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Purpose <p>To evaluate sleep duration and respiratory events in comparison with CPAP use time and residual events.</p> Methods <p>We evaluated 75 OSA patients using a non-intrusive under-mattress sensor (WITHINGS Sleep Analyzer, WSA) alongside CPAP Resmed Airsense device over 480 nights, with a subset of 14 patients undergoing simultaneous home polysomnography (PSG). We compared total sleep time (TST) with CPAP use time and residual apnea-hypopnea index (AHI) across devices.</p> Results <p>The WSA recorded longer TST than CPAP use time (437.4 vs. 395.6&#xa0;min, <i>p</i> &lt; 0.005) and higher AHI than CPAP residual AHI (11.3 vs. 2.0 events/h, <i>p</i> &lt; 0.001). In the PSG subset, WSA AHI closely approximated PSG AHI and exceeded CPAP residual AHI.</p> Conclusions <p>The WSA provides a more comprehensive home monitoring of sleep and respiratory events during CPAP therapy, potentially improving treatment assessment and patient engagement, especially in early treatment phases.</p>

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Comparison of under-mattress sensor and CPAP data for home monitoring in obstructive sleep apnea

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月22日

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  • R-Y Yang,
  • T. Seailles,
  • N. Aisenberg,
  • O. Felix,
  • A. Sabil,
  • P. Escourrou

摘要

Purpose

To evaluate sleep duration and respiratory events in comparison with CPAP use time and residual events.

Methods

We evaluated 75 OSA patients using a non-intrusive under-mattress sensor (WITHINGS Sleep Analyzer, WSA) alongside CPAP Resmed Airsense device over 480 nights, with a subset of 14 patients undergoing simultaneous home polysomnography (PSG). We compared total sleep time (TST) with CPAP use time and residual apnea-hypopnea index (AHI) across devices.

Results

The WSA recorded longer TST than CPAP use time (437.4 vs. 395.6 min, p < 0.005) and higher AHI than CPAP residual AHI (11.3 vs. 2.0 events/h, p < 0.001). In the PSG subset, WSA AHI closely approximated PSG AHI and exceeded CPAP residual AHI.

Conclusions

The WSA provides a more comprehensive home monitoring of sleep and respiratory events during CPAP therapy, potentially improving treatment assessment and patient engagement, especially in early treatment phases.