Journal article
Sleep symptomatology is associated with greater subjective cognitive concerns: Findings from the community-based Healthy Brain Project
J Nicolazzo, K Xu, A Lavale, R Buckley, N Yassi, GS Hamilton, P Maruff, AA Baril, YY Lim, MP Pase
Sleep | OXFORD UNIV PRESS INC | Published : 2021
Abstract
Study Objectives: To examine if sleep symptomatology was associated with subjective cognitive concerns or objective cognitive performance in a dementia-free community-based sample. Methods: A total of 1,421 middle-aged participants (mean ± standard deviation = 57 ± 7; 77% female) from the Healthy Brain Project completed the Pittsburgh Sleep Quality Index, Insomnia Severity Index, and Epworth Sleepiness Scale to measure sleep quality, insomnia symptom severity, and daytime sleepiness, respectively. Participants were classified as having no sleep symptomatology (normal scores on each sleep measure), moderate sleep symptomatology (abnormal scores on one sleep measure), or high sleep symptomatol..
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Awarded by National Institute on Aging
Funding Acknowledgements
The Healthy Brain Project (healthybrainproject.org.au) is funded by the National Health and Medical Research Council (GNT1158384, GNT1147465, GNT1111603, GNT1105576, GNT1104273, GNT1158384, GNT1171816), the Alzheimer's Association (AARG-17-591424, AARG-18-591358, AARG-19643133), the Dementia Australia Research Foundation, the Bethlehem Griffiths Research Foundation, the Yulgilbar Alzheimer's Research Program, the National Heart Foundation of Australia (102052), and the Charleston Conference for Alzheimer's Disease (New Vision Research). MP Pase is supported by a Heart Foundation Future Leader Fellowship (GNT102052) with a sleep research program funded by the National Institutes of Health (NIH)-NIA (R01AG062531). YY Lim is supported by an NHMRC Career Development Fellowship (GNT1162645). RF Buckley is supported by a NIH-NIA K99-R00 award (K99AG061238).