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: 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.