RATS. The research they cited was done on the sleeping posture of RATS, a quadrupedal, straight necked organism. I doubt it's very applicable overall to the dif

RATS. The research they cited was done on the sleeping posture of RATS, a quadrupedal, straight necked organism. I doubt it's very applicable overall to the difference between lateral and supine posture in humans so I wouldn't take this article to heart in order to adopt a sleeping position that's bad on your shoulders and sinus development. link: http://www.jneurosci.org/content/35/31/11034.short http://www.jneurosci.org/content/35/31/11034.short