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. 2022 Aug 11;19(16):9890.
doi: 10.3390/ijerph19169890.

Modeling Sleep Quality Depending on Objective Actigraphic Indicators Based on Machine Learning Methods

Olga Vl Bitkina  1 , Jaehyun Park  1 , Jungyoon Kim  2
Affiliations

Modeling Sleep Quality Depending on Objective Actigraphic Indicators Based on Machine Learning Methods

Olga Vl Bitkina et al. Int J Environ Res Public Health. .

Abstract

According to data from the World Health Organization and medical research centers, the frequency and severity of various sleep disorders, including insomnia, are increasing steadily. This dynamic is associated with increased daily stress, anxiety, and depressive disorders. Poor sleep quality affects people's productivity and activity and their perception of quality of life in general. Therefore, predicting and classifying sleep quality is vital to improving the quality and duration of human life. This study offers a model for assessing sleep quality based on the indications of an actigraph, which was used by 22 participants in the experiment for 24 h. Objective indicators of the actigraph include the amount of time spent in bed, sleep duration, number of awakenings, and duration of awakenings. The resulting classification model was evaluated using several machine learning methods and showed a satisfactory accuracy of approximately 80-86%. The results of this study can be used to treat sleep disorders, develop and design new systems to assess and track sleep quality, and improve existing electronic devices and sensors.

Keywords: actigraphy; k-nearest neighbors; machine learning; naïve Bayes; sleep quality; support vector machine.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Actigraphy application area.
Figure 2
Figure 2
Model development process.
See this image and copyright information in PMC

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