Habits · 3 min read
Compounding: how small entries become a year of data
Why a 30-second daily habit is more valuable than an hour of weekly reflection, and what the data looks like after a year.
Read while you log.
Mood tracking, habit science, and the psychology of noticing.
Sleep · 3 min read
The six-hour cliff, and why your Tuesdays are heavier
How sleep duration affects mood the next day — and why the effect shows up two days later in your data.
The science · 3 min read
Why mood tracking works (when it does)
The science behind journaling and mood correlation, and why most people quit before the data gets interesting.