Is Caffeine Addictive? Can It Sober You Up? Here's What's Fact and Fiction
You know it's in coffee, tea, soft drinksand chocolate. But did you know it's even in some medications and about 90 percent of us ingest it daily? Here's how to separate the myths from reality
About an hour after drinking caffeine you feel the peak of its effects, but it can take longer to taper off. “The half-life of caffeine, or the time required for the body to eliminate half the caffeine from your body, averages from four to five hours,” says Andrea Giancoli, a registered dietician and spokesperson for the Academy of Nutrition and Dietetics. “That means you could have caffeine in your body at bedtime when it still may have a stimulating effect.” While a cup or two of coffee in the morning probably won’t affect your sleep, try eliminating caffeine after lunch if you have problems falling asleep.