Alireza Sahami Shirazi, James Clawson, Yashar Hassanpour, Mohammad J. Tourian, Albrecht Schmidt, Ed H. Chi, Marko Borazio, Kristof Van Laerhoven. Already up? using mobile phones to track & share sleep behavior. International Journal of Man-Machine Studies, 71(9):878-888, 2013. [doi]
Abstract is missing.