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Evidence-backed insights on sleep, energy, focus, and performance optimization.

The 5 daily metrics that predict your performance — and the research behind each one. No wearables needed.

Dopamine drives motivation, not pleasure. Understanding this distinction explains why scrolling feels compulsive and how to restore your drive.

Why can't I focus for more than 20 minutes? Blame biology, notifications, and poor sleep — not willpower. Here's the research and the fix.