Sleep and Biological Rhythms

ISSN 1446-9235 · Springer Science+Business Media · Japan · active 2003–2026

Metrics

Scimago quartile
Q3
Cites per paper (2y)
1.1
SJR
0.587
h-index
50

“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 30 September 2026 (venue index build).

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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:
unknown. 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.

Official journal site →

Scope

sleepdisordersexperimentalcognitivepsychologywakefulnessneuroscienceobstructiveapneaphysiologycircadianrhythm

Frequently asked

Is Sleep and Biological Rhythms a predatory journal?

Our screening does not flag Sleep and Biological Rhythms. 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 Sleep and Biological Rhythms indexed in Scopus or Web of Science?

Per our venue index, Sleep and Biological Rhythms 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 Sleep and Biological Rhythms?

Papers in Sleep and Biological Rhythms are cited about 1.1 times each within two years of publication, and Scimago places it in Q3, with an h-index of 50. 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 Sleep and Biological Rhythms (Q1, Q2, Q3, or Q4)?

Scimago places Sleep and Biological Rhythms in Q3 for its subject category. Quartiles split the journals in a field into four equal groups by SJR, so Q1 is the most-cited quarter and Q4 the least; Sleep and Biological Rhythms is cited about 1.1 times per paper over two years, with an h-index of 50. A journal is ranked per subject category, so one spanning several fields can sit in different quartiles depending on the category.

What is the Web of Science (JCR) quartile of Sleep and Biological Rhythms?

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 Sleep and Biological Rhythms. The open equivalent is its Scimago quartile, Q3, 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 Sleep and Biological Rhythms open access?

We hold no reliable open-access classification for Sleep and Biological Rhythms. Check the journal's own site for its access model and any article processing charge.

How long does Sleep and Biological Rhythms take to publish a paper?

Submission to first decision for Sleep and Biological Rhythms 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 Sleep and Biological Rhythms.

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