Chapter Two: Sleep as a Library

Sleep shelves the day so the mind can find it again. It shows us not only what happened, but what the system learned to do next. Without feedback, effort becomes a guess repeated with confidence.Begin with signals. What information arrives too late? What information arrives but is ignored? What metric creates the behavior everyone privately complains about? These questions are simple, but they turn a foggy problem into a traceable pattern.Consider a team that celebrates speed but never measures rework. The loop is incomplete. People rush, defects return, and the…