Abstract
Overloaded work and life stress often result in excessive fatigue and stresses in people, further leading to psychological burden and physiological disease. In this case, good rest is important in busy life. Good rest could result in good quality of life and work efficiency. In order to assist people in getting into deep rest to obtain a restorative state after fatigue, a dynamic lighting system with low-frequency change for assisting users in effective relaxation is proposed in this study. Heart rate variability analysis is used for discussing the change in the autonomic nervous system of the subjects under dynamic lighting environment, and a self-report questionnaire is applied to understand the subjects' psychological feeling. The research results indicate that the subjects significantly showed enhancement in the activities of parasympathetic nervous system within 25 minutes in the dynamic lighting process, in comparison with the steady lighting system. The questionnaire survey results also reveal that the subjects receive higher quality of rest, after the dynamic and low-illuminance lighting stimuli, with good feeling.
Highlights
In the modern society with information overload, overtime work and high-stress life often result in people’s negative feelings of fatigue, stress, and loss
According to the above literature, this study proposed a system with dynamic and low-illuminance lighting with lowfrequency change to assist users in effective relaxation, expecting to help people get into deep rest to obtain a restorative state after the fatigue. e effects of steady lighting environment and dynamic lighting environment on humans’ autonomic nervous system and psychological feeling within a certain period are discussed in this study
E research results indicate that the activities of parasympathetic nervous system of the subjects in the dynamic lighting process proposed in this study, compared to the steady lighting system, significantly increase in 25 minutes. e questionnaire results reveal that the subjects receive higher rest quality, after receiving the dynamic and low-illuminance lighting stimuli, with good feeling. e above results show that the dynamic and lowilluminance lighting system proposed in this study could assist people in efficient rest and relaxation. e research would be applied to people with different needs in the future, e.g. people in graveyard shift, people frequently back and forth different time zones, and even patients in longterm care centers and long-hour workers
Summary
In the modern society with information overload, overtime work and high-stress life often result in people’s negative feelings of fatigue, stress, and loss. Excessive fatigue and stress could result in psychological burden leading to psychological diseases of anxiety and depression [1, 2]; physiological diseases, such as destroyed physiological rhythm, endocrine disorder, and insomnia would occur [3, 4]. For this reason, it is urgently required for modern people to understand how to effectively release fatigue and stress. Is research found out the important effect of good rest on life and work [5]. A theoretical definition of rest includes a beneficial state that is intentional, temporary, and restorative when people have problems such as physical and mental work or activity, fatigue, trauma, illness, or stress [6,7,8]
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