This time of year I get lots of questions about mattresses and sleep posture. What is the best position for sleep? People should never sleep on their stomach. No matter what, your head has to be turned to the side, so it stresses the muscles of the neck. Also, it puts the curves of the upper and low back in the wrong direction. It is best to seep our your side with a rolled blanket or towel between the knees to help maintain alignment of the pelvis. Alternatively people can