Single-layered ultra-soft washable smart textiles for all-around ballistocardiograph, respiration, and posture monitoring during sleep

• Published in: Biosensors & bioelectronics Vol. 155; p. 112064
• Main Authors: Zhou, Zhihao, Padgett, Sean, Cai, Zhixiang, Conta, Giorgio, Wu, Yufen, He, Qiang, Zhang, Songlin, Sun, Chenchen, Liu, Jun, Fan, Endong, Meng, Keyu, Lin, Zhiwei, Uy, Cameron, Yang, Jin, Chen, Jun
• Format: Journal Article
• Language: English
• Published: England Elsevier B.V 01.05.2020
• Subjects: Ballistocardiography - methods; Biosensing Techniques; biosensors; death; fabrics; health services; Humans; mental health; monitoring; Monitoring, Physiologic - methods; OSAHS; patients; Personalized health care; Posture; Reproducibility of Results; Respiration; Sleep; sleep disorders; Sleep monitoring; Sleep Wake Disorders - diagnosis; Sleep Wake Disorders - physiopathology; Smart textiles; Textiles; Washable; Smart textiles; Sleep monitoring; Personalized health care; Washable; OSAHS
• ISSN: 0956-5663; 1873-4235; 1873-4235
• DOI: 10.1016/j.bios.2020.112064

Good sleep is considered to be the cornerstone for maintaining both physical and mental health. However, nearly one billion people worldwide suffer from various sleep disorders. To date, polysomnography (PSG) is the most commonly used sleep-monitoring technology,however, it is complex, intrusive, expensive and uncomfortable. Unfortunately, present noninvasive monitoring technologies cannot simultaneously achieve high sensitivity, multi-parameter monitoring and comfort. Here, we present a single-layered, ultra-soft, smart textile for all-around physiological parameters monitoring and healthcare during sleep. With a high-pressure sensitivity of 10.79 mV/Pa, a wide working frequency bandwidth from 0 Hz to 40 Hz, good stability, and decent washability, the single-layered ultra-soft smart textile is simultaneously capable of real-time detection and tracking of dynamic changes in sleep posture, and subtle respiration and ballistocardiograph (BCG) monitoring. Using the set of patient generated health data, an obstructive sleep apnea-hypopnea syndrome (OSAHS) monitoring and intervention system was also developed to improve the sleep quality and prevent sudden death during sleep. This work is expected to pave a new and practical pathway for physiological monitoring during sleep. •We present an ultra-soft washable smart textile for sleep monitoring and early intervention of sleep related diseases.•The smart textile shows a high sensitivity of 10.79 mV/Pa, a wide working frequency bandwidth, and washability.•The smart textile holds an integrated function of real-time sleeping posture detection and physiological signal monitoring.•The smart textile could also provide real-time warnings, swift and effective interventions to the OSAHS.