Effects of alternating 8- and 12-hour shifts on sleep, sleepiness, physical effort and performance.

@article{Axelsson1998EffectsOA,
  title={Effects of alternating 8- and 12-hour shifts on sleep, sleepiness, physical effort and performance.},
  author={Jonas Axelsson and G{\"o}ran Kecklund and Torbj{\"o}rn {\AA}kerstedt and Arne Lowden},
  journal={Scandinavian journal of work, environment & health},
  year={1998},
  volume={24 Suppl 3},
  pages={62-8}
}
OBJECTIVES The aim of the present study was to compare 12-hour shifts during weekends with 8-hour shifts during weekdays with respect to sleep, sleepiness, physical effort, and performance. METHODS Thirty-one subjects at a power plant participated. Sleep, sleepiness, and physical effort were measured with a diary. About half of the subjects carried out a reaction-time test during both 8- and 12-hour morning and night shifts. The remaining subjects carried out a vigilance task. RESULTS… CONTINUE READING

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