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Reveal: What is it that makes you feel more sleepy after drinking coffee?

Published: 2026-06-08 Author: World Gafei

Last Updated: 2026/06/08, Professional barista communication, please pay attention to coffee workshop (Weixin Official Accounts cafe_style ), but feel more sleepy after drinking coffee? You May Be Deficient in B Vitamins Coffee is a drink made with coffee beans and a variety of cooking utensils that contains caffeine. Caffeine is a mild stimulant that accelerates metabolism and improves mental health.

For professional baristas, please follow the coffee workshop (Wechat official account cafe_style)

Feel more sleepy after drinking coffee? You may lack B vitamins.

Coffee is a drink made with coffee beans and various cooking utensils, which contains caffeine. Caffeine is a softer stimulant, which can accelerate the body's metabolism, improve people's mental state, and eliminate fatigue.

But some people feel more sleepy after drinking coffee. Why? According to the Life Times, coffee is indeed refreshing, but its refreshing effect varies from person to person. Drinking a lot of coffee will make the body metabolize too fast and increase the consumption of B vitamins related to nerve and muscle coordination, so people who lack B vitamins may be more sleepy after drinking coffee. At the same time, because caffeine has the effect of diuresis, people will go to the toilet more frequently after drinking coffee. If you do not replenish water in time, it is easy to cause water shortage in the human body, and lack of water will also make people tired.

In addition, according to the Yangcheng Evening News, consuming large amounts of caffeine can paralyze the nervous system and cause endocrine disorders, so pregnant women, elderly women, patients with stomach problems, cancer patients and other people with poor physical conditions should be careful to drink coffee.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。