Insomnia Depression Is the Strongest CBT-I Outcome Predictor — and Knowing That Can Change What You Do Next Depression — not anxiety — is the strongest predictor of long-term CBT-I outcomes. Learn what a 4-year study means for your insomnia treatment plan. Chris de Feijter April 7, 2026
Research Sleep Anxiety in Adults Sleep anxiety affects millions of Canadians—but blue light glasses aren’t the answer. Learn the science-backed causes, the sleep tracker paradox, and proven CBT-I treatments. Chris de Feijter January 20, 2026