I don't know what kind of "experience" you have, but what part of working 12 hour shifts do you not understand? Also, have you ever worked on an ambulance before? You make it seem like they work inside the hospital and can take breaks and eat lunch whenever they want. It's not like they have a refrigerator and stove in the back of the ambulance. The whole concept of EMS is strategically placing your ambulances in the busiest parts of town; not at the hospital. Which means your only option is stopping off somewhere to get something to eat, instead of going back to the hospital. How do you know the ambulance you saw at Ahli just didn't drop a patient off at the E.R.? If they did it makes sense to me to go ahead and get something to eat while they are aleady there. But:

.... these are my thoughts, and no offense meant..