In fact, there are many places where you can spend the night in Pudong Airport, the third floor waiting room is better, there are a lot of chairs, there is boiled water, there are security guards, generally there is no flight in the middle of the night, there are few travelers, there are a lot of people waiting for the car over there overnight, the subway, if you have six o'clock, the bus is usually about seven thirty, there are long-distance buses you can sit.