Yawn, Then Pass It On
May 22, 2012
Even thinking about yawning can provoke the urge. As irrepressible as it is contagious,1-3 yawning benefits the yawner (which includes practically all vertebrates)4 in a variety of neurologic, homeostatic and musculoskeletal ways.5 Yawning prepares an individual for an upcoming event or behavioral transition. It tenses the neck, compresses the carotid body and stimulates the sympathetic… Continue reading...