Windbreaker

Yes regular queen sheets fit. I don't know about the sleeper sofa. Things you might need:

1. TP, change that to lots of paper stuff, everything you get dirty you have to wash. DW says that no vacation.
2. pillows, towels, rags (both to wash and to toss)
3. tire tool to fit TM
4. lightweight pans, flatware, cook ware, dish soap, (gas cooks really fast so you might need some scrubbing pads)
5. air pump, I use a 12volt with a long cord, can reach any tire that might need it, check all tires before leaving
6. lanudry bags, soap
7. everything you would take to a motel
8. lawn chairs, folding table, maybe ice chest for cold drinks
9. outdoor cooking gear, if you do that
10. extra shoes, socks
11. White hose for drinking water, water filter
12. sewer kit - hose,hose connecters (both ends), duct tape, plastic gloves
13. microwave
14. sat. dish, reciever, tv, coax cable as needed
15. maps/guide books/campground guides
16. Credit cards with high limits for everything else you forgot
17. electric adapters -50 to 30amp/30 to 110
18. jack for TM
19. locks for ball latch/ball
20. camera with lots of flash cards/film

I sure there are lots others but this will get you started.