Job meaningfulness is not related wether it's 9-5 or not. And some jobs, wether we like it or not, have to be done at specific predefined time. There're no jobs

Job meaningfulness is not related wether it's 9-5 or not. And some jobs, wether we like it or not, have to be done at specific predefined time. There're no jobs that have to be done by slaves or children though.