We used to sleep in the back of the Land rover before we bought the caravan i insulated the side's with 25mm styrofoam then ply lined and carpeted,bought a complete 110 roof lining made a bed with slats similar to a caravan that went down runners fitted to the arches all slipped into a box just in behind the bulkhead and had cushions that sat on the side and folded down to make the bed 8) 8) oh and a night heater for them cold mornings etc.. even slept in it during snow warm as toast 8) 8) oh if anyone's interested i still have the foam for the bed fits a 110 perfect!! 8) 8) oh and had a carnex for doing the cooking in etc... all for sale if anyone interested?? 8) 8)