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A cognitive model of insomnia.

A G Harvey1

  • 1Department of Experimental Psychology, University of Oxford, UK. allison.harvey@psy.ox.ac.uk

Behaviour Research and Therapy
|August 21, 2002
PubMed
Summary

This study introduces a new cognitive model for insomnia maintenance, suggesting excessive worry about sleep and its consequences fuels anxiety, leading to perceived deficits and impaired functioning. This cognitive cycle perpetuates insomnia despite potential lack of objective sleep loss.

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Area of Science:

  • Psychology
  • Sleep Medicine
  • Cognitive Neuroscience

Background:

  • Insomnia is a widespread psychological disorder causing significant distress and functional impairment.
  • Cognitive processes are increasingly recognized as crucial contributors to the development and maintenance of insomnia.

Purpose of the Study:

  • To present a novel cognitive model for understanding the maintenance of insomnia.
  • To integrate existing theories of anxiety disorders with cognitive research on insomnia.

Main Methods:

  • Theoretical model development integrating cognitive and anxiety disorder frameworks.
  • Review of existing literature to provide preliminary empirical support for the proposed model.
  • Discussion of clinical implications and limitations of the cognitive model.

Main Results:

  • Proposes that excessive worry about sleep and its daytime consequences drives autonomic arousal and emotional distress.
  • Suggests this anxious state leads to hypervigilance for sleep-related threat cues, exaggerating perceived sleep deficits.
  • Identifies counterproductive behaviors and erroneous beliefs as factors that exacerbate the cycle of anxiety and insomnia.

Conclusions:

  • The proposed cognitive model offers a framework for understanding how anxiety and cognitive processes maintain insomnia.
  • Excessive negative thinking and associated behaviors can create a self-perpetuating cycle, leading to actual sleep impairment.
  • The model has implications for cognitive-behavioral therapies targeting insomnia.

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