Don't drink tea before going to bed. Drinking three or two cups of tea every day can prevent aging. Tea contains many vitamins and amino acids. Drinking tea also has certain effects of clearing oil and relieving boredom, enhancing nerve excitement and promoting digestion and diuresis. But the more you drink, the better, and not everyone is suitable for drinking tea. Generally speaking, it is more appropriate to drink 1-2 times a day, 3-5 grams each time, 400 ml.