| http://www.w3.org/ns/prov#value | - Andrew Gallup, a researcher at Bingham University, explained that we yawn to prevent our brains from overheating:If your head is overheated, there is a good chance you will yawn soon, according to a new study that found the primary purpose of yawning is to control brain temperature.The finding solves several mysteries about yawning, such as why it is most commonly done just before and after sleeping,
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