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Sleep
Caffeine Timing: Calculating the Six-Hour Cutoff
Caffeine timing affects sleep, anxiety symptoms, and next-day alertness. This article explains how caffeine works in the body, why a six-hour cutoff can reduce sleep disruption for many people, and how to calculate a personal cutoff based on your typical bedtime and caffeine sensitivity. You’ll learn common timing mistakes, practical planning steps, and realistic expectations for different caffeine sources.
