Ever study for hours only to blank during the exam? You're not lacking focus—you're renting knowledge through cramming, which only lasts 24–72 hours. To actually retain info, you need spaced repetition: reviewing material at increasing intervals to reverse the forgetting curve. Instead of juggling separate apps like Anki, you can easily implement this SM-2 algorithm logic directly inside Notion. Here is how memory architecture actually works and how to automate your study que