start looking away.

They may lose interest in toys.

They may become quieter.

They may stop engaging with you in the same way.

You may notice that they suddenly become harder to entertain.

These cues are important because they give us information about your baby in that moment.

And over time, you will start to recognise which tired cues are most common for your baby.

That is one of the most valuable things you can learn.

3. Think About Sleep Pressure

The third thing I want you to think about is sleep pressure.

Sleep pressure is the biological drive to sleep that builds while we are awake.

As your baby spends more time awake, that sleep pressure gradually increases.

But we want to find the right balance.

If there is not enough sleep pressure yet, your baby may fight the nap because they simply are not ready to sleep.

If they have been awake for too long, settling can sometimes become much harder because they are overtired.

This is why we do not look at just one thing.

We look at the awake window.

We look at the tired cues.

And we think about how much sleep pressure has built.

Together, those three things give us direction.

How Awake Windows, Tired Cues and Sleep Pressure Work Together

This is where everything starts to make more sense.

Let us say your baby usually manages around two hours awake.

At around one hour and forty five minutes, you start paying closer attention.

Are they still bright, engaged and happily playing?

Or are they starting to slow down?

Are they looking away more often?

Are they rubbing their eyes?

Are they becoming quieter?

Has their last nap been short, meaning they may be ready for sleep sooner?

Or did they have a long, restorative nap and seem completely happy staying awake a little longer?

Now you are not just looking at the clock.

You are using the clock alongside what your baby is showing you.

That is the difference.

The goal is not to hit the perfect minute.

The goal is to get better at recognising the right window for your baby.

Can You Predict When a Baby Will Nap?

Not exactly.

And I do not think we should pretend that we can.

But can we get pretty close to understanding when your baby is likely to be ready for sleep?

Yes.

Absolutely.

That is what I want to help you do.

If your baby has been awake for roughly the amount of time they usually manage, they are starting to show tired cues and they have built enough sleep pressure, then we have a very good reason to think sleep is approaching.

That gives us something useful.

It gives us a rough time to start winding things down.

It gives us a better chance of settling before your baby becomes overtired.

And it helps you understand what your baby needs instead of feeling like you have to follow an exact schedule.

What If My Baby Does Not Follow Their Awake Window?

This is completely normal.

Awake windows are not meant to be exact.

Your baby may stay awake longer on some days and need sleep sooner on others.

That is why I want you to think in ranges rather than exact numbers.

If your baby normally manages around two hours awake but one day they are clearly tired at one hour and forty minutes, you do not need to keep them awake just to reach two hours.

And if they get to two hours and are still bright, engaged and showing no tired cues, you do not need to panic because they have missed their sleep window.

Look at the whole picture.

That is the skill I want you to learn.

Why Tracking Your Baby’s Sleep Can Help

This is also where tracking becomes really useful.

Inside The Mama Years baby tracker, you can log your baby’s naps, overnight sleep and night wakes.

Over time, the more you log, the more of a picture you start to build around your baby’s own sleep patterns.

You may notice that their first awake window of the day is usually shorter.

You may see that they can stay awake longer later in the day.

You may notice that after a short nap they become tired sooner.

You may start seeing a pattern between overnight wakes and how they sleep the following day.

And you may begin to recognise the tired cues that consistently show up just before your baby is ready for sleep.

This is where tracking becomes genuinely helpful.

We are not trying to force your baby into a perfect schedule.

We are using the information you log to help you understand your baby better.

The more information you have about their naps, overnight sleep, wakes and awake time, the easier it becomes to see their natural patterns and get closer to understanding when they are likely to be ready for sleep.

That is exactly how I want you to use The Mama Years.

Not as a clock telling you what your baby should be doing.

As a tool that helps you understand what your baby is already showing you.

The Goal Is to Understand Your Baby, Not Follow a Clock

I do not want you spending your entire day watching a timer.

I want you to understand what you are looking for.

I want you to know roughly when sleep might be approaching.

I want you to recognise your baby’s tired cues.

I want you to understand how sleep pressure works.

And I want you to feel confident making small adjustments when your baby does something different.

Because they will.

Babies change.

Sleep changes.

Development changes.

And sometimes naps simply do not happen the way we thought they would.

That does not mean you have done anything wrong.

It means your baby is a person, not a schedule.

My job is not to give you a perfect number.

My job is to teach you how to understand what your baby is showing you.

Awake windows give us a starting point.

Tired cues give us information.

Sleep pressure helps us understand whether your baby is biologically ready for sleep.

And when we use all three together, we can usually get pretty close to finding the right time.

That is the goal.

Not perfection.

Understanding.

The Mama Years is clinically reviewed by Courtney Garland, NICU registered nurse, lactation consultant and paediatric sleep consultant. The information provided is educational and does not replace personalised advice from your child’s healthcare professional.