alexa Psychophysiological Evaluations of Clinical Efficacy in
ISSN: 2167-0277

Journal of Sleep Disorders & Therapy
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Short Communication

Psychophysiological Evaluations of Clinical Efficacy in Outpatients Morita Therapy for Psychophysiological Insomnia

Wataru Yamadera* and Michiaki Morita
Department of Psychiatry, Jikei University Katsushika Medical Center, Tokyo, Japan
*Corresponding Author : Wataru Yamadera
Department of Psychiatry
Jikei University Katsushika Medical Center
Tokyo, Japan
Tel: 090-9247-7449
E-mail: watayam@
Received: October 25, 2015 Accepted: January 17, 2016 Published: January 24, 2016
Citation: Yamadera W, Morita M (2016) Psychophysiological Evaluations of Clinical Efficacy in Outpatients Morita Therapy for Psychophysiological Insomnia. J Sleep Disord Ther 5:235. doi:10.4172/2167-0277.1000235
Copyright: © 2016 Yamadera W, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Psychophysiological insomnia (PPI) is a clinical subtype of chronic insomniadisorder in International Classification of Sleep Disorders (ICSD-3) [1]. PPI is the most common insomnia in clinical setting. PPI is an objectively verifiable insomnia that develops as a consequence of two mutually factors: 1) somatization tension due to the fear for insomnia and 2) learned sleep-preventing associations. On the other hand, morbid fear of insomnia in Morita therapy develops as a consequence of the following factors: 1) psychic interaction based on hypochondriacal temperament, 2) autosuggestion which caused by psychic interaction and 3) anxiety regarding adaptation with subjective fabrication of symptom. Therefore, the disease concept of PPI in ICSD-3 and neurotic insomnia in Morita therapy is seemed to be very similar2). The reconstruction of sleep-preventing association through the education of sleep hygiene is the main therapeutic strategy for PPI. Sleep hygiene instructions consist of the following factors: 1) homeostatic drive for sleep, 2) circadian factors, 3) drug effects and 4) arousal in sleep setting. The point of Morita therapy for morbid fear for insomnia is to accept insomnia as it is and lead a constructive life with the guidance of Morita therapy. The authors supposed that the guidance of Morita therapy adding some psychopharmacological and bed room environmental findings is corresponded with the current concept of sleep hygiene [2]. The aim of this study [3] was to investigate the clinical efficacy of Morita therapy for PPI.

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