1. Center for Sleep Medicine Kempenhaeghe, Heeze, The Netherlands
2. Department of Industrial Design, Eindhoven University of Technology, Eindhoven, The Netherlands
3. Department of Psychiatry, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
4. Biomedical Diagnostics Group, Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands