Blog

Last updated: 2026-07-09

MIT researchers put Fitbits on 88 chemistry students for a semester. Sleep explained about a quarter of the variance in their grades — and sleep the night before a test explained none of it. What that means for how you build a week...

Last updated: 2026-07-09

Most study advice is about how to study. Far less is about when — which is strange, because the timing of your sessions has a larger, better-documented effect on what you remember than almost anything else. Here's how far apart they should actually be...

Last updated: 2026-07-09

You block out two hours for a problem set and it takes four. This isn't a discipline problem — it's one of the most reliably reproduced findings in psychology, and pessimism won't fix it. But something else will...

Last updated: 2025-07-23

A guide to the new analytics features in StudyCal, including category breakdowns, subcategory charts, and more.

Last updated: 2025-07-19

AI models need a lot of data, which can sometimes be hard to get. This is especially true for sensitive, private data like the calendar data Studycal’s models use. So how can you get sensitive data easily, quickly, and for free...

Last updated: 2025-07-16

You’ve probably experienced the magic of AI calendars. But how does AI plan your day? How does it know if you’ll need a break after an intense meeting but not after a quick call? “AI” calendars have somewhat misleading names because they aren’t entirely AI, although they certainly rely heavily on the technology...