I hate to admit it, but I can be pretty high-maintenance when it comes to sleeping on air mattresses, pull-out beds or even sofas. I always seem to wake up with an achy back, stiff neck or worse — a ...

From the classic sleeper sofa that pulls out to reveal a full-size mattress, to the space-saving futon sofa bed that folds ...

Futon-style: These fold in such a way that ... Another big perk is that they're less bulky than pull-out beds, but they also have a reputation for landing on the firmer, stiffer side.