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Background <p>Obstructive sleep apnoea (OSA) impacts sleep quality and has considerable night-to-night variability. This study explored the use of low-density electroencephalography (EEG) headbands to evaluate changes in sleep architecture and sleep features in the patients’ own homes over multiple nights both Pre and-Post treatment with continuous positive airway pressure (CPAP).</p> Methods <p>Seven participants recorded 144 high-quality EEG sessions, consisting of 84 sessions Pre-CPAP treatment and 60 sessions Post-CPAP. Sleep stages (N1, N2, N3, REM), sleep stage shifts, micro-arousals, and awakenings were analysed.</p> Results <p>Significant changes were observed between Pre and Post-CPAP conditions, including reductions in N1 and N2 sleep, increases in N3 and REM sleep, and fewer sleep stage shifts, micro-arousals, and awakenings. Total sleep time remained unchanged. Strength testing revealed that one participant with the most severe OSA and the highest number of EEG recordings significantly influenced the results. However, improvements in REM sleep, sleep stage shifts, and micro-arousals remained even when this participant was excluded.</p> Conclusions <p>Low-density EEG devices can be used for multi-night monitoring of sleep architecture and features, potentially advancing OSA research and personalised care.</p>

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Multi-night home testing with portable EEG shows improvement in sleep quality after starting CPAP for obstructive sleep apnoea

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月25日

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  • Kieran O. Lee,
  • Tristan A. Bekinschtein,
  • Ian E. Smith

摘要

Background

Obstructive sleep apnoea (OSA) impacts sleep quality and has considerable night-to-night variability. This study explored the use of low-density electroencephalography (EEG) headbands to evaluate changes in sleep architecture and sleep features in the patients’ own homes over multiple nights both Pre and-Post treatment with continuous positive airway pressure (CPAP).

Methods

Seven participants recorded 144 high-quality EEG sessions, consisting of 84 sessions Pre-CPAP treatment and 60 sessions Post-CPAP. Sleep stages (N1, N2, N3, REM), sleep stage shifts, micro-arousals, and awakenings were analysed.

Results

Significant changes were observed between Pre and Post-CPAP conditions, including reductions in N1 and N2 sleep, increases in N3 and REM sleep, and fewer sleep stage shifts, micro-arousals, and awakenings. Total sleep time remained unchanged. Strength testing revealed that one participant with the most severe OSA and the highest number of EEG recordings significantly influenced the results. However, improvements in REM sleep, sleep stage shifts, and micro-arousals remained even when this participant was excluded.

Conclusions

Low-density EEG devices can be used for multi-night monitoring of sleep architecture and features, potentially advancing OSA research and personalised care.