作者
Daniel J Buysse, Anne Germain, Martica L Hall, Douglas E Moul, Eric A Nofzinger, Amy Begley, Cindy L Ehlers, Wesley Thompson, David J Kupfer
发表日期
2008/12/1
期刊
Sleep
卷号
31
期号
12
页码范围
1673-1682
出版商
Oxford University Press
简介
Study Objectives
To compare NREM EEG power in primary insomnia (PI) and good sleeper controls (GSC), examining both sex and NREM period effects; to examine relationships between EEG power, clinical characteristics, and self-reports of sleep.
Design
Overnight polysomnographic study.
Setting
Sleep laboratory.
Participants
PI (n = 48; 29 women) and GSC (n = 25; 15 women).
Interventions
None.
Measurements
EEG power from 1–50 Hz was computed for artifactfree sleep epochs across four NREM periods. Repeated measures mixed effect models contrasted differences between groups, EEG frequency bands, and NREM periods. EEG power-frequency curves were modeled using regressions with fixed knot splines.
Results
Mixed models showed no significant …
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