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Chapter 2 - Why Does Sleep Matter?

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

Sleep is vital to our existence; it underpins a myriad of brain and bodily functions, and supports optimal functioning across a variety of different domains including cognitive functioning, emotional regulation, tissue repair and growth, and our immune system, among others. It is not surprising, therefore, that when sleep disturbance is experienced it can lead to impairments in performance and functioning. In addition, when sleep and circadian disruption are experienced regularly, such as in the context of insomnia, individuals can be at increased risk of developing a range of physical and mental health disorders including cardiovascular disease, depression, and anxiety. Such findings reinforce the need to address sleep disturbance and also highlight that it is not only sleep duration that is important but also timing and regularity of sleep–wake patterns.

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Publisher: Cambridge University Press
Print publication year: 2025

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  • Why Does Sleep Matter?
  • 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/10.1017/9781108989480.005
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  • Why Does Sleep Matter?
  • 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/10.1017/9781108989480.005
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.

  • Why Does Sleep Matter?
  • 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/10.1017/9781108989480.005
Available formats
×