They squeaked. Loudly. Very loudly. It was like that "squeaky boots" episode of SpongeBob SquarePants, but, like, way worse. Every step I took—Squeeeeak! Every time I shifted my stance—Squeeeeak!

You’ll want to know if the squeaking sounds are coming from the box spring, a rickety metal bed frame, or loose pieces of wood or slats on a platform bed. To investigate further, we spoke to ...