Evening coffee: the pros and cons

introduction

Drinking coffee at night is a habit for many people, whether it is to refresh themselves or enjoy the taste of coffee. However, drinking coffee at night also has some pros and cons. This article will explore the pros and cons of drinking coffee at night from different angles.

Refreshing effect

For people who need to stay up late to work or study, drinking coffee at night can help them stay awake and focused. Because coffee contains a substance called caffeine, it can stimulate the central nervous system and increase attention. This makes working or studying at night more efficient.

Sleep quality

However, excessive caffeine intake may affect sleep quality. According to research, consuming large amounts of caffeine can lead to insomnia, reduced deep sleep, and frequent awakenings. This means that if you drink a lot of highly caffeinated beverages at night, you may find it difficult to fall asleep and feel tired the next morning.

Digestive problems

Another downside to drinking coffee in the evening is that it may cause digestive problems. Caffeine stimulates stomach acid secretion and increases the concentration of stomach acid. This is especially true for people who already have digestive problems such as excess stomach acid or stomach ulcers. Drinking coffee in the evening may cause symptoms such as stomach discomfort, reflux, and indigestion.

Cardiovascular Health

On the other hand, moderate caffeine intake can also help improve cardiovascular health. According to a large-scale survey of more than 100,000 people, moderate caffeine intake is associated with a lower risk of heart disease and stroke. This suggests that drinking a cup of moderate strength coffee in the evening may benefit cardiovascular health.

Mood boost

Additionally, many people believe that drinking coffee in the evening can boost mood and reduce feelings of stress and anxiety. This is because coffee contains chemicals that help the brain release dopamine and serotonin. These substances are thought to be involved in mood regulation, so drinking coffee in the evening may make people feel happier and more relaxed.

Addiction risk

However, it should be noted that excessive dependence on caffeine may lead to addiction. Long-term and large-scale intake of caffeine will gradually make the body tolerant to it, and withdrawal may cause headaches, anxiety, depression and other discomfort reactions. Therefore, when drinking coffee at night, pay attention to controlling the intake to avoid becoming dependent.

in conclusion

Overall, drinking coffee in the evening has both advantages and disadvantages. It can provide a refreshing effect, improve cardiovascular health and elevate mood; but it can also affect sleep quality, cause digestive problems and increase the risk of addiction. While enjoying evening coffee, we should control our intake according to our personal circumstances and pay attention to our body's reactions.

References:

- Clark, I., Landolt, HP (2017). Coffee, Caffeine, and Sleep: A Systematic Review of EpiDEmiologIcal Studies and Randomized Controlled Trials. Sleep Medicine Reviews, 31, 70-78.

- Ding, M., Bhupathiraju, SN, Chen, M., van Dam RM, Hu FB (2014). Caffeinated and Decaffeinated Coffee Consumption and Risk of Type 2 Diabetes: A Systematic Review and a Dose-Response Meta-analysis of Prospective Cohort Studies. Diabetes Care, 37(2), 569-586.

- Eskelinen MH, Kivipelto M.(2010). Caffeine as a Protective Factor in Dementia and Alzheimer's Disease. Journal of Alzheimer's Disease : JAD ,20 Suppl1,S167-S174.