A must-have for students to stay awake, coffee is the first choice!

A must-have for refreshing yourself, coffee is the first choice!

As students, we often face heavy academic pressure and a busy pace of life. In such circumstances, it is particularly important to stay energetic and focused. Coffee, as a refreshing drink, has become the first choice for many students.

The scientific explanation for coffee's refreshing effect

Coffee contains a substance called caffeine, which is a natural stimulant. When we drink a cup of strong and mellow coffee, the caffeine contained in it is quickly absorbed into the blood circulation system and produces excitement and alertness by affecting the internal chemicals of the brain.

Specifically, there is a substance called adenosine in the brain. Adenosine binds to specific receptors on brain cells and inhibits cell activity to promote rest and relaxation. Caffeine can block these receptors from binding to adenosine, thereby reducing the inhibitory effect of adenosine and keeping brain cells in an excited state. This is why drinking coffee can make us feel more awake and focused.

Effects of coffee on learning and memory

In addition to its refreshing effect, coffee has also been found to have a certain effect on promoting learning and memory. A study conducted by Johns Hopkins University showed that drinking coffee in moderation can improve people's performance in cognitive tasks. This is because the caffeine contained in coffee can stimulate the nervous system and increase attention, concentration and reaction speed.

Additionally, another study conducted by the University of York found that moderate caffeine intake can improve long-term memory, with participants performing better on a subsequent memory test after consuming a dose equivalent to a shot of espresso.

How to drink coffee wisely

Although moderate coffee consumption is beneficial for refreshing and promoting learning, excessive caffeine intake may cause some side effects, such as palpitations, insomnia, and anxiety. Therefore, you need to pay attention to the following points when drinking coffee:

1. Control your intake: Moderate drinking of 2-3 cups of coffee a day is a safe range. Exceeding this amount may cause adverse reactions.

2. Avoid drinking coffee at night: Due to the stimulating effect of caffeine, drinking coffee at night may affect the quality of sleep.

3. Pay attention to individual differences: Everyone has different sensitivities to caffeine, so you need to adjust the amount you drink based on your own situation.

Other ways to stay alert

In addition to relying on coffee, there are some other ways to help us stay energized:

1. Adequate sleep: Ensuring 7-8 hours of sleep a day is an important guarantee for improving energy and concentration.

2. Healthy diet: A well-balanced diet can provide the brain with the energy and nutrients it needs.

3. Exercise: Moderate exercise can promote blood circulation, increase oxygen supply and improve brain function.

Conclusion

Coffee is a popular refreshing drink among students. It not only helps us stay awake and focused, but also helps promote learning and memory. However, while enjoying the benefits of coffee, we also need to pay attention to drinking it reasonably and combine it with other healthy lifestyles to maintain a good energy state.