@article{Olbrich_2013,
title={Effect of prolonged wakefulness on electroencephalographic oscillatory activity during sleep},
volume={23},
ISSN={1365-2869},
url={http://dx.doi.org/10.1111/jsr.12123},
DOI={10.1111/jsr.12123},
number={3},
journal={Journal of Sleep Research},
publisher={Wiley},
author={Olbrich,
Eckehard and Landolt,
Hans Peter and Achermann,
Peter},
year={2013},
month=dec,
pages={255–262} }