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Sep 29, 2018 · Some people feel tired after one cup of coffee, and others can drink several cups a day and feel fine. Here’s why it’s making you tired and what you can do.
- Claire Gillespie
Mar 12, 2024 · How coffee makes someone sleepy is that the caffeine in coffee blocks adenosine receptors in the brain, which prevents adenosine from causing sleepiness. Over time, the body increases its sensitivity to adenosine, and once caffeine is metabolized, it can cause excessive tiredness.
Jun 26, 2023 · If drinking a cup of coffee makes a person feel tired, the effects of caffeine may be responsible. Caffeine increases alertness by interfering with certain chemical processes in the brain that...
Jan 22, 2024 · Even though coffee is a stimulant, some people find drinking it does not give them the outcome they desire. We discuss the potential reasons coffee might seem to make you feel sleepy rather than alert, as well as what you can do to counteract these effects.
- Dara Katz
- You’re Drinking Too Much of It. How many cups of coffee, cans of Red Bull or pots of tea are you having a day? More than three? That might explain why you’re getting tired; it’s a lot of caffeine.
- Excess Caffeine Blocks Adenosine Receptors. When caffeine hits our brain, Worley explains, it adheres to your brain’s adenosine receptors. Adenosine is what helps us feel sleepy.
- The Sugar You Add Is the Real Culprit. There are two types of people in this world: People who take some sugar in their coffee and people who take some coffee with their sugar.
- It Could Be Mold. Ew. We know. However, studies show that caffeine contains mold called mycotoxins, which according to the World Health Organization are “are toxic compounds that are naturally produced by certain types of moulds (fungi).
Apr 21, 2023 · Why does coffee make me sleepy? Dietitians explain why coffee can make you tired even though it's a rich source of caffeine, which is known to boost energy.
Sep 7, 2021 · Why Does Coffee Sometimes Make Me Tired? Lethargy, blood sugar and dehydration explain in part the paradoxical effects of coffee on our energy levels. Share full article
