Yes and the Blackberry contributed to it.
Getting a mentor helped. Her advice was that at some point in a successful career, no one can possibly complete all of the potential tasks. Focus on the high value items. Either delegate the rest or leave them undone. It will become easier to walk out with unfinished tasks over time.
I work in an organization where two people died recently on the same weekend in separate traffic accidents. An ambulance shows up at the front gate on average once a week. Heart attacks, asthma, other issues are common.
Several years ago, I read a Swedish psychology study on personality types for government employees. Defense and IRS types tended to be very anxious. I suspect it is because of the nature of their work rather than a predisposition to join those organizations.
My two cents–now back to work!