The mental load and anxiety: how they feed each other (and how to break the cycle)
There is a particular 3am experience that a lot of mothers know.
You are awake, not because a child has called but because your brain has decided that now, in the specific quiet of the night, is the moment to process everything it didn't have space for during the day. The school permission slip. The GP appointment you haven't booked. The conversation you need to have with your partner that keeps getting deferred. The birthday present that hasn't been bought. The feeling that you are forgetting something important but cannot identify what it is.
This is not insomnia exactly. It is the mental load finding the only unoccupied window in your day and filling it completely.
And here is the thing that rarely gets said clearly: the mental load and anxiety are not two separate problems. They are a single cycle, each one feeding the other in ways that make both of them significantly worse than they would be alone.
What the mental load actually is
The mental load is the invisible cognitive and emotional labour of managing a household and a family: anticipating needs, tracking information, making decisions, monitoring outcomes and holding, in active working memory, the full picture of everything that needs to happen and when.
Researcher Allison Daminger, in a 2019 study published in the American Sociological Review, mapped this labour in detail and found that it operates in four stages: anticipating what is needed, identifying options, making decisions and monitoring whether those decisions are producing the right outcomes. The research found that this cognitive labour was performed disproportionately by mothers in heterosexual partnerships, even when both partners worked full-time.
The significant feature of the mental load is that it is never finished. There is no point at which the thinking is complete and the list is clear. New items enter continuously. The cognitive task is ongoing, and the brain that is running it cannot fully rest because it is always partially engaged.
What anxiety does to the mental load
Anxiety is, at its neurological core, a threat detection system that has become over-sensitive. It scans for risk and generates responses designed to manage or prevent it.
When anxiety enters the mental load picture, something specific happens: the mental load items stop being simple tasks and become potential disasters. The GP appointment that hasn't been booked becomes a rehearsal of what might happen if it keeps getting delayed. The permission slip becomes evidence of failing. The birthday present becomes a source of preemptive guilt about the relationship with the child whose birthday it is.
Anxiety transforms the cognitive labour of management into the emotional labour of anticipating everything that could go wrong. The list gets longer not because new tasks have been added but because each existing task now comes with an attached scenario of its worst possible outcome.
A 2021 study published in the Journal of Anxiety Disorders found that cognitive load, specifically the sustained experience of managing multiple complex tasks simultaneously, was a significant predictor of generalised anxiety symptoms in adults. The relationship was bidirectional: high cognitive load increased anxiety, and anxiety increased the perceived complexity and urgency of the cognitive load. Each made the other worse.
How the cycle works
This is the loop that keeps going without intervention:
The mental load is high. There is too much to track, too many decisions to make and insufficient space to make them well. This produces a background state of cognitive strain.
That strain activates the anxiety system. The brain interprets the sustained pressure as evidence that something is at risk and begins generating threat responses: preoccupation, worst-case thinking, difficulty switching off.
Anxiety increases the mental load. Anxious thinking generates additional tasks: researching, checking, reassuring, preparing for scenarios that may never occur. The list grows.
Sleep is disrupted. The mental load and the anxiety are both active at night, when the brain has no other demands. The disrupted sleep reduces the prefrontal cortex's capacity to regulate both, which increases both.
The following day, everything is harder. And the cycle continues.
Where the cycle can be interrupted
Point of intervention | What it involves |
|---|---|
Reducing the total volume of the mental load | Delegating tasks and decisions genuinely, not nominally |
Externalising the list | Moving what is in your head into a reliable system outside it |
Addressing the anxiety directly | Therapy, medication or structured anxiety management approaches |
Protecting sleep | Even one additional hour produces measurable improvement in cognitive regulation |
Reducing the suppression of the underlying emotional experience | Anxiety often signals unprocessed feeling as well as unmanaged tasks |
The second row is worth examining specifically. Much of the mental load persists in the head because it is not trusted to any other container. Writing things down into a system you actually use, a calendar, a task list, a shared household tool, removes them from working memory in a way that genuinely reduces cognitive strain. This is not an organisational hack. It is a physiological intervention.
What doesn't help
Telling an anxious, mentally overloaded mother to "just let it go" or "stop worrying" is the advice equivalent of telling someone with a broken leg to walk it off. The suggestion demonstrates no understanding of what is happening and produces nothing useful except additional frustration.
What also tends not to help is addressing the mental load without addressing the anxiety, or addressing the anxiety without addressing the mental load. The two are connected. Reducing one without attending to the other leaves the cycle partially intact.
"Almost everything will work again if you unplug it for a few minutes. Including you." - Anne Lamott
If the invisible labour is specifically what you want to examine in more depth, the invisible mental load moms carry every day maps its structure in detail. And if the anxiety has taken on a postpartum character that goes beyond the cognitive load, postpartum anxiety: signs your worry has gone too far and what to do addresses the clinical dimension directly.
The mental load and anxiety are not your fault. But they are yours to work with. And understanding how they connect is the most useful starting point for doing that.
Further reading: Emily and Amelia Nagoski, Burnout: the secret to unlocking the stress cycle (2019). Eve Rodsky, Fair play: a game-changing solution for when you have too much to do (2019). Allison Daminger, cognitive labour research, American Sociological Review (2019).
Frequently Asked Questions
- What is the mental load in motherhood?
- The mental load is the invisible work of anticipating, planning, tracking, and remembering everything a family needs. It includes things like appointments, school forms, meals, supplies, and keeping track of what needs to happen next.
- How do mental load and anxiety affect each other?
- Mental load can keep your mind constantly on alert, which fuels worry and stress. In turn, anxiety makes it harder to focus, prioritize, and let go of tasks, so the cycle keeps repeating.
- Why do I think about parenting tasks at night?
- When the day finally gets quiet, your brain may use that downtime to process unfinished responsibilities. Nighttime often becomes the only unoccupied space for mental load, which can lead to racing thoughts or waking anxiety.
- What are common signs that the mental load is affecting my mental health?
- Common signs include feeling overwhelmed, forgetting things, difficulty relaxing, trouble sleeping, and a constant sense that something important is being missed. You may also notice that your mind stays busy even when your body is resting.
- How can I start breaking the mental load and anxiety cycle?
- Start by making the invisible work visible: write down recurring tasks, share planning responsibilities, and identify what can be delegated or delayed. Small systems, clear division of labor, and regular check-ins can reduce the pressure on your working memory and lower anxiety.
a freelance writer and certified maternal wellness coach with a background in psychology and over two years of experience writing about motherhood, mental health, and relationships.
