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the claim

Chronic insomnia increases the risk of later developing schizophrenia.

the verdict
INSUFFICIENT LEANING
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that chronic insomnia increases the risk of later developing schizophrenia?

Unclear. Several sources indicate that chronic insomnia raises the risk of later psychiatric disorders generally, especially depression and anxiety, and one meta-analysis reports a modest association with psychosis based on a single study. None of the retrieved items establishes that chronic insomnia specifically increases the risk of developing schizophrenia.

Verdict: PARTIAL LEAN · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
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Insomnia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Insomnia

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More for · 6
2008
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Drug treatment of chronic insomnia — dawn at the end of a long night?. (2008). doi.org. https://doi.org/10.1177/0269881108096605

2019
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Hertenstein, E., Feige, B., Gmeiner, T., Kienzler, C., Spiegelhalder, K., Johann, A., Jansson-Fröjmark, M., Palagini, L., Rücker, G., Riemann, D., & Baglioni, C. (2019). Insomnia as a predictor of mental disorders: A systematic review and meta-analysis.. doi.org. https://doi.org/10.1016/j.smrv.2018.10.006

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Schizophrenia and sleep disorders: links, risks, and management challenges - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.2147/NSS.S121076

2025
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A, H., K, K., N, D., & EC, M. (2025). Sleep and psychiatric disorders: Bidirectional interactions and shared neurobiological mechanisms.. doi.org. https://doi.org/10.1371/journal.pmen.0000531

2015
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Overcoming insomnia: a cognitive-behavioral therapy approach : therapist guide. (2015). search.ebscohost.com. https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=842832

2014
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Overcoming Insomnia: a Cognitive-Behavioral Therapy Approach, Workbook. (2014). search.ebscohost.com. https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=842833

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