Effects of light and caffeine on human sleepiness and alertness: A simulated driving experiment

Shekari Soleimanloo, Shamsi (2016) Effects of light and caffeine on human sleepiness and alertness: A simulated driving experiment. PhD thesis, Queensland University of Technology.


This thesis examined the effects of a novel blue-green light intervention, together with caffeine, on sleepiness and driving performance in young adults, a population that is overrepresented in sleepiness-related road crashes. Light, caffeine, and the combination of light and caffeine each improved alertness after chronic-partial sleep deprivation to a greater extent than did a placebo. Each condition improved subjective sleepiness, objective psychomotor performance, and objective driving performance, with the greatest effect found for light and caffeine in combination. These findings have implications for interventions to reduce mortality and morbidity associated with road crashes.

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ID Code: 95888
Item Type: QUT Thesis (PhD)
Supervisor: Smith, Simon, White, Melanie, & Garcia Hansen, Veronica
Keywords: Bright light, Caffeine, Chronic partial sleep loss, Countermeasures for sleepiness, Psychomotor Vigilance Task, Simulated drive, Sleep deprivation, Sleep-related road crash, STISIM Drive Simulator, Young driver
Divisions: Current > Research Centres > Centre for Accident Research & Road Safety - Qld (CARRS-Q)
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Institution: Queensland University of Technology
Deposited On: 15 Jun 2016 00:57
Last Modified: 15 Jun 2016 00:57

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