@Article{CDS19, author = "Casal, R. and Di Persia, L. and Schlotthauer, G.", title = "Sleep-wake stages classification using heart rate signals from pulse oximetry", journal = "Heliyon", number = "10", volume = "5", pages = "e02529", year = "2019", url = "http://sinc.unl.edu.ar/sinc-publications/2019/CDS19" }