@article{ref1,
title="Piloting when you 'should' be sleeping: what effects?",
journal="JAMA journal of the American Medical Association",
year="1981",
author="Gunby, P.",
volume="245",
number="9",
pages="900, 905-900, 905",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}