Summary.
500 ml of a glucose based "energy" drink versus a control without the active ingredients (caffeine, taurine, glucuronolactone) were given double blind to 11 sleepy participants driving an interactive real-car driving simulator. Lane drifting and a secondary task (reaction time) were measured for two hours post-treatment. The energy drink significantly improved both indices, particularly for the first hour.
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Received January 2, 2000 / Accepted February 1, 2000
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Horne, J., Reyner, L. Beneficial effects of an "energy drink" given to sleepy drivers. Amino Acids 20, 83–89 (2001). https://doi.org/10.1007/s007260170068
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DOI: https://doi.org/10.1007/s007260170068