The right way to do it is to not install work slack on any of your non-work devices. Barring emergencies, which should be directed to dedicated on-call staff, o

The right way to do it is to not install work slack on any of your non-work devices. Barring emergencies, which should be directed to dedicated on-call staff, or extenuating circumstances like prearranged projects with tight deadlines, there should be no reason to have to reply to your boss until the next work day.