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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 symptomatology (abnormal scores on at least two sleep measures), using established cutoff values. Analysis of covariance was used to compare objective cognitive function (Cogstate Brief Battery) and subjective cognitive concerns (Modified Cognitive Function Instrument) across groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Following adjustments for age, sex, education, mood, and vascular risk factors, persons classified as having high sleep symptomatology, versus none, displayed more subjective cognitive concerns (d = 0.24) but no differences in objective cognitive performance (d = 0.00\u20130.18). Subjective cognitive concerns modified the association between sleep symptomatology and psychomotor function. The strength of the relationship between high sleep symptomatology (versus none) and psychomotor function was significantly greater in persons with high as compared with low cognitive concerns (\u03b2 \u00b1 SE = \u22120.37 \u00b1 0.16; p = 0.02).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>More severe sleep symptomatology was associated with greater subjective cognitive concerns. Persons reporting high levels of sleep symptomatology may be more likely to display poorer objective cognitive function in the presence of subjective cognitive concerns.<\/jats:p><\/jats:sec>","DOI":"10.1093\/sleep\/zsab097","type":"journal-article","created":{"date-parts":[[2021,4,10]],"date-time":"2021-04-10T18:33:50Z","timestamp":1618079630000},"source":"Crossref","is-referenced-by-count":16,"title":["Sleep symptomatology is associated with greater subjective cognitive concerns: findings from the community-based Healthy Brain Project"],"prefix":"10.1093","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5044-0766","authenticated-orcid":false,"given":"Jessica","family":"Nicolazzo","sequence":"first","affiliation":[{"name":"The Turner Institute for Brain and Mental Health, Monash University , Clayton, Victoria , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katharine","family":"Xu","sequence":"additional","affiliation":[{"name":"Melbourne School of Psychological Sciences, University of Melbourne , Parkville, Victoria , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra","family":"Lavale","sequence":"additional","affiliation":[{"name":"The Turner Institute for Brain and Mental Health, Monash University , Clayton, Victoria , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5356-5537","authenticated-orcid":false,"given":"Rachel","family":"Buckley","sequence":"additional","affiliation":[{"name":"Melbourne School of Psychological Sciences, University of Melbourne , Parkville, Victoria , Australia"},{"name":"Department of Neurology, Massachusetts General Hospital and Harvard Medical School , Boston, MA , USA"},{"name":"Center for Alzheimer Research and Treatment, Department of Neurology, Brigham and Women\u2019s Hospital , Boston, MA , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nawaf","family":"Yassi","sequence":"additional","affiliation":[{"name":"Department of Medicine and Neurology, Melbourne Brain Centre at The Royal Melbourne Hospital, University of Melbourne , Parkville, Victoria , Australia"},{"name":"Population Health and Immunity Division, The Walter and Eliza Hall Institute of Medical Research , Parkville, Victoria , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Garun S","family":"Hamilton","sequence":"additional","affiliation":[{"name":"Monash Lung and Sleep, Monash Health , Melbourne, Victoria , Australia"},{"name":"School of Clinical Sciences, Monash University , Melbourne, Victoria , Australia"},{"name":"Monash Partners Epworth , Melbourne, Victoria , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Maruff","sequence":"additional","affiliation":[{"name":"Cogstate Ltd. , Melbourne, Victoria , Australia"},{"name":"The Florey Institutes of Neurosciences and Mental Health , Melbourne, Victoria , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3671-7081","authenticated-orcid":false,"given":"Andree-Ann","family":"Baril","sequence":"additional","affiliation":[{"name":"Department of Neurology, Boston University School of Medicine , Boston, MA , USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yen Ying","family":"Lim","sequence":"additional","affiliation":[{"name":"The Turner Institute for Brain and Mental Health, Monash University , Clayton, Victoria , Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew P","family":"Pase","sequence":"additional","affiliation":[{"name":"The Turner Institute for Brain and Mental Health, Monash University , Clayton, Victoria , Australia"},{"name":"Harvard T.H. 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