Masking, Burnout, and Restrictive Eating in Late-Diagnosed ADHD & Autistic Adults

9 Feb

When “Coping” Is Actually Masking

Many ADHD and autistic adults reach adulthood before realising they’re neurodivergent. By then, they’ve often spent years masking, working overtime to appear organised, calm, social, and “fine.” Masking might look like:

Pushing through exhaustion
Ignoring hunger or sensory discomfort
Over-preparing, over-working, over-functioning
Being “high-achieving” but constantly drained

It works… until it doesn’t.

Over time, masking disconnects people from their bodies, including hunger, fullness, and energy cues.

🔗 National Autistic Society – Masking and mental health
https://www.autism.org.uk/advice-and-guidance/topics/mental-health/masking

Burnout: When Your Nervous System Hits “Nope”

Neurodivergent burnout isn’t just being tired; it’s your nervous system waving a very firm white flag.

It often includes:

Bone-deep exhaustion
Sensory overload
Brain fog and decision fatigue
A strong need for predictability

And food? Food can suddenly feel like too much. Some people may start:

Skipping meals because eating feels overwhelming
Eating the same few “safe foods”
Using food rules to reduce decisions
Eating less to avoid sensory input

This isn’t about weight or appearance, it’s about coping.

🔗 Neurodivergent Insights – Autistic burnout
https://neurodivergentinsights.com/blog/autistic-burnout

Why Restrictive Eating Can Feel Helpful (At First)

Restrictive eating can temporarily:

Create a sense of control
Reduce sensory overload
Simplify an already overloaded brain
Numb emotional exhaustion

The problem? What starts as a survival strategy can quietly become restrictive eating, even if weight stays “normal” and life looks fine from the outside.

This is why so many neurodivergent adults think:

“I’m struggling… but not sick enough.”

Late Diagnosis + Food Control

A late ADHD or autism diagnosis can be a relief and a shock. It can bring:

Grief for unmet needs
Anger about past misunderstandings
Identity wobble (“Who am I, actually?”)

During this time, food rules can feel grounding, a small island of certainty in a very big sea of “oh wow.”

Why Standard Eating Disorder Treatment Often Misses This

Traditional eating disorder approaches often focus on:

Body image
Weight goals
Pushing through discomfort

For neurodivergent adults, this can feel invalidating or make burnout worse.

Research shows high overlap between eating disorders and autism/ADHD, especially in adults diagnosed later in life.
🔗 Westwood & Tchanturia (2017)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5726528/

A Neuroaffirming Way Forward

Neuroaffirming support focuses on:

Reducing burnout (not just changing food)
Respecting sensory needs
Gently rebuilding body trust
Working with your brain, not against it

Recovery doesn’t require forcing “normal” eating or masking harder. It starts with safety and understanding.

If you’re functioning on the outside but exhausted on the inside, especially around food, you’re allowed to get support now.

You don’t need to wait until things fall apart.

How We Can Help

We offer neurodiversity-affirming, weight-neutral eating disorder support for ADHD and autistic adults across Australia.

Eating Disorder Therapy
Neurodiversity-Affirming Psychology
Book an Appointment

Note: The information provided in this blog is for educational purposes only and is NOT intended as medical /psychological advice. Please consult a healthcare professional for personalised guidance.

This blog post was created with the support of AI tools to help with clarity and structure. All content reflects the professional knowledge and clinical judgement of the authors.