Timed exposure to bright light improves sleep and alertness during simulated night shifts.

@article{Dawson1991TimedET,
  title={Timed exposure to bright light improves sleep and alertness during simulated night shifts.},
  author={DetectorB. R. Dawson and Scott S. Campbell},
  journal={Sleep},
  year={1991},
  volume={14 6},
  pages={511-6}
}
Many of the health and safety problems reported by shift workers result from the chronic sleep deprivation associated with shorter, fragmented daytime sleep. This reduction in the quality and duration of sleep has been attributed to a change in the phase relationship between the work period and the circadian system, timing the propensity for sleep and wakefulness. This study examined the extent to which appropriately timed exposure to bright light would accelerate the circadian readjustment of… CONTINUE READING

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