Journal profile · CLINICAL NEUROLOGY
Sleep Science
ISSN 1984-0659 · eISSN 1984-0063 · Brazilian Association of Sleep and Latin American Federation of Sleep Societies · Brazil
Sleep Science: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 1.6 (journal website); diamond open access (no APC); no APC; median 155 days to acceptance (38 articles, last 24 months); 175 articles in 2025; indexed in ESCI and Scopus; the journal's website says it has moved to a new publisher.
The journal's website says it has moved to a new publisher: 10.1055/s-00050442 Note: The Arab Journal of Interventional Radiology, the official journal of Pan Arab Interventional Radiology Society (PAIRS), has transferred to a new publisher. Please see the Society website for mo... Source ↗Publisher website ·
Scope
Aims, scope and focus
Sleep Science is published by Brazilian Association of Sleep and Latin American Federation of Sleep Societies and is in Zone 4 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Sleep and related disorders, Obstructive Sleep Apnea Research and Sleep and Wakefulness Research, together about 51.4% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Sleep Science is a free open access journal, published since 2008 by the Brazilian Sleep Academy (ABS - Academia Brasileira do Sono), committed to publishing scientific studies focusing on sleep, chronobiology, shift work, and related subjects. The journal welcomes original studies, review articles, short communications, commentaries, and case reports in pre-clinical and clinical research regarding sleep physiology and neurobiology, sleep deprivation/restriction, sleep disorders, shift work and circadian misalignment, and biological rhythms.Sleep Science's coverage includes:- Sleep physiology and neurobiology- Sleep deprivation and restriction- Sleep disorders (including obstructive sleep apnea)- Circadian and biological rhythms- Shift work and shift workers' health- Basic and clinical sleep scienceAudience: Sleep medicine specialists, researchers, chronobiologists, neurologists, pulmonologists, psychiatrists, occupational health professionals, and other health professionals working with sleep disorders.The journal publishes the following article categories: original article, review article, short communication, commentary, and case report.
From the journal's Aims & Scope
Research area (LetPub): CLINICAL NEUROLOGY
Editor-in-chief Claudia Roberta de CastroPublisher website
Editorial board by country: none in mainland China; most named United States 10, Brazil 6, Mexico 1 (17 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Sleep and related disordersPsychology21.2%
- Obstructive Sleep Apnea ResearchMedicine17.6%
- Sleep and Wakefulness ResearchNeuroscience12.6%
- Sleep and Work-Related FatiguePsychology7.7%
- Neuroscience of respiration and sleepNeuroscience5%
- Circadian rhythm and melatoninNeuroscience4.3%
- Restless Legs Syndrome ResearchMedicine4.3%
- Cardiovascular and Diving-Related ComplicationsMedicine2.5%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Clinical Neurology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Clinical Neurology | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
Web of SciencePMCPubMedPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor (publisher)
- 1.6Publisher website ·
- CiteScore 2026-06
- 4.9LetPub ·
- SJR 2026-06
- 0.56LetPub ·
- SNIP 2026-06
- 0.83LetPub ·
- h-index
- 44OpenAlex ·
- i10-index
- 268OpenAlex ·
- 2-year mean citedness
- 0.6OpenAlex ·
- Self-citation rate
- 6.2%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 31LetPub ·
Articles by year OpenAlex count · 1,924 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 14 | 14 | 0 |
| 2025 | 175 | 175 | 49 |
| 2024 | 336 | 336 | 264 |
| 2023 | 263 | 263 | 380 |
| 2022 | 132 | 132 | 1,453 |
| 2021 | 51 | 51 | 479 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with PubMed · to
155 daysMedian, submission to acceptance · P25–P75 124 days – 224 days
- Acceptance to online
- median 119 days (38 articles)
- Submission to online
- median 299 days
- Sample
- 38 articles with submission and acceptance dates (89 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- about 10 weeksLetPub ·
- Submission to publication (journal-reported)
- about 5 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY | |
| LetPub | No APC | No | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Article types accepted2
- original researchOriginal ResearchLength not stated
- reviewReviewLength not stated
Policy excerpts from the journal's websiteLicense & copyright
- License & copyright License
This journal is published under the license CC BY, and the copyright is held by the authors.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Brazilian Association of Sleep and Latin American Federation of Sleep Societies
- Country or region
- Brazil
- Language
- English
- ISSN
- 1984-0659
- Electronic ISSN
- 1984-0063
- Society / sponsor
- Indian Society of Neuroanaesthesiology and Critical Care
- Official links
- Journal homepage ↗DOAJ
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
FAQ
Frequently asked questions about Sleep Science
What CAS zone is Sleep Science in?
In the 2025 upgraded edition of the CAS Journal Ranking, Sleep Science is in Zone 4 of Medicine, and in Zone 4 of the minor category Clinical Neurology. In the 2026 Xinrui edition it is in Zone 4 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Sleep Science?
The journal's website gives an impact factor of 1.6; this is the journal's own figure, as LetPub lists none for it; CiteScore 4.9, h-index 44.
How long does peer review take at Sleep Science?
Based on the dates recorded on 38 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 155 days (interquartile range 124–224 days); authors report an average review time of about 10 weeks. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Where are the editorial board members of Sleep Science based?
Of the 17 board members whose country the journal's board page names, none are in mainland China; the countries named most often are United States (10), Brazil (6) and Mexico (1). Counted from the institutions listed on the board page; for reference only.
Which databases index Sleep Science?
According to LetPub and DOAJ records, Sleep Science is indexed in ESCI, Scopus and DOAJ. The journal's website also lists Web of Science, PMC and PubMed; that list has not been checked against each database.
Is Sleep Science open access, and what is the APC?
Sleep Science is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .