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Sleep and Biological Rhythms is Scopus-indexed (Q3, CiteScore 3.4), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by Springer.
Checked against the index lists dated .
ISSN 1446-9235Verify ISSN ↗1479-8425Verify ISSN ↗
Publisher: Springer
Cost to publish: About US$3,990 to publish open access (publisher list price, via OpenAlex) — subscription publishing may be free
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Neuropsychology and Physiological Psychology | 40 / 77 | 48th | Q3 |
| Physiology (medical) | 67 / 117 | 43rd | Q3 |
| Neurology | 117 / 201 | 42nd | Q3 |
| Physiology | 132 / 196 | 32nd | Q3 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 2003–present, best quartile Q3, CiteScore 3.4.
Sleep and Biological Rhythms is Q3 in Neuropsychology and Physiological Psychology (rank 40 of 77), Q3 in Physiology (medical) (rank 67 of 117) and Q3 in Neurology (rank 117 of 201), by CiteScore 2025. It is ranked in 4 subject areas in all.
Sleep and Biological Rhythms is indexed in the Science Citation Index Expanded, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 3.4, which places it in quartile Q3 at the 48th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.587, quartile Q3, with an H-index of 44.
The publisher lists an article processing charge of about US$3,990 for open access (source: OpenAlex). Many journals also publish by the subscription route at no cost to the author, so confirm on the journal's own website.
Sleep and Biological Rhythms is published by Springer. Its print ISSN is 1446-9235 and its online ISSN is 1479-8425.
Yes. It is part of the One Nation One Subscription (ONOS) national subscription, so readers at participating Indian institutions get its full text. ONOS does not cover its article processing charge.
Yes — indexed in the Science Citation Index Expanded.
No — it is not registered as an open-access journal in DOAJ or Scopus.
Sleep and Biological Rhythms has an h-index of 51 and a 2-year mean of 1.24 citations per paper (OpenAlex). Its Scopus CiteScore is 3.4, quartile Q3. On 2-year citations it ranks #42 of 77 Scopus journals in Neuropsychology and Physiological Psychology.
Sleep and Biological Rhythms published 65 papers in 2025; its busiest recent year was 2022 with 82. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 97 research articles (2025–2026), authors are most often from Japan (41.8%), China (17.5%) and Türkiye (7.7%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. 2 retracted papers are recorded (1.3 per 1,000 papers). The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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