A.I. Burnasyan FMBC clinical bulletin. 2025 № 4
E.V. Goloborodko, S.M. Razinkin, M.A. Bragin, A.A. Kish, N.Z. Orlova, A.A. Kosenkov
A Review of Modern Approaches to Adaptation to Polar Day
Conditions in Shift-Based Work
International Office, State Research Center – Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow, Russiа
Contact person: Goloborodko Evgeny Vladimirovich: egoloborodko@fmbcfmba.ru
Abstract
The active development of the Arctic requires ensuring high efficiency of personnel in extreme conditions. The key problem is the polar day, which acts as a powerful desynchronizing factor. Constant lighting suppresses melatonin production, disrupts circadian rhythms, which leads to a deterioration in sleep quality and a decrease in mental and physical performance. The article provides an overview of the literature data on adaptation to the conditions of the polar day when performing responsible work using the shift method of labor organization. Artificial light control is most effective: using light-blocking masks and curtains, limiting blue light before bedtime, and using dawn simulators. Pharmacological methods include taking melatonin as a chronobiotic and adaptogens such as Eleutherococcus. Behavioral strategies play an important role: strict adherence to the regime, creating ideal conditions for sleep, psychological techniques and cognitive behavioral therapy. Promising areas are the preliminary correction of the regime, the use of actigraphy for personalized chronotherapy, and the use of physiostimulation methods to normalize sleep architecture.
Keywords: arctic region, functional state, circadian rhythm, polar day, adaptation
For citation: Goloborodko EV, Razinkin SM, Bragin MA, Kish AA, Orlova NZ., Kosenkov AA. A Review of Modern Approaches to Adaptation to Polar Day Conditions in Shift-Based Work. A.I. Burnasyan Federal Medical Biophysical Center Clinical Bulletin. 2025.4:39-43. (In Russian) DOI: 10.33266/2782-6430-2025-4-39-43
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Conflict of interest. The authors declare no conflict of interest.
Financing. The study had no sponsorship.
Contribution. Article was prepared with equal participation of the authors.
Article received: 12.08.2025. Accepted for publication: 25.09.2025