Caffeine boosts mood and alertness, but does it matter whether that caffeine comes from coffee or an energy drink? YES! But not for the reasons you'd expect. Caffeine Scientist GreenEyedGuide reviews the implications of a research paper titled, "Nurses Consuming Energy Drinks Report Poorer Sleep and Higher Stress." Whether you get your caffeine from coffee or an energy drink, GreenEyedGuide covers the 3 most important things you need to know. Reference DOI: 10.1177/0193945919840991. Visit http://GreenEyedGuide.com/freebies to get your copy of the Energy Drink Report Card