@article{ref1,
title="High incentive effects on vigilance performance during 72 hours of total sleep deprivation",
journal="Acta psychologica",
year="1985",
author="Horne, James A. and Pettitt, Anthony N.",
volume="58",
number="2",
pages="123-139",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}