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Sleep is Scopus-indexed (Q1, CiteScore 9.8), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by Oxford University Press.
Checked against the index lists dated .
ISSN 0161-8105Verify ISSN ↗1550-9109Verify ISSN ↗
Publisher: Oxford University Press
Cost to publish: About US$4,388 to publish open access (publisher list price, via OpenAlex) — subscription publishing may be free
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Neuropsychology and Physiological Psychology | 4 / 77 | 95th | Q1 |
| Clinical Psychology | 15 / 314 | 95th | Q1 |
| Behavioral Neuroscience | 7 / 93 | 93rd | Q1 |
| Neurology (clinical) | 39 / 403 | 90th | Q1 |
| Physiology (medical) | 14 / 117 | 88th | Q1 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 1978–present, best quartile Q1, CiteScore 9.8.
Sleep is Q1 in Neuropsychology and Physiological Psychology (rank 4 of 77), Q1 in Clinical Psychology (rank 15 of 314) and Q1 in Behavioral Neuroscience (rank 7 of 93), by CiteScore 2025. It is ranked in 5 subject areas in all.
Sleep 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 9.8, which places it in quartile Q1 at the 95th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 1.671, quartile Q1, with an H-index of 257.
The publisher lists an article processing charge of about US$4,388 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 is published by Oxford University Press. Its print ISSN is 0161-8105 and its online ISSN is 1550-9109.
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 has an h-index of 308 and a 2-year mean of 0.79 citations per paper (OpenAlex). Its Scopus CiteScore is 9.8, quartile Q1. On 2-year citations it ranks #56 of 77 Scopus journals in Neuropsychology and Physiological Psychology.
Sleep published 1,942 papers in 2025. 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 100 research articles (2026), authors are most often from United States (36.3%), China (9.3%) and Australia (8.3%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. 6 retracted papers are recorded (0.3 per 1,000 papers). The Problematic Paper Screener flags 1 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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