What Is a Brain Dump? How to Do One in 15 Minutes

A brain dump is writing down everything on your mind (tasks, errands, worries, half-ideas) as one unsorted list, so you stop trying to hold it all in your head. It only becomes useful when you sort it afterwards: decide what to act on, what to schedule and what to drop, and turn what's left into a short checklist.

The method below takes about 15 minutes: 10 to get everything out, 5 to sort it. A worked example further down starts with a messy list and ends with a checklist you can copy.

What a brain dump is, and what it isn't

A brain dump is a capture exercise, not a plan. While you're dumping, you don't prioritize, group or judge anything. You write one item per line until nothing else comes to mind.

People often confuse it with two other things:

• A to-do list is already filtered and ordered. A brain dump is the raw material you build a to-do list from.
• Journaling explores one thought in full sentences. A brain dump records many thoughts in a few words each so you can deal with them later.

Writing items down works for a practical reason. A list on a page can be counted, compared and crossed off. A list in your head can't, so the same items keep coming back while you're trying to do something else.

When a brain dump helps

Brain dumps are most useful when you have a lot of open loops and no clear picture of them:

• Start of the week, to see everything before you plan the days.
• End of the workday, so unfinished items are written down instead of carried home.
• Before a big project, to get every task, question and risk on one page.
• After time away, when you come back to a backlog of messages and half-remembered commitments.
• When you feel busy but can't say with what, which usually means too many small items are competing for attention.
• Late in the evening when your mind keeps listing things, so they're on paper for tomorrow.

It helps less when you already know your next task. In that case, just start the task. And a dump you never sort is only a longer, messier list. The sorting step is what makes it worth doing.

How to do a brain dump in 15 minutes

You need a place to write and a timer. Paper works fine. So does any notes app.

1. Pick one place for the whole dump. One page or one note, not sticky notes spread across your desk.
2. Set a timer for 10 minutes. Your phone works, or the Clock app on your Mac (see how to set a timer on Mac).
3. Write one item per line, in any order. Use a few words each: "call dentist", "Q3 deck for Sam", "garage". Don't fix spelling or decide anything yet.
4. When you stall, run through prompts. Go down the list below and write whatever each one brings up.
5. Keep going until the timer ends, even if the last few minutes are slow. Items you've been putting off tend to surface once the obvious ones are out.
6. Set the timer again for 5 minutes and sort (next section).

Prompts for when you run dry:

• Work: projects, emails to answer, meetings to prepare, things you promised someone
• Home: repairs, cleaning, things to buy, paperwork
• Money: bills, renewals, refunds, subscriptions to cancel
• People: birthdays, messages to return, plans to make
• Waiting on: replies, deliveries, decisions from others
• Ideas: things to write, learn, try or build
• Nagging thoughts: anything you keep thinking about, even if it isn't a task

If you want a ready-made page with these prompts laid out, use our brain dump template.

Sorting: act, schedule, drop

Go through the list once, top to bottom, and give every line one of three labels. Don't skip lines, and don't leave anything as "maybe".

Drop doesn't have to mean delete. Ideas you might want later can go on a separate "someday" list. The point is that they leave this week's list.

If the Act pile is still too long, rank it by urgency and importance with the Eisenhower matrix and move the rest to Schedule.

Turning the dump into tasks: a worked example

Here is a 10-minute dump as it might come out, unedited:

dentist??
reply to Sam re Q3 deck
car insurance renews soon
learn Spanish
kitchen tap drips
Mom's birthday on the 24th, present
article idea: remote onboarding
client still hasn't paid March invoice
clean out the garage
why did Tuesday's meeting feel off
cancel gym trial before Friday
book flights for October
read the book Ana recommended
laptop says storage almost full

Next, sort it. Each item gets a label and, if it stays, a next action: one physical step that starts with a verb.

The rules that turned vague lines into tasks:

• Start with a verb. "Dentist" is a topic. "Call dentist to book a checkup" is something you can do.
• Make it one step. "Car insurance" could be an afternoon of work. "Compare 2 quotes" is a single sitting.
• Write the real deadline next to it, only if there is one.
• Keep the Act list short. If you can't finish it in the next few days, move items to Schedule.

