A recent survey found that U.S. employees spend an average of 13 hours during the workweek and 6.2 hours over the weekend worrying about their boss says or does. Together that adds up to 19.2 hour a week of lament over bad boss woes. Turns out, unreasonable or ineffective supervisors don't just affect employee work life, they can indirectly damage family life and psychological and physical health.

http://keas.com/blog/bad-boss/