The ingredient of Pepsi Coca included carbonic water,white sugar,caramel colour ,phosphoric acid,caffein and food flavor.

百事可乐基本成分有碳酸水（水，二氧化碳），白沙糖，焦糖色，磷酸，咖啡因，食用香料。

A few caffein that contain in green tea of course also can stimulate central nervous, best days is drinkable lest affect Morpheus.

当然绿茶中所含的少量咖啡因也可以刺激中枢神经，最好在白天饮用以免影响睡眠。