Safe As 27: Sleepy or Drunk – which is more dangerous?

The effects of alcohol on driving risk is well-known, but how do the effects of fatigue compare to alcohol intoxication?

What happens when mental performance is compared between fatigue (via sleep loss) and alcohol impairment, and where/when do they intercept in impairing performance?

Today’s study is Maruff, P., Falleti, M. G., Collie, A., Darby, D., & McStephen, M. (2005). Fatigue‐related impairment in the speed, accuracy and variability of psychomotor performance: comparison with blood alcohol levels. Journal of sleep research, 14(1), 21-27.

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