Folding and buying pillows have a lot of learning 

To choose the right pillow, you must first understand the correct pillow method. Although "pillow", in fact, "pillow" is the correct, it should be pillow in the back of the head and shoulder in the middle of the neck, in the sleep of the role of supporting the neck. In supine, the highest point of the pillow should be in the middle of the neck, to support the cervical curvature, maintain the physiological curvature of the neck. The lowest point of the pillow is the back of the head, while on the side, the pillow supports the neck. To be able to maintain a positive view of the spine is in a straight line, from a sideways view is the normal S-type (in line with the physiological curve) of the principle can be. Health pillow in the "before high after the low" modelling is more in line with the physiological curve of the human body, in sleep, the pillow and the cervical part of a better fit, the cervical spine to play a supporting role, more suitable for people like supine.