Study Timer (Pomodoro)

Work in focused sprints, rest on schedule. The classic 25/5 method, with a long break every four sessions.

Focus
25:00
○○○○

Completed today: 0 focus sessions

Why the Pomodoro technique works

Developed by Francesco Cirillo in the late 1980s, the method attacks the two enemies of studying: starting, and stopping badly. A 25-minute commitment is small enough that your brain doesn't resist beginning, and the enforced break prevents the slow slide into scrolling that ends most "3-hour study sessions" after 40 real minutes. The timer also externalizes time-keeping so your full attention stays on the material.

Using it well

  • One task per session. Decide what you're doing before pressing start — "chapter 7 problem set", not "study math".
  • Interruptions end the session. If you check your phone mid-pomodoro, it doesn't count. That rule, strictly kept, is what builds the focus muscle.
  • Breaks are away from the screen. Stand, stretch, water. Social feeds don't rest the systems studying just used.
  • Track your daily count. Most students find 8–12 genuine pomodoros (3.5–5 focused hours) is a full, sustainable study day — far more effective than 8 hours of diluted attention.

Adapting the intervals

25/5 is the default, not a law. Deep problem-solving often suits 50/10; flashcard review fits 15/3. The pattern that matters: a fixed commitment, a real break, and a longer rest every fourth cycle.

Frequently asked questions

Does the timer keep running if I switch tabs?
Yes — it tracks real elapsed time, so returning to the tab shows the correct remaining time even if your browser slowed the page in the background.
Why four sessions before a long break?
Cirillo's original protocol: four pomodoros ≈ 2 hours, which matches typical ultradian attention cycles. After that, 15–30 minutes of genuine rest restores performance better than pushing through.
Is 25 minutes too short for deep work?
For flow-heavy tasks, try 50/10 using the settings above. Keep the break discipline either way — that's the part people skip, and the part that makes it work.