EEG Spectral Analysis in Gray Zone Between Healthy and Insomnia

This study investigates the sleep characteristics and brain activity of individuals in the gray zone of insomnia, a population that experiences sleep disturbances yet does not fully meet the clinical criteria for chronic insomnia. Thirteen healthy participants and thirteen individuals from the gray...

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Vydané v:The ... International Winter Conference on Brain-Computer Interface s. 1 - 4
Hlavní autori: Jo, Ha-Na, Kweon, Young-Seok, Lee, Seo-Hyun
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 24.02.2025
Predmet:
brain-computer interface
Brain-computer interfaces
Electric potential
electroencephalogram
Electroencephalography
Indexes
insomnia
Neural activity
Rapid eye movement sleep
Sleep
Spectral analysis
ISSN:2572-7672
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Shrnutí:This study investigates the sleep characteristics and brain activity of individuals in the gray zone of insomnia, a population that experiences sleep disturbances yet does not fully meet the clinical criteria for chronic insomnia. Thirteen healthy participants and thirteen individuals from the gray zone were assessed using polysomnography and electroencephalogram to analyze both sleep architecture and neural activity. Although no significant differences in objective sleep quality or structure were found between the groups, gray zone individuals reported higher insomnia severity index scores, indicating subjective sleep difficulties. Electroencephalogram analysis revealed increased delta and alpha activity during the wake stage, suggesting lingering sleep inertia, while non-rapid eye movement stages 1 and 2 exhibited elevated beta and gamma activity, often associated with chronic insomnia. However, these high-frequency patterns were not observed in non-rapid eye movement stage 3 or rapid eye movement sleep, suggesting less severe disruptions compared to chronic insomnia. This study emphasizes that despite normal polysomnography findings, EEG patterns in gray zone individuals suggest a potential risk for chronic insomnia, highlighting the need for early identification and tailored intervention strategies to prevent progression.
ISSN:2572-7672
DOI:10.1109/BCI65088.2025.10931591