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A Smart Health (sHealth)-Centric Method toward Estimation of Sleep Deficiency Severity from Wearable Sensor Data Fusion

1
Electrical and Computer Engineering Department, The University of Memphis, Memphis, TN 38111, USA
2
Department of Computer Science, Texas Tech University, Lubbock, TX 79409, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Jörn Lötsch
BioMedInformatics 2021, 1(3), 106-126; https://doi.org/10.3390/biomedinformatics1030008
Received: 4 July 2021 / Revised: 22 September 2021 / Accepted: 15 October 2021 / Published: 26 October 2021
Sleep deficiency impacts the quality of life and may have serious health consequences in the long run. Questionnaire-based subjective assessment of sleep deficiency has many limitations. On the other hand, objective assessment of sleep deficiency is challenging. In this study, we propose a polysomnography-based mathematical model for computing baseline sleep deficiency severity score and then investigated the estimation of sleep deficiency severity using features available only from wearable sensor data including heart rate variability and single-channel electroencephalography for a dataset of 500 subjects. We used Monte-Carlo feature selection (MCFS) and inter-dependency discovery for selecting the best features and removing multi-collinearity. For developing the Regression model we investigated both the frequentist and the Bayesian approaches. An artificial neural network achieved the best performance of RMSE = 5.47 and an R-squared value of 0.67 for sleep deficiency severity estimation. The developed method is comparable to conventional methods of Functional Outcome of Sleep Questionnaire and Epworth Sleepiness Scale for assessing the impact of sleep apnea on sleep deficiency. Moreover, the results pave the way for reliable and interpretable sleep deficiency severity estimation using single-channel EEG. View Full-Text
Keywords: artificial neural network; bayesian regression; electroencephalography; Monte-Carlo Method; regression; sleep deficiency severity; Smart Health; wearable sensor artificial neural network; bayesian regression; electroencephalography; Monte-Carlo Method; regression; sleep deficiency severity; Smart Health; wearable sensor
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MDPI and ACS Style

Rahman, M.J.; Morshed, B.I.; Preza, C. A Smart Health (sHealth)-Centric Method toward Estimation of Sleep Deficiency Severity from Wearable Sensor Data Fusion. BioMedInformatics 2021, 1, 106-126. https://doi.org/10.3390/biomedinformatics1030008

AMA Style

Rahman MJ, Morshed BI, Preza C. A Smart Health (sHealth)-Centric Method toward Estimation of Sleep Deficiency Severity from Wearable Sensor Data Fusion. BioMedInformatics. 2021; 1(3):106-126. https://doi.org/10.3390/biomedinformatics1030008

Chicago/Turabian Style

Rahman, Md J., Bashir I. Morshed, and Chrysanthe Preza. 2021. "A Smart Health (sHealth)-Centric Method toward Estimation of Sleep Deficiency Severity from Wearable Sensor Data Fusion" BioMedInformatics 1, no. 3: 106-126. https://doi.org/10.3390/biomedinformatics1030008

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