Yeah, but that's not constant work over that span. Most of it (and frequently all of it) is just sitting around the firehouse waiting for a call. In the meantime they can eat, sleep, watch TV, etc.
Edit: Ok, ok, there are duties that need to be done around the station so it's not all sitting around. But it's also not fighting fires 24 hours straight.
I count Buckaroo Banzai (or to give it its full name, The Adventures of Buckaroo Banzai Across the Eighth Dimension) as my all-time favorite film. But I realize it's not for everyone.
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