The finished checklist, in Markdown checklist syntax (it works in many notes apps; see Markdown checklist syntax):

## Act this week
- [ ] Cancel gym trial (before Friday)
- [ ] Email Sam comments on Q3 deck slides 4–9
- [ ] Send March invoice reminder to client
- [ ] Call dentist to book a checkup
- [ ] Order replacement washer for kitchen tap
- [ ] Delete old downloads on laptop

## Scheduled
- [ ] Order Mom's present (by the 18th)
- [ ] Compare 2 car insurance quotes (before renewal)
- [ ] Clear out garage (Saturday morning)
- [ ] Check October flight prices (next weekend)

## Someday
- Learn Spanish
- Write remote onboarding article
- Read Ana's book

Fourteen lines of noise became six things to do this week, four with dates and three parked ideas. For more finished lists in this format, see our to-do list examples.

Doing a brain dump digitally with Gubb

Paper is enough for a brain dump, and so is Apple Notes or any app with checkboxes. A digital version helps if you want to dump, sort and track in one place without copying anything out. We make Gubb, a small notes app for Mac and Windows with checklists, to-do lists, Kanban boards, a timer and voice-to-text in one window. Here's how the method above maps onto it.

Dump into a note

1. Hover over the top of the window to show the title bar buttons, then click + (Create New Note).
2. Type one item per line. Notes save automatically to a local database on your computer, with no account and no sync.
3. Optional: hover over the right edge and click Pin window on top so the note stays visible while you work in other apps.

For the 10-minute limit, hover over the right edge, click Timer, choose Countdown, set min to 10 and click Start. Click the − button in the timer's header to shrink it to a small pill at the bottom center of the window. Gubb's timer doesn't play a sound when it ends, so keep the pill where you can see it.

Dump by voice

Talking can be faster than typing when you have a lot on your mind. Gubb's Speech to Text puts the transcript into the open note at your cursor.

1. Open Settings (gear in the right-edge column) ▸ Voice to Text, keep Transcription Provider on Local Models, and click Download next to a model ("Whisper Small" is 480 MB). The progress bar doesn't move during the download, so wait for the Download Complete message.
2. Select the downloaded model under Active Model. If you skip this, recording fails until you select it or restart Gubb.
3. In your note, hover over the right edge, click Speech to Text, then click the mic to start and Stop when you finish. On a Mac, macOS asks for microphone access the first time.

Two limits matter for brain dumps. Local transcription is English-only, and only the first 30 seconds of each recording are transcribed. Record a few items at a time, press Stop, then start again. The text goes into Gubb notes only, not into other apps. For other ways to talk into a notes app, see how to dictate notes on Mac.

Sort into a checklist

Once the timer ends, sort in the same note:

• Type ## then Space at the start of a line to make a heading ("Act this week", "Scheduled", "Someday").
• Type [ ] then Space at the start of a line to make it a checklist item. Click the box to tick it; checked items are struck through.
• Delete or move the lines you dropped.

To use the list somewhere else, press ⌘⇧C (Command-Shift-C) to copy the whole note as plain text.

Track the tasks with dates or a board

If your Act and Schedule items need due dates, start a new note and type gubb@todo on a line by itself. Keep it alone on the line: inside other text it doesn't create a working to-do block. The line becomes a to-do block where you add tasks in Add a task..., or use the + button to set a Due Date and Priority. Tasks are grouped into Overdue, Today, Tomorrow, Upcoming and No Date, which matches the act/schedule split. Gubb doesn't send reminders for due dates, so check the list each morning.

If you'd rather see progress, type gubb@board on a line by itself to get a Kanban board with To Do, In Progress and Done columns, and drag cards across as you work. Our guide to what a Kanban board is explains when a board beats a list. Gubb is $59 one-time (as of November 2026), and the Mac download comes with a 7-day free trial. If you're comparing apps for this, our roundup of the best brain dump apps covers free and paid options.

FAQ

How often should I do a brain dump?

A weekly dump before you plan the week is a sensible default, plus a quick one whenever your list feels out of control. Doing it daily works too, but keep it short and sort every time.

Should a brain dump be on paper or digital?

Use whichever you'll actually do. Paper is fast and has no distractions. Digital saves the copying step, since the dump and the checklist live in the same note.

What if my brain dump is mostly worries, not tasks?

Write them down anyway, then sort them like anything else. Some worries have a next action ("check the contract"). The rest go under Drop, and having them written down means you aren't trying to remember them.