![]() ![]() Despite advertising claims, some caffeine products are much better and others in this respect, and drinks with a very high sugar content can worsen sleepiness. We have shown (now recommended in the Highway Code) that a caffeinated drink immediately followed by a short nap before the caffeine kicks in, make an ideal combination for combating moderate sleepiness. Sleepy drivers should stop driving and take a 30 minute break at a safe place. They found sleep apnea and even low levels of alcohol in the bloodstream greatly increase the chance of people falling asleep at the wheel. The caffeine nap worked better than anything at eliminating mid-afternoon drowsiness and preventing driving errors than in all of the other controlled groups they studied. In the 1990s, the Loughborough researchers measured brain waves of subjects in driving simulators. The researchers at Longborough University found that no other common measures to combat drowsiness while driving, such as cold air, napping without caffeine, caffeine without napping or a break without a nap, worked as well as caffeine naps in helping combat drowsiness. Why do they fail to heed these warnings, believing they won't actually fall asleep and are 'safe' to drive? Young men are the most likely persons to do this, even when they are struggling to stay awake. įalling asleep is always preceded by a period of increasing sleepiness, which drivers are quite aware of, to the extent that will do things to keep themselves awake (opening window, turning up the radio, stretching etc.), but continue to drive rather than 'take a break'. Loughborough University in Britain did a study and found caffeine naps are great for people who are on the road and have trouble staying awake. ![]() It's another story altogether if you're driving somewhere and you get drowsy. It's one thing to get drowsy at your desk if you're working a 9-5. When you're awake, adenosine builds up. But when you sleep, you're allowing the enzymes to catch up and clear out the adenosine. Some enzymes in your body are more able to break down adenosine when you're sleeping, than when you're awake. As it accumulates, your body gets the signal that it's "getting tired." They're the body's biochemical energy supply and when they get broken down, they leave behind adenosine. First, we'll have to thank the two processes for why coffee naps work: how your body tells you it's tired and how it responds to caffeine.Īs you go about your day, your body breaks down molecules called adenosine triphosphate or ATP. Studies have shown that coffee naps are more effective than coffee or naps alone - but we'll get to that later.įor now, here's how coffee naps work. ![]() Both caffeine and sleep alleviate tiredness, so the double whammy works well together. The effect comes by getting the benefit of the sleep, add to that the stimulating benefits of caffeine when you wake up. If you take caffeine before you snooze in the afternoon or whenever, when you wake up you'll feel less groggy, experts say. Ironically as it sounds, it's how you can recharge and make the most out of your tall cup of cappuccino, or a shot of espresso. What if I tell you that the best way you can stay awake after drinking coffee is to get some shut-eye? Ever wondered how to get the best bang for the cup? Of coffee at least. ![]()
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