Besides coffee, these other foods, beverages, and medications may also cause you to stay awake.
If you’re looking for a quick jumpstart in the morning—or you’re trying to stay alert at work in the afternoon—it’s only natural to reach for a hot cup of coffee or tea. Although this ubiquitous brew may be one of the world’s most popular sources of caffeine (a natural compound that helps stimulate the central nervous system), it’s certainly not the only way to get a boost.
In fact, there are several other foods, beverages, and even medications that contain significant amounts of caffeine. Consume them at the wrong time—like before bed—and they could keep you awake at times when you want to catch some sleep. While none of the ones listed below delivers the same caffeine jolt of java (which contains usually 100 to 200 milligrams per eight-ounce serving), each could mean the difference between tossing and turning—or quickly drifting off.