Blue light exposure reduces objective measures of sleepiness during prolonged nighttime performance testing.

@article{PhippsNelson2009BlueLE,
  title={Blue light exposure reduces objective measures of sleepiness during prolonged nighttime performance testing.},
  author={Jo Phipps-Nelson and Jennifer R. Redman and Luc J. M. Schlangen and Shantha M W Rajaratnam},
  journal={Chronobiology international},
  year={2009},
  volume={26 5},
  pages={891-912}
}
This study examined the effects of nocturnal exposure to dim, narrowband blue light (460 nm, approximately 1 lux, 2 microW/cm2), compared to dim broad spectrum (white) ambient light ( approximately 0.2 lux, 0.5 microW/cm2), on subjective and objective indices of sleepiness during prolonged nighttime performance testing. Participants were also exposed to a red light (640 nm, approximately 1 lux, 0.7 microW/cm2) placebo condition. Outcome measures were driving simulator and psychomotor vigilance… CONTINUE READING

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