I’ve been manually recording every 15-minute increment of my life in Google Calendar for the past 3 years.

While studying at WGU, I also tracked 100% of my computer/phone/TV usage with ActivityWatch.

I wrote a paper showing that over 80% of my learning sessions could be accurately detected and classified from my computer usage logs:

https://miguelrochefort.com/Rochefort_2021_Academic_Time_Tra...