Popular Topic(s): coffee and sleep What Should I Know About Caffeine? Caffeine is so prevalent in today’s standard of fast-paced life. We all enjoy the bursts of energy it gives us on a long day, but just how much caffeine should we be consuming every day? READ MORE Caffeine and Sleep: How Does Caffeine Affect Sleep? To protect healthy sleep, it’s important to understand how caffeine and other stimulants affect the body, and how to manage their consumption to avoid sleep problems.