Many people think of the Pomodoro Technique as the ultimate productivity hack. And in a sense, it has earned that reputation — there are apps, browser extensions, entire coaching businesses, and at probably least a few people in your extended social circle who swear by it.

For those of you who may not be aware, it goes like this: you set a timer for 25 minutes, work on one thing without interruption, then take a five-minute break. That’s one Pomodoro. After four of them, you take a longer break — usually 15 to 30 minutes — and then start again.

But before it became a global movement, there was simply a student with a timer and a problem.

Francesco Cirillo was a university student in the late 1980s, struggling to focus on his coursework. His solution was a challenge he set himself: could he study for just two minutes without losing concentration? To hold himself to it, he reached for a kitchen timer sitting on his desk. The timer was shaped like a tomato. In Italian, tomato is pomodoro. The name stuck.

In his own words on the technique’s official site, Cirillo describes it this way: “I created the Pomodoro® Technique in the 1980s with a tomato-shaped kitchen timer and a problem: I couldn’t focus on my university studies. What began as a small personal experiment — ‘Can I study for just two minutes without interruption?’ — grew into a method that transformed the way I worked and learned.”

After graduating, he started using the approach in software development and teaching it to colleagues. Then came a free PDF on his website. Newspapers and blogs picked it up. Downloads hit two million before he took it down in 2013. Cirillo’s official site claims the technique has been used by developers at Google, Microsoft, and IB and it’s safe to say by enormous numbers of ordinary people managing their mornings from home offices and coffee shops.

One thing Cirillo has been at pains to point out is that the popular version of his technique — set a timer for 25 minutes, take a break, repeat — misses most of what he was actually trying to do. As Todoist reports, Cirillo argues that “concentration and consciousness lead to speed, one Pomodoro at a time.” The goal was never to rack up sessions. On his own site he has been explicit that the goal isn’t to complete Pomodoros at all — it’s to become aware of what happens in your own mind while you work.

I tried the Pomodoro at a few times. It didn’t stick. I need more than 25 minutes to get properly into something — by the time I’ve found the angle on a piece and stopped second-guessing the opening, the timer is going off. My version of this has become longer blocks, usually 90 minutes to two hours, with a proper change of scene between them. Different approach, same underlying idea: protect the focus, build in recovery, stop pretending the screen being on means work is happening.

That said, I know people who swear by the Pomodoro. The 25-minute unit suits certain tasks well — perhaps anything fragmented, anything that needs consistent small progress rather than one long unbroken run. Admin, email, anything where the problem isn’t depth of focus but willingness to start. For that, a short timer is genuinely useful.

What Cirillo actually built was something simpler and stranger than a productivity hack. It was a way of making a student in feel like time was on his side rather than running out. Whether that works better in 25-minute or 90-minute blocks is probably the wrong question. Whatever helps you notice what your own mind is doing — and builds in some recovery before it gives out — is pointing at the same thing.