The Solen Journal
Research, insights, and ideas on self-reflection, journaling, and emotional growth.
March 28, 2026·5 min read
Why journaling works: the science behind writing and emotional processing
Research from Cambridge, UCLA, and the APA shows that expressive writing reduces cortisol, improves immune function, and helps process trauma. Here's what the science actually says.
Read more →April 2, 2026·4 min read
The 'novelty cliff': why most journaling apps fail after two weeks
RevenueCat's 2026 State of Subscription Apps report found AI apps churn 30% faster than non-AI apps. Here's why — and what Solen does differently.
Read more →April 8, 2026·5 min read
How to build a journaling habit that actually sticks (backed by habit science)
BJ Fogg's Tiny Habits research and Charles Duhigg's habit loop framework applied to journaling. The three-minute method that actually works.
Read more →April 14, 2026·6 min read
What 6 months of AI journaling taught me about my anxiety patterns
A personal account of using longitudinal AI journaling to surface patterns that therapy alone hadn't revealed. Real entries, real insights.
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