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Prospective Memory, Sleep, and Age.

Miranda Occhionero1, Lorenzo Tonetti1, Marco Fabbri2

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Sleep does not significantly predict prospective memory (PM) performance across the lifespan. Age is a key factor, with performance declining in older adults, particularly for remembering to get out of bed.

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Area of Science:

  • Cognitive Neuroscience
  • Sleep Science
  • Human Lifespan Development

Background:

  • Prospective memory (PM) is crucial for daily functioning.
  • Sleep is known to influence cognitive functions, including PM.
  • The moderating role of age on the sleep-PM relationship is not well understood.

Purpose of the Study:

  • To investigate the relationship between sleep parameters and prospective memory performance.
  • To examine whether age moderates the effect of sleep on prospective memory.
  • To assess activity-based PM in a large, lifespan sample.

Main Methods:

  • Retrospective study with 397 healthy participants (age 9-70).
  • Naturalistic activity-based PM task using actigraphy.
  • Moderation analysis with age, sleep efficiency, sleep midpoint, and total sleep time.

Main Results:

  • Sleep efficiency interacted with age for remembering to go to bed, with lower performance in younger individuals with higher sleep efficiency.
  • Age was a significant negative predictor for remembering to get out of bed.
  • Overall, sleep parameters did not show a strong predictive role in activity-based PM performance.

Conclusions:

  • Sleep's predictive role in activity-based prospective memory is limited across the lifespan.
  • Age is a significant factor influencing prospective memory, especially for tasks related to waking up.
  • Further research is needed to understand the complex interplay between sleep, age, and prospective memory.