hii, would you please recommend any hourly lounge at beijing int''l airport that do not need passen

Hi,
would you please recommend any hourly lounge at Beijing int'l airport that do not need passengers out through the immigration, because the passengers will be arrive in Beijing in the middle of the night and will connect to morning flight to next destination. Only need rest about 3hours and take a bath. Is there anyone knows pls help to reply my email by soon. many thanks for your kind help information.

May God bless you all.