When you are not sure if a splitted room is something for you than please think about following facts:
You are not allone,and while you are sleeping others can come home an go everytime( even at 3 in the morning)
People can be drunk loud and your bathroom may be Very dirty.
Its all about the Peolpe you have to share your room with.
Maybe you have nice People inside and your stay will bether than mine :)