@article{Sahami_Shirazi_2013, title={Already up? using mobile phones to track & share sleep behavior}, volume={71}, ISSN={1071-5819}, url={http://dx.doi.org/10.1016/j.ijhcs.2013.03.001}, DOI={10.1016/j.ijhcs.2013.03.001}, number={9}, journal={International Journal of Human-Computer Studies}, publisher={Elsevier BV}, author={Sahami Shirazi, Alireza and Clawson, James and Hassanpour, Yashar and Tourian, Mohammad J. and Schmidt, Albrecht and Chi, Ed H. and Borazio, Marko and Van Laerhoven, Kristof}, year={2013}, month=Sept, pages={878–888} }