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Does coffee help you stay awake9/3/2023 ![]() One study found that physically active adults began to experience fewer caffeine effects after 15 days of regular consumption. However, to combat this, the body may begin to produce more adenosine receptors. Caffeine prevents adenosine from binding with receptors. Over time, avid coffee drinkers may build-up caffeine tolerance. If you develop a sugar crash, you can counteract these effects with a healthy snack, such as nuts, seeds, hard-boiled eggs, or yogurt. To prevent these effects, try to limit the amount of sugar you add to your coffee and the number of sugary drinks you consume each day. A sugar crash can also cause anxiety, mood swings, dizziness, and hunger. This drop in blood sugar levels causes a sleepy, sluggish feeling. Blood sugar fuels the body and increases energy, which is one reason people prefer to drink coffee before a workout. Plus, specialty coffee drinks at your local cafe may contain whipped cream, flavored syrup, honey, and chocolate, all of which contain refined sugars that cause what many people describe as a “ sugar crash” once metabolized.Ī sugar crash happens when you consume too much sugar at once and the body produces insulin to offset it, causing a drastic drop in blood glucose (blood sugar). Most coffee creamers have high levels of sugar. Coffee Sweeteners Affect Blood Glucose Levels According to the USDA water intake recommendations, adult men should have around 13 cups per day, and adult women should have 9 cups. However, if you drink a lot of coffee, be sure to drink plenty of water throughout the day. Therefore, be sure to monitor your coffee intake each day.Īlthough caffeinated beverages, such as coffee, energy drinks, and soft drinks, may force us to use the restroom more often, the water in coffee can counteract dehydration. In most cases, drinking a moderate amount of coffee, one to two cups a day, will not cause dehydration. Dehydration can also lead to rapid heart rate and low blood pressure, which often triggers anxiety. If you do become dehydrated, you may experience daytime sleepiness and lethargy. ![]() Over time, water loss can affect your heart’s ability to maintain blood pressure and put you at risk of dehydration. This means it passes through your body quickly, causing you to use the bathroom more frequently. ![]() Coffee is a Diureticįor those who drink more than four cups of coffee per day, caffeine can act as a diuretic. Since caffeine absorbs quickly, some people may feel these adverse effects 45 minutes after consumption. Once caffeine is metabolized, the high levels of adenosine can cause extreme fatigue. This causes a build-up of the chemical in the body. However, the body still produces adenosine in the morning even if the receptors are not absorbing it. When you drink coffee, caffeine binds to these receptors and prevents them from receiving adenosine. Adenosine does this by binding to special receptors in the brain that slow activity and cause relaxation. At night, they decrease to help us fall asleep. ![]() Much like melatonin, the sleep hormone, adenosine levels increase during the day to keep us awake. Caffeine Blocks AdenosineĪdenosine is a chemical produced in the central nervous system that regulates our sleep schedule. If you experience drowsiness after drinking coffee, it may be due to one of the reasons outlined below.
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