Autism and Routine: When Does Predictability Stop Helping?

Predictability can make life easier.

You know what is happening. You can prepare. There are fewer decisions to make and fewer surprises to process.

For many autistic people, routine is not simply a preference. It can reduce uncertainty and make everyday life much more manageable.

If you haven't read Part 1, start with Why Autistic Coping Mechanisms Make Sense.

But there is another question worth asking:

When does predictability support you - and when does needing predictability begin to restrict you?

The goal is not to remove routines that help.

It is to have enough support, capacity and skills that when life cannot be predicted, you still have some ability to respond.

Preference and dependence are not the same thing

Imagine you eat the same breakfast every morning.

You enjoy it. You know what to expect. It removes one decision from your morning.

There may be absolutely no reason to change that.

Now imagine your usual breakfast is unavailable.

The change creates so much distress that you cannot eat anything else, struggle to leave the house or find that the disruption affects the rest of your day.

The routine itself is not necessarily the problem.

The difference is how much your ability to function depends on it.

There is a meaningful difference between:

“I prefer things this way.”

and:

“I cannot cope unless things happen this way.”

The second does not make somebody difficult, weak or defective.

But it might identify an area where developing more flexibility could eventually create more freedom.

Why can uncertainty feel so difficult?

Uncertainty creates unanswered questions.

What is going to happen?

Will I know what to do?

How long will this last?

Will something unexpected happen?

What will people expect from me?

Research suggests that intolerance of uncertainty is strongly associated with anxiety in autistic people. A 2024 systematic review and meta-analysis also found relationships between intolerance of uncertainty and restrictive or repetitive behaviours.

So when a plan suddenly changes, the problem may be much bigger than simply being disappointed.

A structure that was helping someone understand and navigate the situation has disappeared.

This is why telling someone to:

“Just be more flexible.”

often misses what is actually happening.

But struggling with uncertainty does not necessarily mean that someone's ability to handle it can never grow.

Flexibility is a skill - but it is also a resource

Imagine your favourite restaurant unexpectedly closes.

On one day, you slept well. Your day has been quiet. You have eaten properly and haven't had many demands.

Changing restaurants is annoying, but manageable.

Now imagine exactly the same thing after poor sleep, eight hours of social interaction, loud environments, several unexpected problems and very little time alone.

Suddenly the change feels enormous.

Did you lose your coping skills?

Probably not.

You may simply have less capacity available to use them.

Research into autistic burnout offers a useful way of thinking about this. Autistic adults have described periods in which accumulated demands and insufficient opportunity to recover resulted in profound exhaustion and reduced ability to manage everyday demands.

So perhaps flexibility is not just:

“Can I cope with change?”

It is also:

“How much capacity do I have available to cope with change today?”

Knowing how to manage something and having enough resources to do it are not always the same thing.

Sometimes predictability preserves capacity

This is important because the answer is not to make everything unpredictable.

If having the same breakfast saves energy, keep the breakfast.

If planning your route beforehand makes travelling easier, plan it.

If knowing the schedule allows you to participate in an event you otherwise could not manage, having a schedule is useful.

Removing unnecessary uncertainty can preserve capacity for the things in life that genuinely cannot be controlled.

The question becomes:

Does this structure help me participate more fully in life?

Or:

Am I increasingly organising my life around making sure I never encounter uncertainty?

Those are different situations.

When might it help to gently practise uncertainty?

It may be worth exploring when avoiding uncertainty starts making your world smaller.

Perhaps you want to visit somewhere new but feel unable to go unless you know every detail beforehand.

Perhaps a small change to a plan regularly derails the rest of your day.

Perhaps you increasingly avoid situations because you cannot guarantee what will happen.

Or perhaps more and more conditions need to be exactly right before you feel able to act.

The answer is not necessarily to remove all those protections at once.

That can simply create overwhelm.

Instead, the aim might be to create manageable experiences where your nervous system gradually learns:

“I did not know exactly what would happen, and I still found a way through it.”

Start with small uncertainty, not chaos

Building flexibility does not mean throwing yourself into the most unpredictable situation you can find.

It can be small.

Maybe instead of always ordering the same meal, you choose between two familiar options.

Maybe somebody else chooses between two restaurants you already know.

Maybe you leave one small part of the weekend unplanned.

Maybe you practise a minor change on a day when you are rested rather than trying it when you are already overwhelmed.

Then become curious about what happened.

What did I expect would happen?

What actually happened?

What made it easier?

What made it harder?

Did I need a better strategy - or was I simply running out of capacity?

There is preliminary research suggesting that intolerance of uncertainty can itself be worked with. A small study adapted an uncertainty-focused psychological programme for autistic adults, exploring ways of understanding uncertainty and experimenting with different responses to it.

The study was very small, so it cannot tell us what will work for every autistic person.

But it challenges the assumption that our current response to uncertainty must always remain fixed.

Support first. Then stretch.

There is a difference between:

overwhelming yourself

and:

expanding what you are able to handle.

If you are exhausted, overstimulated or close to shutdown, that may not be the best moment to practise flexibility.

The useful response may be to reduce demands, regulate, rest and create predictability.

Then, when there is some capacity available, you can experiment with a little more uncertainty.

Not because your need for predictability is wrong.

But because there may be value in knowing:

“I prefer things this way, but I can still cope when things change.”

The goal is not less autism. It is more choice.

You do not need to remove every routine.

You do not have to enjoy spontaneity.

You do not need to prove that you can tolerate unnecessary discomfort.

Self-acceptance and growth are not opposites.

Sometimes self-acceptance means recognising that your nervous system needs more structure than somebody else's.

Sometimes growth means noticing that a strategy which once protected you is now limiting something you want to do.

A useful question may therefore be:

“Is this helping me live the life I want, or is fear of uncertainty deciding what my life can contain?”

In short

Routine can be an important autistic accommodation.

Predictability can conserve energy, reduce uncertainty and make participation possible.

But it may be worth gently developing flexibility when your ability to function increasingly depends on everything happening exactly as expected.

The aim is not:

“I shouldn't need predictability.”

It is:

“I can use predictability to support myself while building enough capacity to deal with some of the uncertainty I cannot control.”

Sometimes we need accommodation.

Sometimes we need recovery.

Sometimes we need practice.

The important part is learning the difference.

That same delay shows up with emotions too — sometimes you need the routine to hold steady while you work out how you actually feel, something I explore in Autism and Delayed Emotional Processing post.

Research referenced

Bird, S., Moid, L. A. E., Jones, C. A., & Surtees, A. D. R. (2024). The relationships between restrictive/repetitive behaviours, intolerance of uncertainty, and anxiety in autism: A systematic review and meta-analysis. Research in Autism Spectrum Disorders, 117, 102428. DOI: 10.1016/j.rasd.2024.102428.

Raymaker, D. M., Teo, A. R., Steckler, N. A., et al. (2020). “Having All of Your Internal Resources Exhausted Beyond Measure and Being Left with No Clean-Up Crew”: Defining Autistic Burnout. Autism in Adulthood, 2(2), 132-143. DOI: 10.1089/aut.2019.0079.

Rodgers, J., Herrema, R., Honey, E., & Freeston, M. (2018). Towards a Treatment for Intolerance of Uncertainty for Autistic Adults: A Single Case Experimental Design Study. Journal of Autism and Developmental Disorders, 48(8), 2832-2845. DOI: 10.1007/s10803-018-3550-9.