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Associations between disturbed sleep and attenuated psychotic experiences in people at clinical high risk for psychosis.

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Title: Associations between disturbed sleep and attenuated psychotic experiences in people at clinical high risk for psychosis.
Authors: Formica, M. J. C. (AUTHOR), Fuller-Tyszkiewicz, M. (AUTHOR), Reininghaus, U. (AUTHOR), Kempton, M. (AUTHOR), Delespaul, P. (AUTHOR), de Haan, L. (AUTHOR), Nelson, B. (AUTHOR), Mikocka-Walus, A. (AUTHOR), Olive, L. (AUTHOR), Ruhrmann, S. (AUTHOR), Rutten, B. (AUTHOR), Riecher-Rössler, A. (AUTHOR), Sachs, G. (AUTHOR), Valmaggia, L. (AUTHOR), van der Gaag, M. (AUTHOR), McGuire, P. (AUTHOR), van Os, J. (AUTHOR), Hartmann, J. A. (AUTHOR)
Source: Psychological Medicine. Jul2024, Vol. 54 Issue 9, p2254-2263. 10p.
Subjects: Self-evaluation, Risk assessment, Mental health, Prediction models, Research funding, Questionnaires, Multiple regression analysis, Interviewing, Descriptive statistics, Perceptual disorders, Sleep deprivation, Cognition disorders, Research methodology, Psychoses, Comparative studies, Data analysis software, Sleep quality, Sleep disorders, Disease complications
Abstract: Background: Pre-diagnostic stages of psychotic illnesses, including 'clinical high risk' (CHR), are marked by sleep disturbances. These sleep disturbances appear to represent a key aspect in the etiology and maintenance of psychotic disorders. We aimed to examine the relationship between self-reported sleep dysfunction and attenuated psychotic symptoms (APS) on a day-to-day basis. Methods: Seventy-six CHR young people completed the Experience Sampling Methodology (ESM) component of the European Union Gene-Environment Interaction Study, collected through PsyMate® devices, prompting sleep and symptom questionnaires 10 times daily for 6 days. Bayesian multilevel mixed linear regression analyses were performed on time-variant ESM data using the brms package in R. We investigated the day-to-day associations between sleep and psychotic experiences bidirectionally on an item level. Sleep items included sleep onset latency, fragmentation, and quality. Psychosis items assessed a range of perceptual, cognitive, and bizarre thought content common in the CHR population. Results: Two of the seven psychosis variables were unidirectionally predicted by previous night's number of awakenings: every unit increase in number of nightly awakenings predicted a 0.27 and 0.28 unit increase in feeling unreal or paranoid the next day, respectively. No other sleep variables credibly predicted next-day psychotic symptoms or vice-versa. Conclusion: In this study, the relationship between sleep disturbance and APS appears specific to the item in question. However, some APS, including perceptual disturbances, had low levels of endorsement amongst this sample. Nonetheless, these results provide evidence for a unidirectional relationship between sleep and some APS in this population. [ABSTRACT FROM AUTHOR]
Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Associations between disturbed sleep and attenuated psychotic experiences in people at clinical high risk for psychosis.
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  Data: <searchLink fieldCode="AR" term="%22Formica%2C+M%2E+J%2E+C%2E%22">Formica, M. J. C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fuller-Tyszkiewicz%2C+M%2E%22">Fuller-Tyszkiewicz, M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Reininghaus%2C+U%2E%22">Reininghaus, U.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kempton%2C+M%2E%22">Kempton, M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Delespaul%2C+P%2E%22">Delespaul, P.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22de+Haan%2C+L%2E%22">de Haan, L.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nelson%2C+B%2E%22">Nelson, B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mikocka-Walus%2C+A%2E%22">Mikocka-Walus, A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Olive%2C+L%2E%22">Olive, L.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ruhrmann%2C+S%2E%22">Ruhrmann, S.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rutten%2C+B%2E%22">Rutten, B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Riecher-Rössler%2C+A%2E%22">Riecher-Rössler, A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sachs%2C+G%2E%22">Sachs, G.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Valmaggia%2C+L%2E%22">Valmaggia, L.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22van+der+Gaag%2C+M%2E%22">van der Gaag, M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22McGuire%2C+P%2E%22">McGuire, P.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22van+Os%2C+J%2E%22">van Os, J.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hartmann%2C+J%2E+A%2E%22">Hartmann, J. A.</searchLink> (AUTHOR)
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  Data: Background: Pre-diagnostic stages of psychotic illnesses, including 'clinical high risk' (CHR), are marked by sleep disturbances. These sleep disturbances appear to represent a key aspect in the etiology and maintenance of psychotic disorders. We aimed to examine the relationship between self-reported sleep dysfunction and attenuated psychotic symptoms (APS) on a day-to-day basis. Methods: Seventy-six CHR young people completed the Experience Sampling Methodology (ESM) component of the European Union Gene-Environment Interaction Study, collected through PsyMate® devices, prompting sleep and symptom questionnaires 10 times daily for 6 days. Bayesian multilevel mixed linear regression analyses were performed on time-variant ESM data using the brms package in R. We investigated the day-to-day associations between sleep and psychotic experiences bidirectionally on an item level. Sleep items included sleep onset latency, fragmentation, and quality. Psychosis items assessed a range of perceptual, cognitive, and bizarre thought content common in the CHR population. Results: Two of the seven psychosis variables were unidirectionally predicted by previous night's number of awakenings: every unit increase in number of nightly awakenings predicted a 0.27 and 0.28 unit increase in feeling unreal or paranoid the next day, respectively. No other sleep variables credibly predicted next-day psychotic symptoms or vice-versa. Conclusion: In this study, the relationship between sleep disturbance and APS appears specific to the item in question. However, some APS, including perceptual disturbances, had low levels of endorsement amongst this sample. Nonetheless, these results provide evidence for a unidirectional relationship between sleep and some APS in this population. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1017/S0033291724000400
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        Text: English
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