People can clench and grind without being aware of it. It can happen during both the day and night, although sleep-related bruxism is often a bigger problem because it is harder to control. There is some disagreement about the cause of bruxism. Daily stress may be the trigger in many people.
The Blue Jay has a very large range, extending to around 6,700,000 square kilometers. It prefers a boreal temperate, subtropical, tropical forest ecosystem and is native to North America, Saint Pierre, and Miquelon.
Other small to medium-sized native birds with blue bodies include: 1  Buntings: Blue Bunting, Indigo Bunting, Lazuli Bunting, Painted Bunting, Varied Bunting. 2  Jays: Blue Jay, Florida Scrub-Jay, Mexican Jay, Pinyon Jay, Steller's Jay, Western Scrub-Jay.