A German version of the Insomnia Severity Index: Validation and identification of a cut-off to detect insomnia

Dieck, Arne; Morin, Charles M.; Backhaus, Jutta

doi:10.1007/s11818-017-0147-z

Cited by 72Sleep and related disordersAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesObstructive Sleep Apnea Research

A German version of the Insomnia Severity Index: Validation and identification of a cut-off to detect insomnia

Dieck, Arne, Morin, Charles M., Backhaus, Jutta·2018·Somnologie

DOI 10.1007/s11818-017-0147-z

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The Insomnia Severity Index contains seven questions, with scores of ≥8, ≥15, ≥22 considered subthreshold, moderate and severe insomnia, respectively.
“To measure sleep difficulty, we will apply the Insomnia Severity Index (ISI).34 It contains seven questions about sleep quality, sleep characteristics and life impact rated on a 7-point Likert scale. Scores of ≥8, ≥15, ≥22 are considered subthreshold, moderate and severe insomnia, respectively.”
From Evaluation of a manualised neurofeedback training in psychosomatic-psychotherapeutic outpatient treatment (Neuro-pp-out): study protocol for a clinical mixed-methods pilot study (2024) · cites this paper as [34]

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Authors: Dieck, A., Morin, C. M., & Backhaus, J.
Affiliations: University of Bonn (DE)
Université Laval (CA)
ORCID: Dieck, Arne
Morin, Charles M.
Venue: Somnologie
Publisher: Springer Science and Business Media LLC
Published: 2018-01-04
Volume: 22
Issue: 1
Pages: 27-35
ISSN: 1432-9123 (ISSN-L)
1439-054X
DOI: 10.1007/s11818-017-0147-z
OpenAlex: W2781983995
Cited by: 72
References: 34
Citations by year: 2026: 9 · 2025: 17 · 2024: 15 · 2023: 14 · 2022: 3 · 2021: 8 · 2020: 5 · 2018: 1
FWCI: 4.58
Type: journal article
Language: en
Open access: closed
Licence: www.springer.com/tdm (unspecified)
Locations: Somnologie - Schlafforschung und Schlafmedizin (publishedVersion)
Topics: Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Health Sciences › Medicine › Physiology › Obstructive Sleep Apnea Research
Keywords: Insomnia Severity Index, German translation, insomnia, psychometric properties, construct validity, internal consistency, test-retest reliability, cut-off values, symptom severity assessment, sleep quality, depression, stress reactivity

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A German version of the Insomnia Severity Index: Validation and identification of a cut-off to detect insomnia

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