What on Earth is a saggy mattress? If you’ve experienced this, it needs no introduction. You roll into bed… and then keep on rolling and rolling into the endless pit that has formed where you usually ...

If your mattress has lumps, dips or clear “body impressions” in it, this can wreak havoc on spinal alignment and increase ...

Q: I bought a king size mattress from Mattress Firm in 2013. It came with a 10-year warranty — or so they told me. Recently, the mattress developed a terrible dip where I sleep, and I have been ...

Mirtha Himschoot’s Mattress Firm bed has a dip. The company won’t replace it, insisting her mattress is “used.” Does the 10-year warranty mean anything? Question: I bought a king size mattress from ...