What is the Impact Factor of Sleep and Biological Rhythms?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of Sleep and Biological Rhythms is 2.00, ranking in quartile Q3 of Web of Science (SCIE).

Is Sleep and Biological Rhythms indexed in Web of Science or Scopus?

Yes, Sleep and Biological Rhythms is indexed in Web of Science (SCIE, Q3 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 0.587 (Q3) and an H-index of 44.

Who publishes Sleep and Biological Rhythms and what is the Article Processing Charge (APC)?

Sleep and Biological Rhythms is published by Springer Japan. The estimated Article Processing Charge (APC) is approximately $2,861 USD, subject to institutional waivers and corresponding author affiliations.

What is the ISO-4 abbreviation and acronym of Sleep and Biological Rhythms?

The official ISO-4 abbreviation of Sleep and Biological Rhythms is "SLEEP BIOL. RHYTHMS" with common acronym "sabr". This standardized title abbreviation is used in citation lists conforming to IEEE, APA, Harvard, or Vancouver styles.

WoS SCIE Q3Scopus Q3SCImago #10,091Hybrid

Sleep and Biological Rhythms

Acronym:sabr

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Abbreviation (ISO):SLEEP BIOL. RHYTHMS

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Identifier (ISSN):1446-9235(Print)/1479-8425(Online)

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Publisher:Springer Japan

Official Website Submission Portal Compare

Clarivate IF (2026)

2↑ +0.7

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS SCIEJCR Quartile

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Sleep and Biological Rhythms

WoS Q3

Annual Impact Factor Metric

Current (2026):2

Scopus SJR & RankScopus Q3

0.587

#10,091

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

44 papers with at least that number of citations each

WoS: SCIE / JCRQ3

Self-Citation Rate10%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessHybrid

54articles/year

17.48% Gold OA•95.59% Original Research

Aims & Scope

Sleep and Biological Rhythms is a quarterly peer-reviewed publication dealing with medical treatments relating to sleep. The journal publishies original articles, short papers, commentaries and the occasional reviews. In scope the journal covers mechanisms of sleep and wakefullness from the ranging perspectives of basic science, medicine, dentistry, pharmacology, psychology, engineering, public health and related branches of the social sciences

Topics Covered (Recognized by AI)

Medicine97.2%Biology93.5%Psychology91.9%Internal medicine87.8%Neuroscience83.8%Psychiatry83.4%Endocrinology68.3%Computer science55.2%Pathology51.9%Neurology51.5%Programming language45.5%Operating system43.8%Sleep (system call)42.4%Human physiology38.3%Pharmacology38.2%Insomnia34.8%Nursing34.4%Cognition31.7%Public health31%Health psychology30.3%Anesthesia28.2%Physics25.5%Electroencephalography24.3%Circadian rhythm20.4%

Primary Research Areas

Medicine Clinical Neurology

Official Website NLM PubMed Catalog Submission Portal SCImago Profile

0 calls

Special Issues

Calls for Papers

No active Calls for Papers found for this journal.

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WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI

JCRSCIE2026

CLINICAL NEUROLOGY

Rank188/296

IndexSCIE

JCRSCIE2026

NEUROSCIENCES

Rank257/330

IndexSCIE

JCISCIE2026

CLINICAL NEUROLOGY

Rank236/296

IndexSCIE

JCISCIE2026

NEUROSCIENCES

Rank286/330

IndexSCIE

Category	Index	Rank	Quartile
CLINICAL NEUROLOGY	JCRSCIE	188/296	Q3
NEUROSCIENCES	JCRSCIE	257/330	Q4
CLINICAL NEUROLOGY	JCISCIE	236/296	Q4
NEUROSCIENCES	JCISCIE	286/330	Q4

Annual Historical Statistics & Publications

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

12 year

2026Latest

IF2

Articles / Year58

Total Citations10

2025

IF1.3

Articles / Year65

Total Citations69

2024

IF1

Articles / Year56

Total Citations143

2023

IF1.1

Articles / Year67

Total Citations361

2022

IF1.39

Articles / Year82

Total Citations537

Year	Impact Factor	Articles / Year	Total Citations
2026	2	58	10
2025	1.3	65	69
2024	1	56	143
2023	1.1	67	361
2022	1.39	82	537
2021	1.186	61	420
2020	0.925	48	469
2019	0.752	47	580
2018	0.655	59	460
2017	—	57	746
2016	—	40	411
2015	—	85	883

SCImago & Scopus Journal Intelligence

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

Rank #10,091Scopus Q3SCImago Profile

Scopus Coverage:2003-2026

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Scopus Broad Areas:Biochemistry, Genetics and Molecular BiologyMedicineNeurosciencePsychology

Scopus Citation Rank (SJR)Q3

0.587

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

Quartile: Scopus Q3

Citations / Doc (2 years)

1.68

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

2-Year Citation Window

Estimated Publication Fee (APC)

$2,861 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations364

3-Year Documents195

Citable Documents163

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

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)1

Citations in government and international policy documents

Female Author Rate41.2%

Percentage of female authors published in the journal

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

Scopus Subject Categories

NeurologyQ3

Neuropsychology and Physiological PsychologyQ3

PhysiologyQ3

Physiology (medical)Q3

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: 10%

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):

4区 (Zone 4)Medicine

Minor Category (Specific Field):

4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 and Biological Rhythms (acronym: sabr, abbr: SLEEP BIOL. RHYTHMS, ISSN: 1446-9235) is a peer-reviewed international scholarly journal in the field of Medicine, published by Springer Japan in Australia since 2003. The periodical holds a Journal Impact Factor (JIF) of 2.00, ranking in quartile Q3 of Web of Science (SCIE), a Scopus SJR indicator of 0.587 (Q3), an H-index of 44.

The journal enforces rigorous peer evaluation with a publication frequency of Quarterly, an annual output of approximately 54 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $2,861 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.