RV travel is a great way to sightsee, bond with the family and travel in a unique, all-inclusive style. Where else can you sleep, eat and drive all in one place? Convenience can’t be beat but comfort, well, that takes a little more finesse. The mattress most RVs come with won’t exactly remind you of the comforts of sleeping in your own bed at home—but you don’t have to sacrifice your sleep on the road. There are mattresses you can swap out as long as they’re compliant with your RV’s space. Here’s what to know before you buy so you can catch those ZZZZs!