ACKNOWLEDGMENTS
We would like to thank the director Dr. med. Karl-Otto
Steinmetz and the medical staff of the Elisabethenstift sleep
laboratory (Darmstadt, Germany), who have enabled us to
perform this study, as well as the 42 patients who participated
in this study. We would also like to thank Jussi Virkkala
for providing us with a test dataset as well as the original
scripts of his study on activity counts [16]. This work was
sponsored by the project Long-Term Activity Recognition
with Wearable Sensors (LA 2758/1-1), which is funded by
the German Research Foundation (DFG).