In this episode, Julius-Cezar introduces the listeners to a world of work that is invisible to the diurnal eye and inaudible to the nocturnal sleeper. Ger Duijzings, Professor of Social Anthropology at the University of Regensburg, joins the host to talk about his Nightlaboratory project.Two other guests, Jeff (a London night bus driver), and an anonymous outreach worker with sex workers in East London, give their views and experiences of working at night.