PhyMask: Robust Sensing of Brain Activity and Physiological Signals During Sleep with an All-textile Eye Mask
Soha Rostaminia, S. Zohreh Homayounfar, Ali Kiaghadi, Trisha L., Andrew, Deepak Ganesan

TL;DR
PhyMask is a comfortable all-textile sleep monitoring device that accurately tracks sleep stages and markers, outperforming commercial wearables by using textile sensors on the head.
Contribution
It introduces a novel textile-based sleep monitoring system that is practical, comfortable, and capable of measuring multiple sleep signals simultaneously.
Findings
Accurately measures sleep stages and markers in real-world settings.
Outperforms Fitbit and Oura Ring in sleep tracking accuracy.
Uses textile sensors for comfortable, continuous monitoring.
Abstract
Clinical-grade wearable sleep monitoring is a challenging problem since it requires concurrently monitoring brain activity, eye movement, muscle activity, cardio-respiratory features and gross body movements. This requires multiple sensors to be worn at different locations as well as uncomfortable adhesives and discrete electronic components to be placed on the head. As a result, existing wearables either compromise comfort or compromise accuracy in tracking sleep variables. We propose PhyMask, an all-textile sleep monitoring solution that is practical and comfortable for continuous use and that acquires all signals of interest to sleep solely using comfortable textile sensors placed on the head. We show that PhyMask can be used to accurately measure sleep stages and advanced sleep markers such as spindles and k-complexes robustly in the real-world setting. We validate PhyMask against…
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Taxonomy
TopicsSleep and Wakefulness Research · EEG and Brain-Computer Interfaces · Gaze Tracking and Assistive Technology
