Simply put: When you no longer sleep well on your old one.

There is no formula, although it is certainly to the benefit of the mattress industry to

have you believe it’s necessary to replace every few years. Regardless of your bed’s

age, if you sleep well in it and wake up feeling rested and refreshed, why would you

change anything? “If it ain’t broke...”, right? 

In all seriousness, if you answer “yes” to one or more of these questions, it may be

time...