Deep Work: The Science of Sustained Focus and How to Protect It
Deep work is lost to switching, not lack of willpower. What the research says about interruptions, breaks and block length, and how to protect your focus.
Cold Exposure and Cognitive Performance: An Honest Look
Cold water raises noradrenaline and often lifts mood, but thinking gets worse while you’re cold. What the studies show, the real numbers, and the safety risks.
