Mattresses are supposed to last at least seven years, but they can become uncomfortable to sleep on much sooner. If you never flip or rotate your mattress, the springs or foam wear out under pressure.

Add Yahoo as a preferred source to see more of our stories on Google. Somewhere along the way, you were probably told that regularly flipping your mattress is a key part of maintenance to improve the ...

Sleep experts weigh in on the outdated practice of flipping your mattress, and explain why you'll never have to do it again. When it comes to taking care of your bed (AKA caring about the overall ...