This is a great article from Dr. Shelley Carson. We do need to unplug from all our electronic umbilical for our physical, mental, and spiritual health. I unplug by setting my Blackberry to turn on/off at a specific time during the week and weekends so I do have time to myself to meditate, workout, and get my creative juices going to write.

Shelley Carson, Ph.D.: Temporarily Unplugged: A Good Idea to Foster Creativity?.