茶是古今中外最广泛饮用的饮料。茶叶中含有许多生物碱，如咖啡碱、茶碱等物质，人体吸收后对中枢神经系统有明显的兴奋作用，能消除疲劳，振奋精神，提高机体对性刺激的感受能力和反应能力。因此，适量饮茶，可增强和改善性欲，对性功能有益。 然而，由于大多数人是在临睡前过 Tea is the most widely used drink at all times and in all countries. Tea contains many alkaloids, such as caffeine, theophylline and other substances, the body’s absorption of the central nervous system obvious excitement, can eliminate fatigue, boost the spirit and enhance the body’s ability to feel and stimulate sexual responsiveness. Therefore, the amount of tea, can enhance and improve sexual desire, sexual function beneficial. However, as most people are before going to sleep