Identification of Nocturnal Movements During Sleep using the Non-Contact Under Mattress Bed Sensor
Walsh, Lorcan and Moloney, Eddie and McLoone, Sean (2011) Identification of Nocturnal Movements During Sleep using the Non-Contact Under Mattress Bed Sensor. In: 33rd Annual International Conference of the IEEE EMBS, August 30 - September 3, 2011, Boston, Massachusetts USA.
This paper describes the calculation of statistical, spatial and spatiotemporal features from a novel non-contact technology for sleep monitoring, the Under Mattress Bed Sensor (UMBS). Data was collected from two relatively healthy adults with a possible sleep disorder in a clinical setting. Methods for the extraction of statistical data describing overall bed restlessness, a spatial description of movement (centre and spread of pressure) and a spatiotemporal description of each in-bed body movement over the entire sleeping episode are discussed using the pressure sensing grid. These provide a quantitative description of sleep and restlessness throughout the night.
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