Figure 1 shows the user attempting to roll on to the back. It shows pouch and insert (due to size, partial circumference mounting and shoulder placement) rotating and pressing against upper torso-spinal area. This creates a slight pressure on spine and lower neck area tilting the head slightly back and moves jaw forward with tongue falling to the side while parallel to bed which helps to keep airway open. On the shirt garment the sleeve besides helping to keep pouch in place creates an almost undetectable slight pressure which in combination with shirt pillow helps cause user in deeper stages of sleep to assume position in Figure 2. Figure 2 shows user in a 90 degree or greater position toward stomach creating the front of head to be tilted towards bed.  This also creates a gravitational situation for the mouth to close slightly and jaw to move forward. The tongue and surrounding muscle areas also will fall toward frontal and side areas which helps maintain airway. The sleeper would be using their normal sleeping environment while accomplishing this.                                                                                                                                          MEDIUM-LARGE HAVE 6” ROUND PILLOW x 12” length                                                      XLARGE-2XLARGE HAVE 8” PILLOW x 12” length