Drinking coffee properly has certain benefits, such as refreshing, supplementing nutrition, diuresis and so on. Drinking coffee in moderation is enough, and drinking too much coffee is not recommended, so as not to cause human discomfort.

1, refreshing: Coffee contains more caffeine, which can stimulate the nervous system. Drinking coffee in moderation has a certain effect of relieving fatigue and refreshing;

2, supplementary nutrition: coffee contains certain nutrients, such as vitamin B, vitamin E, potassium, phosphorus, niacin, etc. Drinking coffee in moderation can supplement certain nutrients and provide energy for the human body;

3, diuresis: Caffeine in coffee is an alkaloid, which has a certain effect on inhibiting the reabsorption of water by renal tubules, and will also consume more water when drinking coffee, thus having the effect of assisting diuresis.

Drinking too much coffee in daily life may cause nervousness, stimulate the central nervous system, accelerate the heartbeat, and thus affect the quality of sleep. In addition, drinking too much coffee may interfere with the absorption of minerals, which is not conducive to human health.