Caffeine protects against increased risk-taking propensity during severe sleep deprivation.

@article{Killgore2011CaffeinePA,
  title={Caffeine protects against increased risk-taking propensity during severe sleep deprivation.},
  author={William D. S. Killgore and Gary H. Kamimori and Thomas J. Balkin},
  journal={Journal of sleep research},
  year={2011},
  volume={20 3},
  pages={395-403}
}
Previous research suggests that sleep deprivation is associated with declines in metabolic activity within brain regions important for judgement and impulse control, yet previous studies have reported inconsistent findings regarding the effects of sleep loss and caffeine on risk-taking. In this study, 25 healthy adults (21 men, four women) completed the Balloon Analog Risk Task (BART) and Evaluation of Risks (EVAR) scale at regular intervals to examine behavioral and self-reported risk-taking… CONTINUE READING
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