Fig. 5From: Non-visual effects of diurnal exposure to an artificial skylight, including nocturnal melatonin suppressionSchedule lighting conditions: 09:00–18:00: artificial skylight or fluorescent lights (see Table 1). 18:00–19:00: artificial skylight or fluorescent lights with 200 lx and CCT kept the same; 19:00–00:00: dim light condition (< 30 lx). 00:00–01:30: fluorescent lights with 500 lx and 5000 KBack to article page