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 law designating the mountain bluebird (Sialia arctcia) as the official Idaho state bird is Section 67-4501 (STATE BIRD DESIGNATED) of the Idaho Statutes, Title 67 (STATE GOVERNMENT AND STATE AFFAIRS) Chapter 45 (STATE SYMBOLS) Section 67-4501.