You put a mattress pad (twin size I guess?) on this that is thin enough to fold in half and you have a spare bed that folds up and is on wheels. The mattress I threw out because it was super old was basically a 4"-6" thick foam pad, not a full thickness mattress.
Or take it for scrap.
Top of Copperfield Road on left before intersection with Seconset Street.
No emails I will try to update or remove listing as I see things are taken