Jeeps, yes spread the sheets around the camper. I tuck them behind the bed, in the fold of the bed, in cabinets, under the seats and on the seats .
I think a good pre-storage clean out to ensure no food products are left in the unit helps immensely.
I have placed the moth balls around the wheels (access point ) but not sure if that really helps , they disappear fast outside
2014 ROO 24 IKSS
2012 F150 Quad Cab Eco Boost short bed w/tow package