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Differentiating Nonrestorative Sleep from Nocturnal Insomnia Symptoms: Demographic, Clinical, Inflammatory, and Functional Correlates
Author(s) -
Jihui Zhang,
Femke Lamers,
Ian B. Hickie,
Jianping He,
Emily H. Feig,
Kathleen R. Merikangas
Publication year - 2013
Publication title -
sleep
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.222
H-Index - 207
eISSN - 1550-9109
pISSN - 0161-8105
DOI - 10.5665/sleep.2624
Subject(s) - insomnia , nocturnal , sleep (system call) , medicine , actigraphy , circadian rhythm , sleep disorder , polysomnography , audiology , psychology , psychiatry , electroencephalography , computer science , operating system
Recent studies have suggested that nonrestorative sleep (NRS) symptoms may be distinct from nocturnal insomnia symptoms (NIS). However, there is limited information on the demographic, medical, and biologic correlates of NRS independent from NIS in the general population. This report presents the sociodemographic correlates, patterns of comorbidity with other sleep and physical disorders, C-reactive protein (CRP) levels, and general productivity associated with NIS and NRS in a nationally representative sample of US adults.

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