Somnologie - Schlafforschung und Schlafmedizin
ISSN 1432-9123 · Springer Science+Business Media · Germany · active 1997–2026
Metrics
- Scimago quartile (2025)
- Q4
- Cites per paper (2y)
- 0.9
- SJR
- 0.225
- h-index
- 36
“Cites per paper” is a two-year cited-by rate computed from OpenAlex. It is not a Clarivate Journal Impact Factor — we neither compute nor license that metric (how the two differ). Citation rates differ enormously between fields, so compare within a discipline. What the other figures mean: journal quartile, SJR, h-index and article processing charge.
Data as of 8 November 2026 (venue index build).
Scimago Journal Rank 2025
In the Scimago Journal Rank 2025 edition, Somnologie - Schlafforschung und Schlafmedizin is Q4 in Physiology (medical) (#94 of 117 journals).
| Subject category | Quartile | Rank in category |
|---|---|---|
| Physiology (medical) | Q4 | #94 of 117 |
- Cites per document (2 years, Scopus)
- 0.54
- Documents indexed in 2025 (Scopus)
- 48
OpenAlex counts about 0.9 citations per paper over two years; Scopus, through Scimago, counts 0.54 per document. The two databases index different journals, documents and citations, so the figures differ. Neither is a Clarivate Journal Impact Factor.
The quartile is the one Scimago prints for each category. Rank is the journal's position by SJR among the journals Scimago lists in that category (#1 is the highest); “—” means we hold no rank consistent with that quartile. The document count is what Scopus indexed that year, which can be lower than a journal's full output. Source: SCImago Journal Rank 2025 edition, from Scopus data (scimagojr.com, CC BY-NC).
Somnologie - Schlafforschung und Schlafmedizin is Q4 in Physiology (medical) (2025 edition, #94 of 117 journals), with SJR 0.225 (Scimago) and an h-index of 36 (OpenAlex). Listed in Scopus, Web of Science, PubMed.
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Responding time
- Submission to first decision
- 27 days (median)Publisher-reported
Turnaround figures are indicative, not a guarantee: DOAJ values are self-reported by the journal (average weeks, submission to publication); library estimates are medians of the received/accepted dates printed in papers we hold. Editorial times vary by article type and season — confirm on the journal’s own site.
Indexing & access
- Indexed in
- ScopusWeb of SciencePubMed
- Access status:
- hybrid. Where this comes from publisher-level signals rather than works-level data it is a heuristic — confirm on the journal’s own site, especially regarding any article processing charge.
Scope
Frequently asked
Is Somnologie - Schlafforschung und Schlafmedizin a predatory journal?
Our screening does not flag Somnologie - Schlafforschung und Schlafmedizin. That is not a guarantee of quality — it means the venue is not on Beall's archive (frozen since 2017) and does not match our name-pattern heuristic. It is listed in Scopus, Web of Science, PubMed, which is a positive signal.
Is Somnologie - Schlafforschung und Schlafmedizin indexed in Scopus or Web of Science?
Per our venue index, Somnologie - Schlafforschung und Schlafmedizin appears in: Scopus, Web of Science, PubMed. Index membership changes over time — confirm on the index's own site before relying on it.
What is the impact factor of Somnologie - Schlafforschung und Schlafmedizin?
Papers in Somnologie - Schlafforschung und Schlafmedizin are cited about 0.9 times each within two years of publication, and Scimago places it in Q4, with an h-index of 36. Those are the open equivalents: the Clarivate Journal Impact Factor is a proprietary metric we neither compute nor license, so we show the two-year citation rate and Scimago quartile instead — they answer the same question of how heavily the journal is cited. A citation rate is a property of a field as much as of a journal.
What Scimago quartile is Somnologie - Schlafforschung und Schlafmedizin (Q1, Q2, Q3, or Q4)?
In the Scimago Journal Rank 2025 edition, Somnologie - Schlafforschung und Schlafmedizin is Q4 in Physiology (medical) (#94 of 117 journals). Quartiles split the journals in a subject category into four equal groups by SJR, so Q1 is the most-cited quarter and Q4 the least; Somnologie - Schlafforschung und Schlafmedizin is cited about 0.9 times per paper over two years, with an h-index of 36.
What is the Web of Science (JCR) quartile of Somnologie - Schlafforschung und Schlafmedizin?
The Web of Science quartile comes from Clarivate's Journal Citation Reports (JCR), a proprietary product we neither license nor compute — so we cannot state a JCR quartile for Somnologie - Schlafforschung und Schlafmedizin. The open equivalent is its Scimago quartile, Q4, derived from Scopus citation data. Because JCR ranks against Web of Science and Scimago against Scopus, the two can differ, so check Clarivate's site directly if you need the JCR quartile specifically.
Is Somnologie - Schlafforschung und Schlafmedizin open access?
Our index records its access status as "hybrid". Where this is derived from publisher-level signals rather than works-level data it is a heuristic, so confirm on the journal's own site — particularly if an article processing charge matters to you.
How long does Somnologie - Schlafforschung und Schlafmedizin take to publish a paper?
Submission to first decision for Somnologie - Schlafforschung und Schlafmedizin takes about 27 days (median) — Publisher-reported. Treat it as indicative rather than a guarantee: editorial times vary by article type, reviewer availability and season, and a self-reported figure is the journal's own. We do not hold a peer-review acceptance rate for Somnologie - Schlafforschung und Schlafmedizin.
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Compare it with its peers: Ranked Physiology journals — ranked by Scimago quartile and cites per paper, predatory venues excluded.