It is best to drink coffee after breakfast and lunch. It is best not to drink coffee after meals, for fear of affecting sleep. If you want to stay up late by drinking coffee, you may unconsciously drink too much, which is not good for your health.

It is best not to drink juice, cola, soda, coffee, milk and other drinks in the first glass of water in the morning. Fresh boiled water is the best choice. Getting up in the morning is the key moment for the body to replenish water in the new day. At this time, it is best to drink 300 ml of water. Drinking water in the morning must be on an empty stomach, that is, drinking water before breakfast, otherwise it will not achieve the effect of promoting blood circulation and gastric lavage. It is best to drink water in small sips, because drinking water too fast is very harmful to the body, which may cause blood pressure reduction and brain edema, leading to headache, nausea and vomiting. Drink water in the morning, it is best to drink the same boiling water as room temperature, and drink warm boiling water when it is cold to minimize the irritation to the gastrointestinal tract. It is found that boiled water cooled to 20-25℃ has specific biological activity, which can easily penetrate cell membrane, promote metabolism and enhance human immune function. People who are used to drinking warm and cold boiled water have higher deoxyenzyme activity in their bodies, good metabolism, less accumulation of lactic acid in muscle tissues and are not easy to feel tired. Be sure to cover the boiled water when it is aired the night before, because the boiled water will lose its activity if it is exposed to the air for too long.