@article{ref1,
title="Sleep, its regulation and possible mechanisms of sleep disturbances",
journal="Acta physiologica",
year="2013",
author="Porkka-Heiskanen, Tarja and Zitting, Kirsi-Marja and Wigren, Henna-Kaisa",
volume="208",
number="4",
pages="311-328",
abstract="Disturbances of sleep are among the most common causes to seek medical counseling. The feeling of unrefreshing sleep, difficulty to fall asleep and early morning awakenings are typical complains. Common experience, as well as experimental studies evidence severely compromised cognitive and social performance after a prolonged period of wakefulness and/or unrefreshing sleep. Recent epidemiological research has identified associations between many common diseases and short/long sleep; among them cardiovascular diseases and type II diabetes. This article is protected by copyright. All rights reserved.<p /> <p>Language: en</p>",
language="en",
issn="1748-1708",
doi="10.1111/apha.12134",
url="http://dx.doi.org/10.1111/apha.12134"
}