Drinking coffee is no stranger to many people's ears. The bitter taste in coffee is the main attraction of this drink.

Besides that. drinking coffee is known as one of the friends staying up late or holding back drowsiness. So, how does coffee actually work in influencing drowsiness in the body?

As explained in healthline.com, what actually plays a role in blocking someone's sleepiness when drinking coffee is the caffeine content in coffee.

At least, as much as 54 percent of caffeine is donated from coffee worldwide, followed by tea leaves and cocoa beans. Caffeine is known as a substance that can withstand the drowsiness that hit the body.

Caffeine is a natural substance that can increase the body's sense of ' alertness ' and energy or 'stimulating' function. In the body, caffeine acts as an adenosine receptor antagonist.

Launching from sleepeducation.org, adenosine in the body is a substance in the body that causes drowsiness. Therefore, not a few people consume coffee to reduce sleepiness at night, especially when it is necessary to stay up late.

However, it is not recommended to drink coffee if you want to get the best quality sleep for the body.

Because, the most obvious effect of caffeine is that it is difficult to fall asleep and even delays the time of the natural body clock. This can reduce the total sleep time and the amount of deep sleep a person gets.

As explained in homegrounds.co, the effects of caffeine can last for a long time even if caffeine is consumed at an early time, such as the afternoon or evening before bedtime.

This effect is especially strong in older adults. If you want to consume caffeine, make sure to consume caffeine at least before 17.00.

How caffeine works in the body is quite fast. Caffeine begins to work at its peak in the body after 30 to 60 minutes while the effects of caffeine only last after 3 to five hours after drinking coffee. In fact, caffeine can last a long time in the body.