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Conf Proc IEEE Eng Med Biol Soc. 2008;2008:514-7. doi: 10.1109/IEMBS.2008.4649203.

Assessment of sleep/wake patterns using a non-contact biomotion sensor.

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BiancaMed, NovaUCD, University College Dublin, Belfield, Dublin 4, Ireland.


We evaluate a contact-less continuous measuring system measuring respiration and activity patterns system for identifying sleep/wake patterns in adult humans. The system is based on the use of a novel non-contact biomotion sensor, and an automated signal analysis and classification system. The sleep/wake detection algorithm combines information from respiratory frequency, magnitude, and movement to assign 30 s epochs to either wake or sleep. Comparison to a standard polysomnogram system utilizing manual sleep stage classification indicates excellent results. It has been validated on overnight studies from 12 subjects. Wake state was correctly identified 69% and sleep with 88%. Due to its ease-of-use and good performance, the device is an excellent tool for long term monitoring of sleep patterns in the home environment in an ultraconvenient fashion.

[Indexed for MEDLINE]

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