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Updated 28 October 2026 · Published by Loopless Mind, the editorial site of the unLooper app's developer. Educational content, not medical advice.
An illustrative example, not a real exchange:
"You look like you have forty browser tabs open," Jordan says, waiting for the kettle.
"More like four hundred," Maya says. "The client deck, my landlord, my brother's wedding speech, the thing I said in the stand-up. I keep starting one and drifting into another."
"Have you tried writing all of it down? Not a to-do list. Everything. Even the stupid bits."
"And then what? I just have a longer list of problems."
"Then you sort it. Most of it turns out not to be a problem at all."
Maya's doubt is fair. A messy page of worries can look worse than a messy head. The difference lies in what you do after the writing. This guide shows you how to do a brain dump at any time of day, then walks through three complete brain dump examples (a workday, a busy home week and a big decision) so you can see what the raw page looks like and how it gets sorted.
A brain dump is a short, fast writing session in which you move everything currently circling in your head onto paper or a screen. Tasks, half-ideas, worries, reminders, irritations, questions you cannot answer yet: all of it goes on the page, in whatever order it arrives. There is no grammar, no structure and no judgement during the first pass.
It is not a diary entry about your day, and it is not a polished plan. Think of it as emptying a drawer onto the table before deciding what goes back in. The second step, sorting, is what turns the pile into something useful. Many people keep a brain dump journal for this: a plain notebook used only for dumps, so the pages are easy to find and compare later.
It is also different from expressive writing, the practice studied by James Pennebaker, in which you write at length about a difficult emotional experience. Research on expressive writing has reported benefits in some studies, though results vary between people and settings. A brain dump is lighter and more practical. Its main aim is to see what is there, not to process a painful memory.
Unfinished business tends to stay mentally "active". In a series of experiments, Masicampo and Baumeister found that unfulfilled goals kept intruding on people's thoughts during unrelated tasks, and that making a specific plan for the goal reduced those intrusions, even though the goal itself was not yet done. That is a useful clue: you may not need to finish something to stop it nagging, but you may need to decide when and how you will deal with it.
Work research points in a similar direction. Sophie Leroy described "attention residue": when people switch away from a task that is still unfinished, part of their attention tends to stay with it, and performance on the next task can suffer. A head full of open loops is, in a sense, carrying residue from a dozen places at once.
Feelings play a part too. In a brain-imaging study, Lieberman and colleagues found that putting feelings into words was linked with reduced activity in a brain region involved in emotional reactions. This does not mean that writing "I feel anxious" switches anxiety off. It suggests that naming what you feel, rather than only stewing in it, may take a little of the edge off.
Monday morning, before you open your inbox and let other people set your priorities.
The end of a workday, so the laptop closes with a list instead of a cloud of loose ends.
Before a holiday or leave, when you fear forgetting something important.
After a long, intense call or meeting that left you with ten new thoughts at once.
When you cannot start anything, because every task seems to pull at you equally.
Before a big decision, when facts, fears and other people's opinions are all mixed together.
At night, though bedtime has its own method, covered in our guide to the bedtime brain dump.
A brain dump can go wrong. The most common slip is starting to solve each item as it appears. You write "landlord email", then spend twenty minutes drafting the email in your head, and the rest of the dump never happens. Another is rereading the page and adding commentary: "I always leave things to the last minute." That shifts the exercise from listing to self-criticism.
Researchers distinguish between repetitive thinking that is concrete and leads somewhere and thinking that stays abstract and evaluative, such as "why am I like this?". Edward Watkins's review describes the second kind as more often unhelpful. A good brain dump stays concrete. Write "dentist appointment not booked", not "my life is a mess".
Set a timer for eight to ten minutes. Use paper if you can, because it is slower to get distracted on paper than on a phone, but a notes app is fine. Then:
Write one thought per line, in short fragments. "Car insurance renewal" is enough.
Do not sort, rank or fix anything yet.
When you stall, run through prompts: work, money, home, health, people, admin, things you are waiting on, things you said you would do.
Include feelings as their own lines: "uneasy about Friday's review".
Keep going for two minutes after you think you have finished. The last items are often the ones that were quietly bothering you most.
Now read the page once and put a letter next to every line. Five tags cover almost everything:
T: task. Something with a clear action. Give it a next step and a rough time: "Email Priya the figures, Tuesday morning."
D: decision. A choice you have not made. Note what you need to decide it and by when.
W: worry. Something you cannot act on right now. Ask: is there one small thing in my control? If yes, it becomes a task. If not, mark it "parked".
I: idea. Interesting, not urgent. Move it to an ideas list so it stops competing with real deadlines.
F: feeling. Just name it. It does not need a solution.
Sorting usually takes five minutes. Afterwards, copy the tasks to wherever you actually plan your days, and leave the rest in the notebook.
