Learn how coffee naps can transform your shift work performance. Learn the science, timing, and step-by-step method to beat fatigue and stay sharp on any shift. (156 characters) A coffee nap entails having a cup of coffee right before napping for 15 to 20 minutes. Caffeine takes roughly 20 minutes to absorb into the bloodstream, … Continue reading How to Use Coffee Naps for Better Shift Work Performance