A good article by the CDC regarding issues created by shiftwork. The effects on the body, family and such. Check it out it has lots of good information. Try to share it with your families and your crews.
This is the link to the video that was running at Central fire station during the Centennial events.
http://www.youtube.com/watch?v=2Lut5XUY3kE this is a larger file or
http://www.siouxfalls.org/central-services/multimedia-support/citylink/programs/feature-programs/century-of-service/central-fire-station.aspx this is through the citys website.