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.
New Jersey has no native year-round hummingbird population. So the annual return of ruby-throated hummingbirds from their southern winter homes is a big event for bird lovers across the state. A well-kept hummingbird feeder can keep the birds coming for months, until they head south again in fall.