If we think about it, we spend about 1/3 of our lives sleeping. That means that if we were to live to the ripe old age of 90, 30 of those years would be in bed sleeping. Wenn looking for a mattress for sale, I always look for one that is comfortable and durable. I want one that will last and be able to provide me with a comfortable night sleep. I have two active girls and I need my rest, a good mattress will help me get a good nights sleep.