An unmade bed has indentations in the sheets or mattress and multiple pillows - Komsan Loonprom/Shutterstock A sagging mattress can cause you to feel pretty sad when you get out of the sack. The lack ...

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 ...