Journal profile · Medicine-Neurology (clinical)
Sleep Medicine Research
ISSN 2093-9175 · eISSN 2233-8853 · Korean Society of Sleep Medicine · Korea, Republic of
Sleep Medicine Research: diamond open access (no APC); no APC; median 58 days to acceptance (79 articles, last 24 months); 40 articles in 2025; indexed in Scopus.
Scope
Aims, scope and focus
Sleep Medicine Research is published by Korean Society of Sleep Medicine. 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 61.5% of its articles. Its main subfields are Experimental and Cognitive Psychology. (generated from OpenAlex topic counts and CAS ranking data)
Sleep Medicine Research (Sleep Med Res) is an official journal of the Korean Society of Sleep Medicine (KSSM), Asian Society of Sleep Medicine (ASSM), Korean Society of Sleep Research, and Korean Society of Sleep and Breathing. It is published four times a year in the last days of March, June, September, and December. The journal aims to contribute to the better understanding of sleep physiology and sleep disorders. Sleep Medicine Research covers both basic and clinical contributions relevant to physiology or pathophysiology of normal sleep and full spectrum of sleep disorders including sleep apnea, insomnia, circadian rhythm disorders, sleep movement disorders, parasomnia, sleep deprivation. Original results from basic sleep science and related topics in medical, neurologic, psychiatric, dental, surgical, and public health fields are also included. Papers, to be accepted, will include original article (clinical and basic sleep research), review articles, brief communications (including case reports), images in sleep medicine, and letters to the editor. Reviews and editorials can be published upon specific request by the Editor. Sleep Medicine Research is freely accessible journal (www.sleepmedres.org) following the Creative Commons Attribution Non-Commercial License. For more information about Creative Commons, please see http://www.creativecommons.or.kr. The number of circulation of paper journal is above 500 per issue. Sleep Medicine Research is indexed/tracked/covered by SCOPUS, Directory of Open Access Journals, Crossref, and Google Scholar
From the journal's Aims & Scope
Research area (LetPub): Medicine-Neurology (clinical)
Editor-in-chief Chol ShinPublisher website
Editorial board by country: 2 in mainland China (about 3%); most named South Korea 32, United States 12, Japan 9, Mainland China 2, Hong Kong, China 2 (75 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Sleep and related disordersPsychology32.8%
- Obstructive Sleep Apnea ResearchMedicine21.5%
- Sleep and Wakefulness ResearchNeuroscience7.2%
- Sleep and Work-Related FatiguePsychology7%
- Circadian rhythm and melatoninNeuroscience4.6%
- Anxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPsychology3.5%
- Neuroscience of respiration and sleepNeuroscience2.8%
- COVID-19 and Mental HealthPsychology2.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
CAS Xinrui Journal Ranking (March 2026)Not covered
Not covered by this edition.
