Waking up with a sore jaw or tension headache? Bruxism could be the cause.

Bruxism is clenching and grinding of the teeth that happens involuntarily. In sleep bruxism, this forceful grinding happens while a person is asleep. It is most common in children, adolescents, and young adults but can affect people of any age.

During sleep, people generally aren’t aware of their teeth grinding and can...