@article{ref1,
title="Insomnia: more questions need answers",
journal="Journal of sleep research",
year="2010",
author="Lavie, Peretz",
volume="19",
number="1‐Part‐I",
pages="1-2",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0962-1105",
doi="10.1111/j.1365-2869.2010.00836.x",
url="http://dx.doi.org/10.1111/j.1365-2869.2010.00836.x"
}