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Chapter 3 - What Is Insomnia?

from Section 1 - Sleep, Its Function, and Insomnia

Published online by Cambridge University Press:  20 December 2024

Colin A. Espie
Affiliation:
University of Oxford, UK
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Summary

Insomnia is common, affecting approximately 10% of the population. In addition to night-time sleep difficulties, insomnia disorder requires the presence of concomitant daytime impacts, making it a 24-hour problem. It is not surprising, therefore, that insomnia disorder is associated with significant impacts to quality of life and economic costs. Many patients with insomnia also have comorbid physical and/or mental health disorders, and sometimes also other sleep disorders. This chapter reviews the key features, prevalence, and consequences of insomnia disorder, and provides background information to aid clinicians as they begin to think about formulating treatment approaches.

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Publisher: Cambridge University Press
Print publication year: 2025

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  • What Is Insomnia?
  • Colin A. Espie, University of Oxford, UK
  • Book: The Clinician's Guide to Cognitive and Behavioural Therapeutics (CBTx) for Insomnia
  • Online publication: 20 December 2024
  • Chapter DOI: https://doi.org/10.1017/9781108989480.006
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  • What Is Insomnia?
  • Colin A. Espie, University of Oxford, UK
  • Book: The Clinician's Guide to Cognitive and Behavioural Therapeutics (CBTx) for Insomnia
  • Online publication: 20 December 2024
  • Chapter DOI: https://doi.org/10.1017/9781108989480.006
Available formats
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Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • What Is Insomnia?
  • Colin A. Espie, University of Oxford, UK
  • Book: The Clinician's Guide to Cognitive and Behavioural Therapeutics (CBTx) for Insomnia
  • Online publication: 20 December 2024
  • Chapter DOI: https://doi.org/10.1017/9781108989480.006
Available formats
×