수면정신생리 (Sleep Medicine and Psychophysiology)

  • 제23권2호
  • /
  • Pages.53-60
  • /
  • 2016
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  • 1225-7354(pISSN)
  • /
  • 2713-8631(eISSN)
대한수면의학회 (KOREAN ACADEMY OF SLEEP MEDICINE)
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야간 수면 중 약한 인공 빛 노출이 피로도에 미치는 영향

Impact of Dim Artificial Light at Night (dALAN) Exposure during Sleep on Human Fatigue

  • 조아름 (고려대학교 의과대학 정신건강의학교실) ;
  • 조철현 (고려대학교 의과대학 정신건강의학교실) ;
  • 윤호경 (고려대학교 의과대학 정신건강의학교실) ;
  • 문정호 (고려대학교 의과대학 대학원 의과학과) ;
  • 이헌정 (고려대학교 의과대학 정신건강의학교실) ;
  • 김린 (고려대학교 의과대학 정신건강의학교실)
  • Cho, Ah-reum (Department of Psychiatry, Korea University College of Medicine) ;
  • Cho, Chul-Hyun (Department of Psychiatry, Korea University College of Medicine) ;
  • Yoon, Ho-Kyoung (Department of Psychiatry, Korea University College of Medicine) ;
  • Moon, Joung Ho (Department of Medical Science, Graduate School, Korea University College of Medicine) ;
  • Lee, Heon-Jeong (Department of Psychiatry, Korea University College of Medicine) ;
  • Kim, Leen (Department of Psychiatry, Korea University College of Medicine)
  • 투고 : 2016.10.26
  • 심사 : 2016.12.07
  • 발행 : 2016.12.31
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초록

목 적 : 야간 빛 노출은 현대 사회에서 만연해 있으나 야간 수면 중 약한 빛 노출(dim artificial light at night, dALAN)이 피로도에 미치는 영향은 잘 인지되고 있지 않다. 본 연구에서는 수면 중 약한 빛 노출이 인간의 피로도에 어떠한 영향을 주는가를 살펴보고자 하였다. 방 법 : 21세에서 29세까지의 건강한 남성 지원자 총 30명을 연구에 모집하였다. 그들은 빛 강도에 따라 두 그룹(Group A : 5 lux와 Group B : 10 lux)으로 무작위 배정되었다. 연구 결과 자료는 빛 노출이 없는 밤(Night 1)과 두 가지 다른 약한 빛(5 혹은 10 lux)에 노출된 밤(Night 2) 다음 날 자가 보고된 피로도 척도를 통해 수집하였다. 결 과 : 야간 수면 중 약한 빛 노출은 전반적인 피로도(F = 19.556, p < 0.001)와 안구 불편감(F = 5.671, p = 0.028)의 증가와 유의하게 연관성이 있었다. 결 론 : 본 연구팀에서는 야간 수면 중 약한 빛 노출이 인간의 피로도에 일부 측면에서 영향을 준다는 것을 확인하였다. 이러한 결과들은 야간 수면 중 약한 빛 노출이 인간의 피로도에 부정적인 영향을 준다는 것을 의미한다.

Objectives: Exposure to light at night has become pervasive in modern society. The impact of dim artificial light at night (dALAN) exposure on sleep and fatigue is not well recognized. We aim to study the impact of dALAN exposure during sleep on human fatigue. Methods: 30 healthy young male volunteers from 21 to 29 years old were enrolled in the study. They were randomly divided into two groups depending on light intensity (Group A : 5 lux and Group B : 10 lux). Data were gathered from each participant after each night with no light (Night 1) followed by the next night (Night 2) with two different dim light conditions (5 or 10 lux) by means of self-reported fatigue scale. Results: Exposure to dALAN during sleep was significantly associated with increased overall fatigue (F = 19.556, p < 0.001) and ocular discomfort (F = 5.671, p = 0.028). Conclusion: We found that dALAN during sleep likely affects human fatigue in some aspects. These findings indicate that dALAN during sleep exerts a negative effect on human fatigue.

키워드

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피인용 문헌

  1. Impact of Exposure to Dim Light at Night on Sleep in Female and Comparison with Male Subjects vol.15, pp.5, 2018, https://doi.org/10.30773/pi.2018.03.17