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Related Experiment Videos

Time estimation in good and poor sleepers.

Catherine S Fichten1, Laura Creti, Rhonda Amsel

  • 1S.M.B.D. Jewish General Hospital, Montreal, Canada. catherine.fichten@mcgill.ca

Journal of Behavioral Medicine
|December 2, 2005
PubMed
Summary
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Older adults

Area of Science:

  • Gerontology
  • Sleep Medicine
  • Cognitive Psychology

Background:

  • Accurate time perception is crucial for daily functioning.
  • Sleep disturbances are common in older adults and may affect time estimation.
  • Previous research has not fully explored time estimation differences between good and poor sleepers in various settings.

Purpose of the Study:

  • To investigate time estimation accuracy in older good and poor sleepers.
  • To compare time perception in analogue and naturalistic sleep environments.
  • To explore the relationship between sleep problems, time estimation errors, and psychological adjustment.

Main Methods:

  • 148 older adults (good and poor sleepers) participated.
  • Time estimation was assessed using analogue tasks (empty time, audiobook) and in a naturalistic sleep setting.

Related Experiment Videos

  • Participants completed measures of sleep quality, wake time variability, and psychological adjustment.

    • Main Results:

    • Both good and poor sleepers overestimated time on analogue tasks, with no group differences.
    • Poor sleepers underestimated sleep time and overestimated wake time in the sleep setting, while good sleepers did the opposite.
    • Greater night-to-night wake time variability was reported by poor sleepers.
    • Sleep problem severity and time estimation errors were not correlated.

    Conclusions:

    • Poor sleepers' distorted time perception in the sleep setting may exacerbate their condition.
    • Self-monitoring may help poor sleepers recognize their sleep problem is less severe than perceived.
    • Interventions targeting time perception could benefit older adults with insomnia.