In a TV show on the 5 they talked about this pillow for people who sleep on their stomach and side, I was a little tank, but on the first night which change is just great, of instinct is slipped her arms under the pillow, the shoulder is wedged over the nose in the pillow. Upon awakening more pain to the neck. I ordered the same model for my husband, he is also satisfied than me, he sleeps on the side. The downside is the price! and a plastic smell opening, it must be ventilated and then no problem