The spacing effect is how you remember far more when learning is spread across days than crammed into one session — same total time, very different recall. Examples:
What is the spacing effect? Read the full idea →A night-before cram fades within days; the same hours spread over two weeks stick for months.
Anki and Sticky Idea resurface a card right before you'd forget — spacing on purpose.
Ten minutes daily beats a single weekend marathon.
Short daily sessions build skill faster than one long weekly grind.
Passive re-reading in one sitting feels productive, but spaced self-testing is what actually lasts.
That's just how memory works. Lock the spacing effect in with a 5-minute active-recall session — spaced repetition, no signup.
Try this idea free →One tap adds it to your review queue — we bring it back right before you'd forget.