When people picture anxiety, they picture the obvious version: panic, dread, a racing heart, a mind looping on worst-case scenarios. That picture is real, but it's incomplete — and for adults with ADHD, it's often not what their anxiety looks like at all. Theirs hides. It wears the costume of productivity, of being a perfectionist, of being "high-strung" or "just a busy person." And because it doesn't look like the stereotype, it goes unnamed for years.
This matters because anxiety is one of the most common companions to ADHD. Across adult studies, roughly half of people with ADHD also meet criteria for an anxiety disorder. If you have ADHD and you've never felt the textbook version, it's worth asking whether yours has simply been showing up in disguise.
Why it hides so well in ADHD
Two forces conspire here. The first is masking — the long-running habit many people with ADHD develop of suppressing and overcompensating for their traits to look "fine." That same machinery hides anxiety beautifully: the effort it takes to appear okay becomes invisible, even to yourself. The second is overlap. ADHD restlessness and anxious tension can feel similar, so anxiety gets folded into "that's just my ADHD" and never examined on its own.
The result is anxiety that operates underground, draining you without ever announcing itself.
The disguises
Here are the costumes anxiety most often wears in ADHD adults.
Overwork and chronic busyness. Some people manage anxiety by never stopping. If you slow down, the discomfort surfaces — so you don't slow down. The constant doing reads as ambition or drive, but underneath it can be a nervous system that won't let you rest. Clinicians note that perfectionism, people-pleasing, and chronic overwork are some of the most common ways adults quietly mask distress.
Perfectionism. Redoing things, agonizing over small details, refusing to send something until it's flawless — this often isn't high standards. It's fear, dressed up. The dread of being judged, exposed, or "found out" can drive enormous effort that looks like conscientiousness from the outside.
Restlessness that won't quit. ADHD has its own restlessness, but anxiety adds a layer: a body that's tense, keyed-up, unable to settle, even when there's nothing to do. If the agitation comes with a sense of something's wrong rather than I'm bored, anxiety may be in the mix.
People-pleasing and over-apologizing. Constantly scanning for others' approval, saying yes when you mean no, apologizing reflexively — these can be anxiety's social form, especially in people who've spent a lifetime worried about being "too much."
Procrastination and avoidance. Sometimes what looks like classic ADHD putting-it-off is actually anxious avoidance — the task carries dread, so you steer around it. The behavior is identical; the engine is different.
Physical symptoms with no obvious cause. Anxiety frequently shows up in the body before the mind: muscle tension, a jaw you clench, disrupted sleep, stomach trouble, irritability. If you've been treating these as separate, unrelated annoyances, they may share a root.
Anxiety doesn't always whisper "what if." Sometimes it just makes you really, really productive, really hard on yourself, and really tired — and never tells you why.
How to catch it
You don't need to self-diagnose to start noticing patterns. A few questions to sit with:
- When you finally stop and rest, does relief come — or does discomfort rise?
- Is your perfectionism driven by wanting things good, or by fear of what happens if they're not?
- Do you say yes out of genuine desire, or to avoid the anxiety of someone being disappointed?
- Are there tasks you avoid not because they're boring, but because they make your stomach drop?
If the honest answers point toward fear and avoidance rather than interest and boredom, you may be looking at anxiety that's been hiding in plain sight.
What helps once you've named it
Naming it is most of the battle, because you can't address a thing you've mislabeled as your personality. Once you see it, the standard tools become available: noticing and gently challenging the catastrophic thoughts, building real rest you don't have to earn, and — when it's persistent or impairing — evidence-based help. Anxiety overlaps with so many other things that a clinician's eyes are genuinely valuable here. If it's interfering with your work, sleep, or relationships, talk to a provider; this article is a starting point, not medical advice.
One quietly powerful intervention is also the most practical: take the swirl of worries, half-finished tasks, and "don't forget" loops out of your head and put them somewhere external. A huge amount of low-grade anxiety in ADHD is just the brain frantically trying not to drop the things it's holding.
That's where NoPlex earns its place — giving all those open loops a home outside your mind, so your brain can stop white-knuckling them and you can finally tell the difference between "I have a lot to do" and "I am afraid." Once it's written down, it's lighter. And so are you.