Sleep Medicine and Psychophysiology (수면정신생리)

KOREAN ACADEMY OF SLEEP MEDICINE (대한수면의학회)
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Effects of Light Pollution from Mobile Digital Devices on Sleep and Circadian Rhythms

모바일 디지털 기기로 인한 빛공해가 수면과 일주기 리듬에 미치는 영향

  • Lee, Youn-Jung (Department of Psychiatry, Gyeongsang National University of Medicine and Gyeongsang National University Hospital) ;
  • Cho, Chul-Hyun (Department of Psychiatry, Chungnam National University Sejong Hospital) ;
  • Lee, Heon-Jeong (Korea University Chronobiology Institute)
  • 이윤정 (경상대학교병원 정신건강의학과) ;
  • 조철현 (세종충남대학교병원 정신건강의학과) ;
  • 이헌정 (고려대학교 시간생물학 연구소)
  • Received : 2020.06.03
  • Accepted : 2020.06.27
  • Published : 2020.06.30
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Abstract

Mobile digital devices are very familiar and useful devices in the daily life of modern people, and are used for various tasks such as communication, reading, writing, and playing media. As the use of mobile digital devices has become more prevalent, user time has also been increasing. In particular, the number of people who use digital devices before sleep is growing. The light pollution associated with these devices is classified into four categories: urban sky glow, glare, light trespass, and clutter. The pattern in which modern people use digital devices corresponds to light pollution caused by light trespass and clutter from light exposure to artificial light at night. The light pollution caused by digital devices can cause melatonin secretion suppression, delayed sleep onset, reduction of sleepiness before bedtime, and periodic rhythm and cognitive function disturbances. In addition, a study of children and adolescents showed there may be disturbances in the sleep-wake cycle and circadian rhythm, deterioration of sleep quality, and daytime fatigue due to light pollution caused by artificial light at night from mobile digital devices. A multi-faceted research effort is also necessary to investigate the healthy use of mobile digital devices based on research evidence and insights with an accurate evaluation of the influence of mobile digital devices as a form of light pollution.

Keywords

References

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