Reading Your System
You can't change what you haven't noticed—but not all observations are equally useful. This part teaches you to identify your specific sleep problem, track the right data, and find the patterns that actually explain what's happening.
1
The Four Sleep Problems
The four distinct ways sleep breaks down, and why each requires a different approach.
2
Tracking & Measurement
What to track, what not to obsess over, and how subjective and objective data complement each other.
3
The Left-Right Journal
A simple journaling method that separates objective records from subjective analysis—and why that separation matters.
4
Pattern Recognition
How to move from scattered data points to actionable hypotheses about what's driving your sleep quality.