In a research habitat anchored to the seafloor off Key Largo, a scientist finishing her final saturation dive notices a parrotfish that returns to her porthole each day at three forty. Reading the logbook left by every crew before her, she finds the fish has been keeping that appointment for decades. A long, patient sleep story about slow time, gentle company, and the comfort of a world that keeps its small appointments. Let your mind settle sixty feet down, where the light softens early and the reef goes about its ancient work.