After ten years, my mattress was uncomfortable.  I did some research on mattress toppers and decided to go with a 2-inch topper.  I thought it would fit better with my bed sheets, which it did.  Unfortunately, memory foam is very hot to sleep on.  I'm the type that gets very warm at night.  Even in the cold MN winters, I don't use flannel sheets or extra blankets.  This mattress topper made me feel horrible every morning due to aches and pains.  I tried the mattress topper for three days before returning it to Amazon.  I decided to buy a firm mattress instead, which gives me a great nights...