ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q1Scopus Q1SCImago #2,007Top JournalHybrid

Sleep

Abbreviation (ISO):SLEEP
•
Identifier (ISSN):0161-8105(Print)/1550-9109(Online)
•
Publisher:Oxford University Press
Clarivate IF (2026)
7↑ +2.1
Journal Impact Factor
IF Trend↓
WoS Quartile
Q1
WoS SCIETop Tier
Clarivate WoS JCR
WoS Categories↓
JCR Release Date: 2026-06-17

Impact Factor Trend (2020–2026)

Clarivate IF trend for Sleep

WoS Q1
35794.820205.8520216.3120225.620235.320244.9202572026
Annual Impact Factor Metric
Current (2026):7
Scopus SJR & RankScopus Q1
1.671
#2,007

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
257

257 papers with at least that number of citations each

WoS: SCIE / JCRTop Tier
Self-Citation Rate7.5%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
333articles/year
35.09% Gold OA•93.65% Original Research

Aims & Scope

SLEEP® publishes findings from studies conducted at any level of analysis, including: Genes Molecules Cells Physiology Neural systems and circuits Behavior and cognition Self-report SLEEP® publishes articles that use a wide variety of scientific approaches and address a broad range of topics. These may include, but are not limited to: Basic and neuroscience studies of sleep and circadian mechanisms In vitro and animal models of sleep, circadian rhythms, and human disorders Pre-clinical human investigations, including the measurement and manipulation of sleep and circadian rhythms Studies in clinical or population samples. These may address factors influencing sleep and circadian rhythms (e.g., development and aging, and social and environmental influences) and relationships between sleep, circadian rhythms, health, and disease Clinical trials, epidemiology studies, implementation, and dissemination research.

Topics Covered (Recognized by AI)
Medicine99%Psychology93.3%Biology86.2%Psychiatry81.3%Internal medicine79.2%Neuroscience72.5%Computer science59.9%Programming language51%Operating system50.9%Sleep (system call)50%Anesthesia46.4%Pharmacology41.9%Endocrinology41.4%Electroencephalography39.4%Insomnia37%Cognition35.5%Apnea32.9%Pathology32.6%Polysomnography29.1%Cardiology25.8%Audiology23.8%Physics23.5%Circadian rhythm20.9%Obstructive sleep apnea20.5%
Primary Research Areas

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
JCRSCIE2026

CLINICAL NEUROLOGY

Q1
Rank24/296
IndexSCIE
JCRSCIE2026

NEUROSCIENCES

Q1
Rank39/330
IndexSCIE
JCISCIE2026

CLINICAL NEUROLOGY

Q1
Rank37/296
IndexSCIE
JCISCIE2026

NEUROSCIENCES

Q1
Rank44/330
IndexSCIE

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year
2026Latest
IF7
Articles / Year1,642
Total Citations148
2025
IF4.9
Articles / Year1,942
Total Citations1,399
2024
IF5.3
Articles / Year1,549
Total Citations2,513
2023
IF5.6
Articles / Year1,382
Total Citations4,783
2022
IF6.313
Articles / Year1,175
Total Citations5,611

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #2,007Scopus Q1SCImago Profile
Scopus Coverage:1978-2026
Scopus Broad Areas:MedicineNeurosciencePsychology
Scopus Citation Rank (SJR)Q1
1.671

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q1
Citations / Doc (2 years)
4.03

Average citations received per document published in the 2-year window.

2-Year Citation Window
Estimated Publication Fee (APC)
$3,654 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations3,960
3-Year Documents929
Citable Documents643

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate47.1%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Behavioral NeuroscienceQ1
Clinical PsychologyQ1
Neurology (clinical)Q1
Neuropsychology and Physiological PsychologyQ1
Physiology (medical)Q1
Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth
Self-citation: 7.5%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):
2区 (Zone 2)Medicine
Minor Category (Specific Field):
2区CLINICAL NEUROLOGY
CAS Early Warning List History:
Updated annually: 2020 – 2024
2020
Not warned
2021
Not warned
2022
Not warned
2023
Not warned
2024
Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Sleep (abbr: SLEEP, ISSN: 0161-8105) is a peer-reviewed international scholarly journal in the field of Medicine, published by Oxford University Press in United States since 1978. The periodical holds a Journal Impact Factor (JIF) of 7.00, ranking in quartile Q1 of Web of Science (SCIE), a Scopus SJR indicator of 1.671 (Q1), an H-index of 257.

The journal enforces rigorous peer evaluation with a publication frequency of Monthly, an annual output of approximately 333 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,654 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Open Access Model
Hybrid
Publisher
Oxford University Press
Publication Language
English
Frequency
Monthly
Founding Year
1978
Indexing & Databases
SCIEScopusPubMed
Editorial Address
AMER ACAD SLEEP MEDICINE, ONE WESTBROOK CORPORATE CTR, STE 920, WESTCHESTER, USA, IL, 60154

Similar Journals in Discipline

Journals in the same research field with comparable impact metrics

Record UUID: e50da883-93e4-446a-b797-8076c2101d1a
Database Updated: 2026-10-27