지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
In the present study, we investigated the physiological effects of smartphone use at night when the display luminance and white balance were differently manipulated. Two levels of luminance and two types of white balance were combined to form four types of displays. Subjects were instructed to use smartphones between 23:00 to 01:00 twice a week for two weeks, and for each trial, subjects were given one of the four display types. Melatonin concentration in the saliva, body temperature and heart rate were measured before and after each experiment. The experimental result showed that the low luminance display supported melatonin secretion and thermoregulation compared to the high luminance display. With regard to the white balance, higher melatonin level was observed when using the display that filtered blue light. The low luminance display together with yellowish tint best supported restful sleep at night in terms of every physiological response. This study collectively demonstrates that bright and blue light emitted from smartphone displays adversely affect melatonin secretion, body temperature, and heart rate, and therefore, suggests the use of a display with low luminance or a display that filters blue light for a restful sleep at night.
목차
등록된 정보가 없습니다.
참고문헌 (24)
참고문헌 신청
[학술지(정기간
A. Lewy / 1980 / Light suppresses melatonin secretion in humans / Science 210 (4475) : 1267 ~ 1269
Anne-Marie Chang / 2015 / Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness / Proceedings of the National Academy
Brainard, G. C. / 2001 / Action spectrum for melatonin regulation in humans : evidence for a novel circadian photoreceptor / Journal of Neuroscience 21 (16) : 6405 ~ 6412
Chen, J. / 2012 / Handbook of visual display technology(Vol. 131) / Springer
A. Lewy / 1980 / Light suppresses melatonin secretion in humans / Science 210 (4475) : 1267 ~ 1269
Anne-Marie Chang / 2015 / Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness / Proceedings of the National Academy
Brainard, G. C. / 2001 / Action spectrum for melatonin regulation in humans : evidence for a novel circadian photoreceptor / Journal of Neuroscience 21 (16) : 6405 ~ 6412
Chen, J. / 2012 / Handbook of visual display technology(Vol. 131) / Springer
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