Hermione pulled on her robe, slipped on slippers, and silently escaped her room of sleeping roommates.  Since their return from the break, Pansy would periodically drop next to her wherever Hermione was in the common room and strike up conversation.  Draco claimed that was just how friendship with Pansy worked.  Hermione felt like she was still passing some litmus test for the Slytherin girl, but maybe that was just friendships with Slytherins.