Maybe drinking coffee at the right time can get twice the result with half the effort.

This is because the interaction between caffeine and an important hormone in the body (cortisol, also known as hydrocortisone) is optimal during this period of time. Cortisol helps the body regulate its own biological clock and improve alertness. Cortisol levels peak shortly after people wake up, and the peak lasts for up to an hour, averaging between 8: 00 and 9: 00 in the morning. The researchers believe that drinking coffee after this peak is better because it boosts the production of cortisol when it decreases.

In addition, drinking coffee at the highest levels of corticosteroids in the body produces a tolerance to caffeine, so that only drinking more coffee can have a refreshing effect. There is a similar view in pharmacology that drugs are taken when they are most needed, otherwise the body will develop drug resistance. In other words, the refreshing effect of drinking coffee at breakfast is not significant.

Although cortisol levels peak between 8 a.m. and 9 a.m., cortisol levels peak again between 12:00 and 1 p.m. and at 5 p.m., the researchers said. In addition, the content of cortisol in the human body will also be related to people's physique and schedule, so people who get up late should drink coffee later.

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 。

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