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Experimental sleep phases monitoring

  • Nowadays there is a rich diversity of sleep monitoring systems available on the market. They promise to offer information about sleep quality of the user by recording a limited number of vital signals, mainly heart rate and body movement. Typically, fitness trackers, smart watches, smart shirts, smartphone applications or patches do not provide access to the raw sensor data. Moreover, the sleep classification algorithm and the agreement ratio with the gold standard, polysomnography (PSG) are not disclosed. Some commercial systems record and store the data on the wearable device, but the user needs to transfer and import it into specialised software applications or return it to the doctor, for clinical evaluation of the data set. Thus an immediate feedback mechanism or the possibility of remote control and supervision are lacking. Furthermore, many such systems only distinguish between sleep and wake states, or between wake, light sleep and deep sleep. It is not always clear how these stages are mapped to the four known sleep stages: REM, NREM1, NREM2, NREM3-4. [1] The goal of this research is to find a reduced complexity method to process a minimum number of bio vital signals, while providing accurate sleep classification results. The model we propose offers remote control and real time supervision capabilities, by using Internet of Things (IoT) technology. This paper focuses on the data processing method and the sleep classification logic. The body sensor network representing our data acquisition system will be described in a separate publication. Our solution showed promising results and a good potential to overcome the limitations of existing products. Further improvements will be made and subjects with different age and health conditions will be tested.

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Metadaten
Author:Oana Ramona Velicu, Natividad Martínez MadridORCiD, Ralf SeepoldORCiDGND
URL:https://ieeexplore.ieee.org/document/7455976
ISBN:978-1-5090-2455-1
Parent Title (English):IEEE EMBS international conference on biomedical and health informatics (BHI)
Document Type:Conference Proceeding
Language:English
Year of Publication:2016
Release Date:2018/11/19
Tag:Body sensor networks; Data acquisition; Electrocardiography; Electroencephalography; Sleep
First Page:625
Last Page:628
Note:
Volltextzugriff für Angehörige der Hochschule Konstanz via Datenbank IEEE Xplore möglich.
Open Access?:Nein