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People are acutely aware of the relationship between a non-supportive mattress and correct spinal alignment. When a mattress doesn't give you adequate support, some of the dozens of muscles supporting the back and spine have to work overtime to maintain the spine's alignment. (The ideal mattress should cradle the spine so that it maintains the same shape as when a person with good posture stands upright.)
Research indicates that the level of support for our backs and spine needs to change as frequently as each night. This is because the human body, the most complicated biological mechanism known to man, is made up of billions of cells in constant change. This "metabolic change" is directly affected by outside forces such as too firm or non- supportive mattresses.
Sleeping on our backs is the healthiest possible position to sleep in yet most people are not able to do so since optimum support is not provided along the curvature of the spinal system and we have to constantly change positions to try and become comfortable. Sleeping on a SAT mattress allows the body to lie in the anatomically correct position, relaxing skeletal muscles and providing proper alignment for internal organs and our spinal system.
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