Integrated lighting ergonomics: A review on the association between non-visual effects of light and ergonomics in the enclosed cabins

The non-visual effects of light have become a hot topic in the study of how lighting environments affect humans. For an extended time, living and working in an isolated, confined, and enclosed (ICE) environment can have negative effects on the physiological and psychological issues of humans. In addition to the research on people's traditional visual ergonomics in the lighting environment, a new development trend is to pay attention to the ergonomics issue produced by non-visual (NV) effects, such as circadian rhythm, sleep, mental health, and performance, in the lighting environment. To protect the physical and mental well-being of individuals working in the enclosed cabins and to improve performance, it is vital to further develop new ergonomic research methodologies for the lighting environment. This paper reviewed relevant studies from the previous five years and follows the highly cited papers forward and backward to gain insight into the study and evaluation context of the non-visual effects of light. Based that, it is analyzed that the researches on sleep, alertness, and ergonomics in the enclosed cabins that induced by integrated lighting (IL, integrating the visual and non-visual effects of light). Reviewing research on the non-visual effects of light in the domains of medicine, ergonomics, and application, it is advised that integrated lighting ergonomics (ILE) research be conducted for crew living and working in the enclosed spaces, and that its objectives, methods, and design principles about ILE be described.