The Pomodoro technique: how it works and what studies say

The Pomodoro technique is a simple way to split work into short blocks: 25 minutes of focused work, a 5 minute break, and a longer break after four rounds. It is popular for studying and desk work because it makes starting easier and builds rest into the day. Here is how it works, what recent studies say about whether it works, and how to adapt it to suit you.

How does the Pomodoro technique work?

The Pomodoro technique works in rounds of 25 minutes of work followed by a 5 minute break. Francesco Cirillo created it in the late 1980s, when he was a university student struggling to concentrate, and named it after the tomato-shaped kitchen timer he used. Pomodoro is Italian for tomato, and each 25 minute block is called one pomodoro.

The classic steps:

1. Choose one task.
2. Set a timer for 25 minutes and work only on that task.
3. When the timer rings, stop and take a 5 minute break.
4. Repeat. After four pomodoros, take a longer break of about 15 to 30 minutes.

Part	Length
Work block (one pomodoro)	25 min
Short break	5 min
Long break, after 4 rounds	About 15 to 30 min

If something else comes to mind during a block, write it down and get back to the task. The point is one thing at a time.

Does the Pomodoro technique really work?

The Pomodoro technique works about as well as taking breaks when you choose, according to the few controlled studies so far. It helps some people a lot, but the research does not show it is better than flexible breaks on average.

In a 2025 study, 94 university students did a two-hour study session using one of three break styles: Pomodoro (5 minutes after every 25 minutes), self-regulated (they chose when and how long) or Flowtime (they chose when, and break length depended on how long they had worked). Pomodoro breaks made fatigue rise faster, and both Pomodoro and Flowtime made motivation drop faster. But by the end there were no differences in fatigue, motivation, productivity, task completion or flow.

A 2026 study of 176 university students found no difference in reading test performance between fixed short breaks and self-chosen breaks. Students who chose their own breaks reported better mood, with more energy, concentration and motivation and less distraction. The authors note their test may not have been sensitive enough to pick up small differences in learning.

So the honest summary is that structure helps some people get started, and flexibility suits others.

Why do breaks help at all?

Short breaks help mainly with how you feel, not with how much you get done. A 2022 meta-analysis pooled 22 study samples with 2,335 people and found that micro-breaks gave small but clear boosts to vigour and reduced fatigue. The overall effect on performance was not significant. Breaks helped performance on less demanding tasks, and longer breaks gave bigger boosts, which suggests that hard mental work may need more than 10 minutes to recover.

That fits the Pomodoro design: short breaks keep you fresh, and the longer break after four rounds gives you more time to recover.

What should you do in a Pomodoro break?

Do something that rests your mind and gets you moving. Good break ideas:

• Stand up, stretch or walk around the room.
• Drink a glass of water.
• Look at something far away, such as out of a window.
• Breathe slowly for a minute.

Avoid starting anything that takes a lot of thought, such as answering a hard email. Scrolling social media in a 5 minute break makes it easy to lose 20, so save it for the longer break if you want it.

Is the Pomodoro technique good for ADHD and studying?

It can be, if you adjust it. For studying, 25 minutes is short enough to start even when a subject feels heavy. For people with ADHD, a fixed block can make starting easier, but a ringing timer can also break a rare stretch of deep focus. There is little research on Pomodoro and ADHD specifically, so experiment:

• Try shorter blocks, such as 15 minutes, if 25 feels too long to start.
• Try longer blocks, such as 50 minutes, if you often reach flow and the timer pulls you out.
• If you are in deep focus when the timer goes off, it is fine to keep going.

If problems with focus get in the way of daily life, talk to a doctor.

Can you listen to music or noise during a Pomodoro?

Yes, and steady sound without lyrics is the best choice. Research on music while studying found that lyrics hurt attention, while quiet instrumental sound is less likely to distract. Brown noise, rain and soft binaural beats for focus all fit.

Shimmr is not a Pomodoro timer, so keep your timer app for the blocks and use Shimmr for the sound. Start a focus sound with each block, such as the Scattered → Focused Shift, which glides from Theta up to Beta over 10 to 30 minutes and then holds, or the Deep Work soundscape. You can layer brown noise underneath in the mixer. Shimmr plays alongside other apps and with the screen off, so the same sound can become your cue that a block has started.