Many people like to drink coffee, which has a good refreshing effect. When you are sleepy, you can make a cup of hot coffee. After drinking, the mental state will be slightly better. If you don't prepare coffee or don't like the taste of coffee, you can use tea instead. Maojian tea tastes light and has no obvious refreshing effect. If you want to get a better refreshing effect, you need to make a cup of tea with big leaves and strong fragrance. After drinking, your mental state can be significantly improved.