@article{ref1,
title="Sleep debt and serotonin. A response to a comment on my hypothesis",
journal="Medical hypotheses",
year="2011",
author="Kohyama, Jun",
volume="76",
number="2",
pages="e304-e304",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0306-9877",
doi="10.1016/j.mehy.2010.11.027",
url="http://dx.doi.org/10.1016/j.mehy.2010.11.027"
}