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.
The traditional non-industrial strains of the Rhode Island Red are listed as watch by The Livestock Conservancy. The Rhode Island Red is the state bird of Rhode Island. It is one of only three state birds that is not a species native to the United States.