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Effects of age on the relationship between sleep quality and cognitive performance: Findings from the Human Connectome Project-Aging cohort

Published online by Cambridge University Press:  04 December 2023

Daniel E. Cohen
Affiliation:
Division of Geriatric Psychiatry, New York State Psychiatric Institute, New York, NY, USA
Hyun Kim*
Affiliation:
Division of Geriatric Psychiatry, New York State Psychiatric Institute, New York, NY, USA Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA
Alina Levine
Affiliation:
Division of Mental Health Data Science, New York State Psychiatric Institute, New York, NY, USA
Davangere P. Devanand
Affiliation:
Division of Geriatric Psychiatry, New York State Psychiatric Institute, New York, NY, USA Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA Department of Neurology, Columbia University Irving Medical Center, New York, NY, USA
Seonjoo Lee
Affiliation:
Division of Mental Health Data Science, New York State Psychiatric Institute, New York, NY, USA Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
Terry E. Goldberg
Affiliation:
Division of Geriatric Psychiatry, New York State Psychiatric Institute, New York, NY, USA Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA Department of Anesthesiology, Columbia University Irving Medical Center, New York, NY, USA
*
Correspondence should be addressed to: Hyun Kim, Division of Geriatric Psychiatry, New York State Psychiatric Institute, New York, NY, USA. Email: monhykim@bu.edu.
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Abstract

Background:

The association between sleep quality and cognition is widely established, but the role of aging in this relationship is largely unknown.

Objective:

To examine how age impacts the sleep–cognition relationship and determine whether there are sensitive ranges when the relationship between sleep and cognition is modified. This investigation could help identify individuals at risk for sleep-related cognitive impairment.

Subjects:

Sample included 711 individuals (ages 36.00–89.83, 59.66 ± 14.91, 55.7 % female) from the Human Connectome Project-Aging (HCP-A).

Methods:

The association between sleep quality (Pittsburgh Sleep Quality Index, PSQI) and cognition (Crystallized Cognition Composite and Fluid Cognition Composite from the NIH Toolbox, the Trail Making Test, TMT, and the Rey Auditory Verbal Learning Test, RAVLT) was measured using linear regression models, with sex, race, use of sleep medication, hypertension, and years of education as covariates. The interaction between sleep and age on cognition was tested using the moderation analysis, with age as both continuous linear and nonlinear (quadratic) terms.

Results:

There was a significant interaction term between the PSQI and nonlinear age term (age2) on TMT-B (p = 0.02) and NIH Toolbox crystallized cognition (p = 0.02), indicating that poor sleep quality was associated with worse performance on these measures (sensitive age ranges 50–75 years for TMT-B and 66–70 years for crystallized cognition).

Conclusions:

The sleep–cognition relationship may be modified by age. Individuals in the middle age to early older adulthood age band may be most vulnerable to sleep-related cognitive impairment.

Information

Type
Original Research Article
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Psychogeriatric Association

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