I don't think it's entirely a management issue. There are plenty of coders working normal hours then coding into the night on personal projects and missing sle

I don't think it's entirely a management issue. There are plenty of coders working normal hours then coding into the night on personal projects and missing sleep as a result. It's almost become a macho thing amongst developers - when was the last time you pulled an all-nighter, how many hours have you put into project X.