Abstract
In modern society, humans spend most of their time in the indoor environment (home, work, school...). This indoor lifestyle constantly poses challenges to our physical and mental health by affecting our hormone levels and circadian rhythm. This article deals with the possible connection between human and working environment factors and the emergence of health problems in connection with work. Using statistical methods, the dependence between the six characteristics (age, length of employment, visual demand of the work task, satisfaction with lighting conditions, and shift work) and occurrence of health-related problems and discomfort (i.e., eye discomfort, headache, eye fatigue, and seasonal affective disorder symptoms) was examined. The paper also deals with the evaluation of lighting conditions in the workshop using the lighting design software DIALux evo 9.2. Using this software, two lighting variants were modeled. The first simulated variant included lighting parameters according to the currently used luminaries and the second variant contained more efficient LED luminaries.
Highlights
Human organisms were adapted to the natural alternation of light and darkness, by the internal process that regulates the sleep–wake cycle called the circadian rhythm
Since humans spend most of their time in the indoor environment, the lighting in the interiors should be designed to contain as much daylight as possible, combined with added artificial lighting that can be adapted to the human needs in the absence of daylight to ensure best visibility and suitability
The modern lifestyle is characterized by a mismatch between circadian and societal clocks, a condition known as social jet lag, which can have severe impacts on human health and well-being [3,4]
Summary
Human organisms were adapted to the natural alternation of light and darkness, by the internal process that regulates the sleep–wake cycle called the circadian rhythm. In the last millennium with the appearance of an artificial light source and its development, the human lifestyle began to change and that led to disturbance of this circadian cycle. Humans started to lengthen their day and shortened their night. It was only a matter of time for people to address the potential negative impact of these changes associated with the use and development of artificial lighting and its interventions with the human body’s natural biorhythm [1,2]. Behavior, and the sleep–wake cycle, by directly stimulating the internal timing mechanisms of the brain. The modern lifestyle is characterized by a mismatch between circadian and societal (e.g., shift work, school) clocks, a condition known as social jet lag, which can have severe impacts on human health and well-being [3,4]
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