@article{ref1,
title="The newest epidemiology trend of insomnia",
journal="Nippon Rinsho",
year="2014",
author="Ikeda, Maki and Kaneita, Yoshitaka",
volume="72",
number="3",
pages="573-577",
abstract="Sleep disturbance such as insomnia is one of common complaint among adults in developed countries. Insomnia induces sleepiness and drowsiness, resulting in a reduction of working efficiency in the daytime. Drivers in the transportation system and machine operators could cause serious industrial accidents if they have sleep disturbances. Recent studies reported that approximately 20% of Japanese population had sleep disturbances. Here we provide a general account of sleep disturbance about Japanese population.<p /> <p>Language: ja</p>",
language="ja",
issn="0047-1852",
doi="",
url="http://dx.doi.org/"
}