Here are the most likely causes of fitful nights and clenched jaws, according to a 2007 report from the American Psychological Association

1. Work (74 percent of those polled).
2. Money (73 percent).
3. Workload (66 percent).
4. Children (64 percent).
5. Family duties (60 percent).
6. Your health issues (55 percent).
7. Your spouse’s or children’s health problems (55 percent).
8. Your parents’ or some other family member’s health concerns (53 percent).
9. Housing costs (51 percent).
10. Intimate relationships (47 percent).