Adaptation across consecutive night shifts at 71°N under Arctic summer daylight and winter darkness: Effects on alertness, sleepiness, and fatigue

Andreas N Holme et al.

Scandinavian Journal of Work, Environment and Health2026https://doi.org/10.5271/sjweh.4295article
AJG 3
Weight
0.50

What the paper says

Night shifts generally impair alertness and increase sleepiness and fatigue, yet outcomes improved across consecutive nights. Despite the well-established effects of natural light on circadian rhythms, the seasonal photoperiod altered neither the shift-related impairments in alertness, sleepiness or fatigue nor the subsequent improvements across consecutive nights; workers showed similar adaptation in both seasons.

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https://doi.org/https://doi.org/10.5271/sjweh.4295

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@article{andreas2026,
  title        = {{Adaptation across consecutive night shifts at 71°N under Arctic summer daylight and winter darkness: Effects on alertness, sleepiness, and fatigue}},
  author       = {Andreas N Holme et al.},
  journal      = {Scandinavian Journal of Work, Environment and Health},
  year         = {2026},
  doi          = {https://doi.org/https://doi.org/10.5271/sjweh.4295},
}

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Adaptation across consecutive night shifts at 71°N under Arctic summer daylight and winter darkness: Effects on alertness, sleepiness, and fatigue

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Evidence weight

0.50

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

† Text relevance is estimated at 0.50 on the detail page — for your query’s actual relevance score, open this paper from a search result.