FWIW, I'm 41--but do not have kids!--and if you want a good delivery from me you still have to make it happen in at least the afternoon if not the evening: I te

FWIW, I'm 41--but do not have kids!--and if you want a good delivery from me you still have to make it happen in at least the afternoon if not the evening: I teach a class sometimes... at 6pm; and when I speak at various collegiate hackathons--which already have unhealthy schedules--I opt in to speaking at midnight ;P.