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
CiteScore quartiles (Scopus, June 2026 release)
| Subject | Quartile | Rank | Percentile |
|---|---|---|---|
| Pulmonary and Respiratory Medicine | Q4 | 127/165 | 23rd |
| Neurology (clinical) | Q4 | 319/403 | 20th |
| Physiology (medical) | Q4 | 93/117 | 20th |
| Psychiatry and Mental Health | Q4 | 462/580 | 20th |
| Neurology | Q4 | 162/201 | 19th |
Scopus ranks journals by CiteScore within each subject: the 75th percentile and above is Q1, then a quartile every 25 points. A different system from the CAS zones.LetPub
Database indexing
ScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
Google Scholar, CrossrefPublisher 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
- CiteScore 2026-06
- 1.1LetPub ·
- SJR 2026-06
- 0.26LetPub ·
- SNIP 2026-06
- 0.31LetPub ·
- h-index
- 18OpenAlex ·
- i10-index
- 49OpenAlex ·
- 2-year mean citedness
- 1.22OpenAlex ·
- Share of gold OA articles
- 0%LetPub ·
Articles by year OpenAlex count · 378 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 31 | 31 | 263 |
| 2025 | 40 | 40 | 358 |
| 2024 | 42 | 42 | 314 |
| 2023 | 40 | 40 | 270 |
| 2022 | 30 | 30 | 227 |
| 2021 | 24 | 24 | 201 |
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 Crossref · to
58 daysMedian, submission to acceptance · P25–P75 39 days – 83 days
- Acceptance to online
- median 33 days (79 articles)
- Submission to online
- median 91 days
- Sample
- 79 articles with submission and acceptance dates (83 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 8 weeksLetPub ·
- Submission to publication (journal-reported)
- about 8 weeksDOAJ ·
- Peer review
- Unspecified 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-NC-ND | |
| LetPub | No APC | No | — | |
| Publisher website | USD 200 / USD 100 | — | — |
Other charges and waivers (author guidelines)
- Page charges
- USD 200
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)
What to prepare8 items from the author guidelines
- Abstract
- ≤ 250 words
- Keywords
- 3–5
- Manuscript length
- ≤ 4,000 words
- Reference style
- Vancouver
- Templates
- Word
- First submission
- Free format: the journal's layout is not required
- Suggested reviewers
- Optional
- Cover letter
- Required
Article types accepted7, with length limits
- brief communicationed 4000 for How I do it, 2000 words for Brief Communications and 1000 words for Images in Sleep Medicine. Subdivisions such as Introducmain text ≤ 1,000 words
- brief communicationsThe SMR publishes Reviews, Original Articles, Brief Communications, Images in Sleep Medicine, and Opinions.Length not stated
- images in sleep medicineThe SMR publishes Reviews, Original Articles, Brief Communications, Images in Sleep Medicine, and Opinions.Length not stated
- opinionwords more than 1000. The main text for Opinion should not exceed 1000 words, and subdivisions such as Introduction, Methods, Results, amain text ≤ 1,000 words
- opinionsThe SMR publishes Reviews, Original Articles, Brief Communications, Images in Sleep Medicine, and Opinions.Length not stated
- original articlesThe SMR publishes Reviews, Original Articles, Brief Communications, Images in Sleep Medicine, and Opinions.Length not stated
- reviewsThe SMR publishes Reviews, Original Articles, Brief Communications, Images in Sleep Medicine, and Opinions.Length not stated
Policy excerpts from the journal's websitePeer review
- Peer review
All manuscripts are subject to peer review. Model summary
All manuscripts are subject to peer review.
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
- Korean Society of Sleep Medicine
- Country or region
- Korea, Republic of
- Language
- English
- ISSN
- 2093-9175
- Electronic ISSN
- 2233-8853
- Society / sponsor
- Korean Society of Sleep Medicine
- Latest issue on the website
- Volume 17 (June 2026)
- Official links
- Journal homepage ↗LetPub
- 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 Medicine Research
How long does peer review take at Sleep Medicine Research?
Based on the dates recorded on 79 articles published between November 2024 and November 2026 (the last 24 months), the median time from submission to acceptance is 58 days (interquartile range 39–83 days); authors report an average review time of about 8 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.
What are the manuscript requirements of Sleep Medicine Research?
According to the journal's author guidelines: Abstract: ≤ 250 words; Keywords: 3–5; Manuscript length: ≤ 4,000 words; Reference style: Vancouver; Templates: Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: Optional; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Sleep Medicine Research based?
Of the 75 board members whose country the journal's board page names, 2 (about 3%) are in mainland China; the countries named most often are South Korea (32), United States (12) and Japan (9). Counted from the institutions listed on the board page; for reference only.
Which databases index Sleep Medicine Research?
According to LetPub and DOAJ records, Sleep Medicine Research is indexed in Scopus and DOAJ.
Is Sleep Medicine Research open access, and what is the APC?
Sleep Medicine Research 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, Publisher website, OpenAlex, 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 2026-08-25). Last updated: .