Using Smartwatch Sensors to Support the Acquisition of Sleep Quality Data for Supervised Machine Learning

  • Cinzia Bernardeschi
  • Mario G. C. A. Cimino
  • Andrea Domenici
  • Gigliola Vaglini
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 192)

Abstract

It is a common practice in supervised learning techniques to use human judgment to label training data. For this process, data reliability is fundamental. Research on sleep quality found that human sleep stage misperception may occur. In this paper we propose that human judgment be supported by software-driven evaluation based on physiological parameters, selecting as training data only data sets for which human judgment and software evaluation are aligned. A prototype system to provide a broad-spectrum perception of sleep quality data comparable with human judgment is presented. The system requires users to wear a smartwatch recording heartbeat rate and wrist acceleration. It estimates an overall percentage of the sleep stages, to achieve an effective approximation of conventional sleep measures, and to provide a three-class sleep quality evaluation. The training data are composed of the heartbeat rate, the wrist acceleration and the three-class sleep quality. As a proof of concept, we experimented the approach on three subjects, each one over 20 nights.

Keywords

Sleep monitoring Smartwatch Sleep quality estimation 

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2017

Authors and Affiliations

  • Cinzia Bernardeschi
    • 1
  • Mario G. C. A. Cimino
    • 1
  • Andrea Domenici
    • 1
  • Gigliola Vaglini
    • 1
  1. 1.Department of Information EngineeringUniversity of PisaPisaItaly

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