Evolution of International Labour Organization’s Standards toward Night Work

After industrial revolution and in light of its effects, hours of work have been changed and night work became common. Considering consequences of night work on worker’s live especially the most vulnerable among them (children and women) ILO (International Labour Organization) focused on it and attempted to protect workers by adopting many instruments in which protection measures has been introduced. This article aims to study the evolution of ILO standards towards night work at various time periods. Results show that the International Labour Law has adopted different approach to protect workers toward night work and finally by adopting a convention (convention No. 171) related to all workers, seeks to ensure a set of standards to realize this goal.