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Brain Function and Psychotropic Drugs$
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Heather Ashton

Print publication date: 1992

Print ISBN-13: 9780192622426

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780192622426.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 05 March 2021

Disorders of arousal and sleep systems

Disorders of arousal and sleep systems

(p.40) 3. Disorders of arousal and sleep systems
Brain Function and Psychotropic Drugs

Heather Ashton

Oxford University Press

Sleeping and waking mechanisms operate together as a homogeneous functional unit, the final output of which determines the level of arousal. Thus, disorders of one mechanism inevitably tend to affect others: anxiety is accompanied by insomnia; poor night-time sleep is associated with daytime sleepiness. However, for convenience the disorders are divided here into those which are mainly manifested in the waking state (for example anxiety syndromes) and those whose main characteristic is sleep disturbance (for example insomnia and hypersomnia).

Keywords:   sleeping mechanism, waking mechanism, sleep disorders, arousal, insomnia, daytime sleepiness, anxiety

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