茶叶含有芳香油、咖啡因、酸、茶碱和多种维生素。多种维生素对维护机体健康也颇为有益。但是,若在晚上喝茶,尤其是喝浓茶,很不适宜。茶叶中含有咖啡因,能使人兴奋,难以入眠。同时,晚间饮茶过多,夜间起身小便次数多,也影响睡眠。酒中的主要成分是乙醇,少量饮酒可以使人体唾液、胃液分泌增加,促进胃肠消化和吸收。特别是少量饮用天然配制的酒,对身体有益。但是,早晨饮酒昏头眼花,就会影响一天的学习和工作。此外,早晨空腹, Tea contains aromatic oils, caffeine, acids, theophylline and multivitamins. A variety of vitamins to maintain the health of the body is also quite beneficial. However, if you drink tea at night, especially strong tea, it is not suitable. Tea contains caffeine, can make people excited, it is difficult to sleep. At the same time, excessive drinking tea at night, urinating more times at night, but also affect sleep. Alcohol is the main component of ethanol, a small amount of alcohol can make the body saliva, gastric secretion increased, promote gastrointestinal digestion and absorption. In particular, drinking a small amount of natural preparation of wine, good for the body. However, drinking morning dizziness can affect one day’s study and work. In addition, morning fasting,