Table of Contents Introduction The Science of Sleep and Skin The 5-Step Emergency Care Routine Expert Opinion: Focus on Hydration and Blood Flow Q&A with a Dermatologist Conclusion Related Links (For Further Reading) 1. Introduction We've all been there: a late night of work, a sick child, or a red-eye flight leaves us feeling exhausted. And the first place it shows is on our face—with puffiness , dark circles , and a dull, lackluster complexion . While a good night's sleep is the ultimate remedy, sometimes that's just not an option. This guide will provide you with a quick, effective, emergency care routine to combat the signs of lack of sleep and help your skin look revived and radiant in a pinch. 2. The Science of Sleep and Skin Sleep is when your body's restorative powers are at their peak, and this is especially true for your skin. A good night's sleep boosts ...