Can ­i stay overnight at the Macau airport?Are there any a free transit area to relax?

Our flight will be arrival International Macau airport around midnight, we are going to stay overnight at the airport and wait for express link bus/served to take us go to Macau ferry to go to HongKong tomorro­w.Because we do not immigrate in Macau and don’t have a Macau visa. May we stay overnight at airport? Pls advise the best way for us?Thank you so much.