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May 10, 2026SLEEP

0004 Associations of Accelerometer-Derived Circadian Sleep-Wake Abnormalities with Brain Health and Biomarker Pathways

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Authors

JLJingsong LuoRLRuiyi LiuJLJiayi Liu

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Overview

Randomized trial analyzes circadian anomalies and their impact on brain health, suggesting early disease indicators.

Key Points

  • To investigate how circadian sleep-wake abnormalities relate to brain health and biomarkers in older adults.
  • Analyzed accelerometer data from 95,552 participants in the UK Biobank
  • Derived circadian rhythm metrics using an extended cosine model
  • Implemented Cox proportional hazards models to assess associations between circadian metrics and disease incidence.
  • 5,185 participants developed a brain health-related disease over 11 years
  • Increased circadian amplitude linked to decreased risk of neurodegenerative diseases (HR, 0.71; 95% CI, 0.67–0.76)
  • Circadian disruption indicated a higher risk of psychiatric disorders, particularly depression (HR, 1.60; 95% CI, 1.40–1.83).

Cite This Study

Luo et al. (2026) studied this question.

synapsesocial.com/papers/6a002222c8f74e3340f9d1e9https://doi.org/10.1093/sleep/zsag091.0004
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