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.

My partner and I tested Sleep Number's ClimateCool smart bed for 90 nights -- and our sleep has never been so similar. Here's what to know about this high-tech bedroom setup. Aly Lopez was a writer on ...

I’ve slept on the Sleep Number ClimateCool for a month, and it’s comical how much this mattress was made for me. For starters, my fiancée and I can never align on the perfect temperature. During ...