Karlen W, Floreano D. SleepPic. Hardware Developments for a Wearable On-line Sleep and Wake Discrimination System. In: Babiloni, Fabio and Fred, Ana and Filipe, Joaquim and Gamboa, Hugo, editors. Proc. of the International Conference on Bio-inspired Systems and Signal Processing (BIOSIGNALS). Rome, Italy: SciTePress; 2011. p. 132--7.

Karlen W, Floreano D. Adaptive Sleep-Wake Discrimination for Wearable Devices. IEEE Transactions on Biomedical Engineering. 2010; 58(4):920--6.      [DOI]      [File] 

Karlen W. Adaptive Wake and Sleep Detection for Wearable Systems. Lausanne: Ecole Polytechnique Federale de Lausanne (EPFL); 2009.      [DOI]      [File] 

Karlen W, Mattiussi C, Floreano D. Sleep and Wake Classification With ECG and Respiratory Effort Signals. IEEE Transactions on Biomedical Circuits and Systems. 2009; 3(2):71--8.      [DOI] 

Karlen W, Mattiussi C, Floreano D. Improving actigraph sleep/wake classification with cardio-respiratory signals. In: Annual Int. Conference of the IEEE Engineering in Medicine and Biology Society.. Vancouver: IEEE Engineering in Medicine and Biology Society; 2008. p. 5262--5.      [DOI]      [File] 

Karlen W, Mattiussi C, Floreano D. Adaptive Sleep/Wake Classification Based on Cardiorespiratory Signals for Wearable Devices. In: 2007 IEEE Biomedical Circuits and Systems Conference. IEEE; 2007. p. 203--6.      [DOI]      [File] 

Karlen W, Mattiussi C, Floreano D. Human Sleep/Wake Classification. In: BMES Annual Chapter Conference. Lausanne, CH: 2007.