The 2 biggest aspects when looking to purchase a new mattress, is comfort and also support.There are a few things that should take place when you lie down. You want the sinkage and contour to be right, for proper spine alignment. You also want a mattress to correctly support your body, as you sleep at night. To ensure you are getting a healthy rest at night, it is crucial that your alignment from head to toe is correct. This also greatly reduces any neck and back pain, which you may have. A mattress should provide you with stress relief, while at the same time being supportive all around of your body. The stress points in your body are precisely what is in control of you thrashing during the evening. Memory foam mattresses have earned their way into the spotlight, by not only being comfortable, but as equally supportive.