Spectral analysis of the sleep onset period in primary insomnia

Highlights • This study shows that the patients with primary sleep onset insomnia (SOI) and sleep maintenance insomnia (SMI) present different spectral characteristics during sleep onset period. • The lower level of beta (18–29.75 Hz) frequency band found in SOI in comparison with SMI suggests that...

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Published inClinical neurophysiology Vol. 125; no. 5; pp. 979 - 987
Main Authors Cervena, Katerina, Espa, Fabrice, Perogamvros, Lampros, Perrig, Stephen, Merica, Helli, Ibanez, Vicente
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier Ireland Ltd 01.05.2014
Subjects
Adult
Analysis of Variance
EEG power spectra analysis
Electroencephalography
Female
Humans
Insomnia
Male
Neurology
Polysomnography
Sleep - physiology
Sleep Initiation and Maintenance Disorders - diagnosis
Sleep Initiation and Maintenance Disorders - physiopathology
Sleep onset period
Wavelet Analysis
Insomnia
EEG power spectra analysis
Sleep onset period
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Summary:Highlights • This study shows that the patients with primary sleep onset insomnia (SOI) and sleep maintenance insomnia (SMI) present different spectral characteristics during sleep onset period. • The lower level of beta (18–29.75 Hz) frequency band found in SOI in comparison with SMI suggests that the hyperarousal is not involved in the etiology of primary sleep onset insomnia. • The results of the current study seem to corroborate a “wake-sleep switch problem” as a basic mechanism of SOI.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2013.10.010