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Peer-reviewedCC BYAlzheimer's & dementia : the journal of the Alzheimer's Association

Objective sleep characteristics and longitudinal change in financial and health literacy in older adults.

  • Lianlian Du1,2
  • Lei Yu1,2
  • Tianhao Wang1,2
  • Aron S Buchman1,2
  • Andrew S P Lim3
  • David A Bennett1,2
  • Patricia A Boyle1,4
4 affiliations
  1. 1Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA.
  2. 2Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA.
  3. 3Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada.
  4. 4Department of Psychiatry and Behavioral Sciences, Rush University Medical Center, Chicago, Illinois, USA.
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Abstract

Introduction

Sleep disturbances are common in older adults and linked to cognitive decline, but their association with functional abilities such as financial and health literacy is less understood.Methods

Participants without dementia from the Rush Memory and Aging Project (N = 765) completed annual literacy assessments. Baseline sleep measures included self-reported nighttime sleep duration, actigraphy-derived nighttime sleep duration, and actigraphy-derived daytime napping. Linear mixed-effects models examined associations with literacy change.Results

Literacy declined by ≈ 1 percentage point per year. Longer nighttime sleep was associated with higher baseline literacy and with slower decline in single-predictor models, but the decline association was attenuated and no longer statistically significant after adjustment for daytime napping. Greater daytime napping was associated with slower decline but not baseline literacy. Self-reported sleep was not associated with literacy trajectories, although short sleep (< 6 hours) was linked to lower baseline literacy.Discussion

Objective sleep characteristics were associated with financial and health literacy trajectories in older adults, suggesting that sleep behavior may be related to changes in financial and health decision-making abilities.

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Cite

BibTeXRIS
BibTeX
@article{du2026objective,
  title = {{Objective sleep characteristics and longitudinal change in financial and health literacy in older adults.}},
  author = {Lianlian Du and Lei Yu and Tianhao Wang and Aron S Buchman and Andrew S P Lim and David A Bennett and Patricia A Boyle},
  journal = {Alzheimer's \& dementia : the journal of the Alzheimer's Association},
  year = {2026},
  month = oct,
  doi = {10.1002/alz.71948},
  url = {https://europepmc.org/article/MED/42967585},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Objective sleep characteristics and longitudinal change in financial and health literacy in older adults.
AU  - Lianlian Du
AU  - Lei Yu
AU  - Tianhao Wang
AU  - Aron S Buchman
AU  - Andrew S P Lim
AU  - David A Bennett
AU  - Patricia A Boyle
PY  - 2026
DA  - 2026/10/01
JO  - Alzheimer's & dementia : the journal of the Alzheimer's Association
DO  - 10.1002/alz.71948
UR  - https://europepmc.org/article/MED/42967585
AB  - Introduction  Sleep disturbances are common in older adults and linked to cognitive decline, but their association with functional abilities such as financial and health literacy is less understood.Methods  Participants without dementia from the Rush Memory and Aging Project (N = 765) completed annual literacy assessments. Baseline sleep measures included self-reported nighttime sleep duration, actigraphy-derived nighttime sleep duration, and actigraphy-derived daytime napping. Linear mixed-effects models examined associations with literacy change.Results  Literacy declined by ≈ 1 percentage point per year. Longer nighttime sleep was associated with higher baseline literacy and with slower decline in single-predictor models, but the decline association was attenuated and no longer statistically significant after adjustment for daytime napping. Greater daytime napping was associated with slower decline but not baseline literacy. Self-reported sleep was not associated with literacy trajectories, although short sleep (< 6 hours) was linked to lower baseline literacy.Discussion  Objective sleep characteristics were associated with financial and health literacy trajectories in older adults, suggesting that sleep behavior may be related to changes in financial and health decision-making abilities.
SN  - 1552-5260
SN  - 1552-5279
ER  -