Interstitial Journaling: 7 ways It Works With Your ADHD Brain (Not Against It)

If you have ADHD, you’ve probably been told to “just journal more.”

Sit down, reflect, write consistently.

And if you’re like most people with ADHD, that advice sounds good… and then quietly dies somewhere between intention and execution.

Not because you don’t care, but because your brain doesn’t thrive on long, unstructured, open-ended tasks.

This is where interstitial journaling comes in.

What is interstitial journaling?

Interstitial journaling is a simple practice of writing brief notes in between activities throughout your day.

Instead of one long journaling session, you pause for 10 to 60 seconds and write things like what you just did, what you’re about to do, what you’re feeling or thinking, or anything that feels unfinished in your mind.

It’s not reflective or polished. It’s more like capturing your brain in motion.

Why this works so well for ADHD

ADHD isn’t a lack of effort. It’s a difference in how attention, motivation, and task-switching work in the brain. Interstitial journaling works because it aligns with that instead of fighting it.

1. It matches your natural attention rhythm

ADHD brains tend to work in bursts, so trying to sit and write for 10 to 20 minutes often creates friction. This removes that barrier because you’re writing between things, not instead of them.

2. It reduces task-switching chaos

One of the hardest parts of ADHD is moving from one task to another. A quick note like “I just finished emails, now I’m starting a report” helps your brain close one loop and open another.

3. It externalizes working memory

ADHD is strongly linked to working memory challenges, which means thoughts, plans, and intentions can disappear quickly. Writing things down as they come up gives your brain somewhere reliable to store them.

4. It reduces overwhelm

When everything is held in your head, everything can feel urgent. Seeing your thoughts written out helps you sort what actually needs attention and what can wait.

How to actually do it

Keep it simple. Open a notes app, a Google Doc, or a notebook you’ll actually use. Then, throughout your day, pause briefly and write a few lines.

You might write something like: just finished a session, feeling a bit drained, going to grab coffee and then start notes. Or: scrolling on my phone, avoiding starting that report, feeling resistance.

There’s no structure you have to follow. The only goal is to capture what’s happening in real time.

What you’ll start to notice

Over time, this creates a kind of awareness that doesn’t rely on sitting down and forcing reflection.

You may start to notice when you’re avoiding something instead of doing it. You may catch emotional shifts earlier, before they escalate. You may find it easier to re-enter tasks because you’ve left yourself a breadcrumb trail of where you were.

It also tends to build a sense of continuity in your day, which can otherwise feel fragmented with ADHD.

Final thought

You don’t need more discipline. You need tools that fit how your brain already works.

Interstitial journaling is one of those tools. It’s low effort, flexible, and surprisingly effective.

It doesn’t ask you to slow your brain down. It meets you where you are and gives your thoughts somewhere to land.

References

American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.).

Barkley, R. A. (2012). Executive functions: What they are, how they work, and why they evolved. Guilford Press.

Brown, T. E. (2013). A new understanding of ADHD in children and adults: Executive function impairments. Routledge.

Kofler, M. J., Irwin, L. N., Soto, E. F., Groves, N. B., Harmon, S. L., & Sarver, D. E. (2019). Executive functioning heterogeneity in pediatric ADHD. Journal of Abnormal Child Psychology, 47(2), 273–286.

Mrazek, M. D., Smallwood, J., & Schooler, J. W. (2012). Mindfulness and mind-wandering. Perspectives on Psychological Science, 7(2), 118–127.

Seli, P., Kane, M. J., Smallwood, J., et al. (2016). Mind-wandering as a natural kind. Trends in Cognitive Sciences, 20(6), 479–491.