Here is Maya's Monday morning page, written before she opened her email (illustrative):
Client deck due Thursday, slides 6 to 12 not started (T: block 9 to 11 today)
Reply to Priya about the budget figures (T: after lunch)
Was I too sharp with Sam in the stand-up? (W: one small action, say a quick "thanks for flagging that" today)
Annual review in three weeks (D: decide which two projects to highlight by Friday)
Shared folder for templates would save everyone time (I)
Tired and a bit dreading the week (F)
Expenses from the Leeds trip not submitted (T: 10 minutes, Wednesday)
Rumour about a reorganisation (W: parked, nothing to do until there is real news)
Eight lines, four of which became concrete tasks. The reorganisation worry did not disappear, but it now has a label that says "not today".
Saturday morning, kitchen table, coffee going cold (illustrative):
School trip form for Leo, due Monday (T: sign it now, two minutes)
Fridge making a buzzing noise (T: look up model number; W: parked if it still works)
My sister's birthday on the 9th (T: order a gift today)
Haven't called Grandma in weeks (F: guilty; T: call Sunday afternoon)
Should we repaint the hallway or wait until spring? (D: decide with Alex at dinner)
Bank letter I haven't opened (T: open it today; the unknown is worse than the letter)
Learn to make proper bread (I)
Notice how the guilt about Grandma is both a feeling and a task. Naming the feeling made the action obvious.
Big decisions produce a particular kind of mental noise: facts, fears, other people's voices and imagined futures all in one tangle. Here is a dump about a job offer in another city (illustrative):
Salary is higher, but rent there is too: by how much? (T: compare three listings tonight)
I would miss my friends (F)
Dad thinks I'm being reckless (W: his view, not a fact about the job)
What if I hate the new team? (W: ask to meet two future colleagues)
My current role has stopped growing (fact)
Deadline to answer: the 15th (D: decide by the 13th, leave two days spare)
Could I negotiate remote Fridays? (T: ask HR)
Once sorted, the "what ifs" turn into two questions you can actually answer. If the decision still feels stuck, our guide on making a hard decision without all the information goes further.
Treating the dump as the plan. An unsorted page is a backlog, not a decision.
Writing in full paragraphs. Long sentences slow you down and invite rumination. Fragments are enough.
Skipping feelings. If "dreading the week" is not on the page, it will keep tugging at you.
Dumping five times a day. Once or twice is plenty. Constant dumping can become another way of checking.
Never looking at the page again. Glance at parked worries once a week. Many will have resolved themselves.
Pick a moment from the list above and a dedicated notebook or note.
Set a timer for ten minutes and write one thought per line, without editing.
Keep going for two extra minutes after you feel empty.
Tag every line T, D, W, I or F.
Give each task one concrete next step and a day.
For each decision, write what you need and a deadline.
Mark worries with no action as "parked" and leave them on the page.
Move tasks into your calendar or planner, close the notebook and start your first task.
About ten minutes to empty and five to sort. If it regularly takes much longer, you may be solving items instead of listing them.
Either works. Paper is slower and less distracting; an app is easier to search. Choose the one you will actually use.
Many people do a short dump once a day, or on demand when their head feels crowded. A weekly longer dump on Sunday or Monday also works well.
No. A to-do list holds tasks only. A brain dump captures everything, including worries and feelings, and the to-do list is one of the things you extract from it.
A brain dump is a self-help habit, not a treatment. If overthinking seriously affects your sleep, work or relationships, or if you have thoughts of harming yourself, please speak to a doctor or a licensed mental health professional. In the US you can call or text 988; in the UK, Samaritans are available on 116 123.
Maya's doubt by the kettle was reasonable: a list of problems is not automatically a relief. The relief comes from the second pass, when "four hundred tabs" turn out to be eight lines, four tasks, one decision and a couple of worries you can park. Try one brain dump this week, at whatever time your head feels fullest, and see how much of it was a problem after all.
If you would like some structure on your phone, unLooper's AI thought maps can turn a tangled dump into an editable visual map, with an optional AI assistant that helps organize it while you stay in control. For evenings, Quiet Mind at Night offers a bedtime brain dump that sorts tomorrow's worries from tonight's. Both are optional; a notebook works too.
unLooper is an iPhone app made by the publisher of this site. It is a self-reflection tool, not therapy. If you are curious, you can find unLooper on the App Store.
Masicampo, E. J., & Baumeister, R. F. (2011). Consider it done! Plan making can eliminate the cognitive effects of unfulfilled goals. Journal of Personality and Social Psychology. https://doi.org/10.1037/a0024192
Leroy, S. (2009). Why is it so hard to do my work? The challenge of attention residue when switching between work tasks. Organizational Behavior and Human Decision Processes. https://doi.org/10.1016/j.obhdp.2009.04.002
Lieberman, M. D., et al. (2007). Putting Feelings Into Words: Affect labeling disrupts amygdala activity. Psychological Science. https://doi.org/10.1111/j.1467-9280.2007.01916.x
Pennebaker, J. W. (1997). Writing About Emotional Experiences as a Therapeutic Process. Psychological Science. https://doi.org/10.1111/j.1467-9280.1997.tb00403.x
Watkins, E. R. (2008). Constructive and unconstructive repetitive thought. Psychological Bulletin. https://doi.org/10.1037/0033-2909.134.2.163