Depends: Everyone is different, so you can't say 'all' firemen take deep naps, but typically people who are on call learn over time to get sleep when they can, so their body adjusts and goes into deeper sleep faster.
Answered 9/9/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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