The Sunday session is a trap
The three-hour weekend study block is appealing because it looks like commitment. It also fails for two separate reasons at once.
The first is about memory. Three hours of study on Sunday is massed practice — the same material, hammered in one sitting. It produces a strong sense of having learned, and comparatively little durable memory. The same three hours spread across a fortnight would leave you with substantially more, because each session lands after some forgetting has occurred and the recall takes effort.
The second is about scheduling. A three-hour block requires a free three hours. Most weeks do not contain one. So the session slips to next Sunday, and then to the Sunday after, and the habit was never really a habit — it was an intention with a large minimum size.
Small is not a compromise
A ten-minute daily session is not a watered-down version of the real thing. For spaced repetition it is closer to the ideal shape: frequent enough that cards can come due on the right day, short enough that you will do it when you are tired.
Seventy minutes a week, arriving as ten minutes a day, will beat one hundred and eighty minutes arriving as one Sunday afternoon that happens six times a year.
Pick the number for your worst day
The usual mistake is setting the goal for the version of you who slept well and has a free evening. That version shows up maybe twice a week.
Set it for the other one. Choose a number you could hit on a day with a delayed train, a long meeting and a headache. If that is five minutes, make it five. A goal you hit ninety percent of days is worth far more than an ambitious one you hit half the time, because the value here is entirely in the consistency — the schedule assumes you will show up.
You can always review longer. Nobody has ever been stopped at the ten-minute mark. What you are protecting is the floor, not the ceiling.
Make it hard to forget and easy to resume
Two practical things help more than motivation does.
Put it somewhere you already look. Toly’s Lock Screen widget shows today’s progress before you unlock the phone, which turns “remember to study” into something you can’t help noticing.
Make a missed day cheap. Streaks that reset to zero and shame you for it are, perversely, one of the most reliable ways to make people quit — one bad day and the run is worthless, so why continue? Toly’s streaks are built to pull you back rather than to punish you.
The goal is not a perfect record. It is that tomorrow, after a missed day, opening the app still feels like the obvious thing to do.