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May 10, 2026SLEEP

0712 Asymptomatic Objective Sleepiness is Associated with Deficits in Neuropsychological Performance: A General Population Study

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Authors

NANikolaos AthanasiouSPSlobodanka PejovicJFJulio Fernandez-Mendoza

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Overview

Randomized trial uncovers how asymptomatic objective sleepiness affects neuropsychological performance, indicating potential areas for intervention.

Key Points

  • This study aims to explore the relationship between asymptomatic objective sleepiness and neuropsychological performance in individuals without excessive daytime sleepiness.
  • Analyzed a random sample of 1428 adults from the Penn State Cohort using 8-hour polysomnography.
  • Classified participants into three groups based on sleep latency: objective sleepiness (SL ≤ 7 min), control (7 < SL < 30 min), and sleep disturbance (SL ≥ 30 min).
  • Evaluated neuropsychological performance across various domains while controlling for confounding factors.
  • The objectively sleepy group performed significantly worse on visual memory tests, including increased errors (p<0.001) and distortions (p<0.001).
  • The sleep disturbed group showed deficits in executive attention (p<0.006) and more omission errors in visual memory (p<0.001).
  • No significant differences were found in processing speed or verbal fluency across the groups.

Cite This Study

Athanasiou et al. (2026) studied this question.

synapsesocial.com/papers/6a0021e6c8f74e3340f9ce0fhttps://doi.org/10.1093/sleep/zsag091.0711
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