Wrzus, Cornelia; Brandmaier, Andreas M.; von Oertzen, Timo - 2012
environment and following their normal routine. Physical activity, body posture, and change in body posture during the night were … classified using a newly developed classification algorithm based on angular changes of body axes. The duration of supine posture … well as external validity regarding expected age differences. The algorithms for classifying sleep postures and posture …