Why drinking too much coffee can make you tired

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Many people drink coffee daily and depend on it. A large number of people consume caffeine from coffee to boost energy and improve their concentration. That means it doesn’t affect everyone the same way.

Some people, for example, can drink many cups throughout the day and experience some effects. Others may experience side effects after drinking a cup of coffee. I also find other potential effects of coffee and recommended daily intake.

Kết quả hình ảnh cho TẠI SAO CÀ PHÊ CÓ THỂ LÀM CHO BẠN CẢM THẤY MỆT MỎI?

Normally, adenosine molecules bind to specific receptors in the brain, slowing brain activity in preparation for sleep.

In fact, the body absorbs 99 percent of the caffeine within 45 minutes of consuming it. Once the body completely metabolizes caffeine, its effects will disappear. The lifetime of caffeine in the body varies from person to person.

When caffeine disappears, adenosine molecules can bind to their receptors, which can cause drowsiness.

People who regularly consume coffee and other caffeinated beverages may develop tolerance to it. Because caffeine blocks adenosine receptors, the body produces more adenosine receptors to counteract the effects of regular caffeine consumption.

Kết quả hình ảnh cho TẠI SAO CÀ PHÊ CÓ THỂ LÀM CHO BẠN CẢM THẤY MỆT MỎI?

At the start of the study, participants had a higher heart rate and exerted greater cycling power after drinking caffeine. However, after 15 days, the effects of caffeine began to decrease.

With these results, it seems that people who regularly consume caffeine can increase their tolerance to its stimulating effects.

However, other research has suggested that continued exposure to caffeine does not affect the way the body absorbs or metabolizes it.

At that time, no matter how much sleep you had, it would be difficult to get out of bed every morning and be tempted to retrieve the alarm again and again.

However, think about the times when you’re interested and happy about what you’re doing. I guess even if you only sleep for a few hours, you can wake up out of bed without having to wake up in the morning with an excited mood and be able to get started right away.