Peter listened, and helped to hoist Sirius higher up the stairs, down the hall and then to their own room, where their Four Posters sat in the dim of the room. Empty for now, which was a relief to him.
Once Remus moved off, Peter found he had more trouble then before with the other man -- Sirius was taller then him, and heavier then anything he was used to carrying -- and it was only through sheer determination that he managed to bring the Black to his bed.
He laid him down, pulled his legs up onto the bed and made it so that his arms were secure.
It looked painful. (Peter was surprised he had not gotten sick yet)
Talk to him...
Leaning over the bed, he gave Sirius' face a light smack, trying to keep him conscious. "Hey, mate. Open your eyes..."