The bell rang at minute 25, and you were finally in.
Twenty-two minutes of circling, three minutes of the real thing, and then a tomato-shaped timer told you to stop. You took the break, because the method says to. When you came back, the door had shut again, and the next 25 started with the same circling. If you have ADHD and have tried Pomodoro, you may know some version of this, and the method has a ready answer: you did it wrong.
We found no trial of Pomodoro in adults with ADHD
We looked, and we found none.
Pomodoro is a method: 25 minutes on a task, a short break, and again. It is popular, and it is recommended for ADHD on many pages you will find on the subject. So before writing this we went looking for a trial of it in adults with ADHD, a study where people were given the method and measured against people who were not. We found none. Not a failed one, not a small one. None.
Which means nobody can tell you it helps you, and nobody can tell you it does not, and we will not pretend otherwise. If 25 and a bell suit you, keep them. This page is for the people in the first paragraph, for whom the bell keeps arriving at the wrong moment, and it is about why the moment is wrong rather than about the method being bad.
The bell does not know you are in
A fixed bell can stop a good run.
Hyperfocus is real, and people with ADHD report it more often than other people. A 2021 review called it the forgotten frontier of attention: understudied, without an agreed definition, and following interest rather than importance (Ashinoff and Abu-Akel, 2021). The pattern anyone with ADHD knows is the door. It is shut for twenty-two minutes, and then it opens, and once you are through it the work runs on its own.
The bell does not know about the door. It measures from when you sat down, not from when you got in. In the story above it rang three minutes after the door opened, and the break it ordered shut the door again. A method built around a fixed interval assumes the start is at minute zero. For an ADHD brain the start is the hard part and the expensive part, and it arrives when it arrives. Starting is the win. The last thing a tool should do with a win is ring a bell at it.
Someone else set the number
A forced clock is a rule from outside.
An ADHD brain does not start on importance. It starts on interest, novelty, challenge or urgency, in the model the psychiatrist William Dodson built from decades of patients. A timer set to a number you did not choose, with a bell you cannot argue with, is none of those. It is a rule, and it came from outside.
There is a second reason to be wary of rules from outside. A 1999 meta-analysis of 128 experiments found expected rewards lower the motivation you already had for a task (Deci, Koestner and Ryan, 1999). The experiments were about rewards, not timers, so we take only the shape from them: a thing done to you from outside, however well meant, can shrink the interest you brought. A bell you did not choose, telling you when your attention is over, is a thing done to you from outside.
The number should come from you. Not 25. The number the task took, on the day you did it.
Count up
A clock which counts up records instead of ruling.
Start it when you start, and stop it when you stop. It does not end anything. It tells you, afterwards, what happened: the invoice took 14 minutes, the report took 50, and the door took 22 to open. After a few of these you have your own numbers, and your own numbers are the only ones worth racing. Twenty-five was somebody else's number. Fourteen is yours, for the invoice.
A count-up clock still needs a companion, because a run can go on past the point where it is helping, and a stalled twenty minutes can pass unnoticed. The companion should ask, not order. "Still on it?" is a question. A bell is an instruction. The question lets the run answer for itself; the bell does not wait for an answer.
How Kaapi does it
Start focus takes the window, and the clock counts up.
There is no default end. It runs until you stop it, and Back or Esc leaves it running. Every 5 minutes by default, and you can set it anywhere from 5 to 60, Timi checks in with one line, three voices taking turns: "Still on 'Send the invoice'?" "You're 15 minutes in." "Not going anywhere. Rocks don't." "You have 'Send the invoice'. I have my book." "Quiet in here. Good quiet." "15 minutes on 'Send the invoice'. Still going?" None of them ends the session. They are the question, not the bell.
A clock with a number to beat exists in Kaapi, and it is a game, and games are off until you turn on "Make it a game". Then Timi offers at most one a day, chosen from your list, with no menu. The ten-minute dash: "4 quick ones are open. Ten-minute dash?" and at the end, "You cleared 3. Your best is 5." Guess how long: "Guess how long this one takes?" and afterwards, "Close call. Guessed 10, took 12." After three runs of the same task, race your usual: "Your usual is 12:00. Race it?" No points, no leaderboard, nothing counted back. The clock is yours to pick up, and the numbers on it are yours. The rules we chose for the games are here.
How to do this without Kaapi
You need a clock, not a timer, and a pen.
- Open a clock or a stopwatch. Start it when you start the task, not when you sit down. Ignore it while you work.
- When you stop, write the number next to the task. "Invoice: 14 min." Next week, race the 14 and nothing else.
- For the small tasks, run a ten-minute dash. Gather the quick ones, put ten minutes on a clock, clear what you can, write down how many. Race your own number next time.
- If a run starts, let the run end itself. Move the break to after the door shuts again on its own. If you want a check-in, ask a friend on a call to say "still going?" every so often, and to accept "yes" as the whole answer.
Frequently asked questions
Is the Pomodoro technique good for ADHD?
We found no trial of Pomodoro in adults with ADHD, so no one can tell you it helps or does not. If a 25-minute bell suits you, keep it. If the bell keeps ringing three minutes after you finally got going, the interval is the problem, and a clock which counts up removes it.
How long should a focus session be with ADHD?
As long as the run lasts. Hyperfocus follows interest, not a clock, and a 2021 review found it more often reported in ADHD. Start a clock which counts up, let the session end when it ends, and note the number. After a few sessions the numbers are yours, and the next session can race them.
What if I hyperfocus and forget to take breaks?
Let something ask rather than order. A check-in every few minutes, "still going?", lets you answer yes and carry on, or notice you are stalled and stop. A fixed bell cannot tell a good run from a stalled one; a question can, because you answer it. Keep water and food within reach before you start.
What is an ADHD alternative to Pomodoro?
Count up instead of down. Start a clock when you start, stop it when you stop, and write the number down. Add a gentle check-in at an interval you chose. Save fixed clocks for games you opted into, like ten minutes on the small tasks, raced only against your own best.
Sources
- Ashinoff, B. K., and Abu-Akel, A. (2021). Hyperfocus: The forgotten frontier of attention. Psychological Research, 85(1), 1–19. doi.org/10.1007/s00426-019-01245-8
- Deci, E. L., Koestner, R., and Ryan, R. M. (1999). A meta-analytic review of experiments examining the effects of extrinsic rewards on intrinsic motivation. Psychological Bulletin, 125(6), 627–668. doi.org/10.1037/0033-2909.125.6.627
- Dodson, W. (updated 2025). How adults with ADHD think: Uncomfortable truths about the ADHD nervous system. ADDitude. additudemag.com/adhd-in-adults-nervous-system. A clinical model from practice, not a trial.