Do Memory Foam Mattresses Sag?
Memory foam sagging and the feeling of a sinking bed or sagging mattress is a very common problem for many people. Not all memory foam mattresses will sag but many do fail overtime as the foam begins to breakdown.
What is a Bonnell spring mattress?
Bonell Springs or Coil Springs are the oldest spring technology that will be found in modern mattresses. The springs were revolutionary when they were first introduced.