Impact Factor
3.42
Journal Citation Impact
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Citation rate
2.07
3,924 total citations
h5-index
61
h5 depth signal
Cited share
40.2%
797 of 1,984
Total citations
3,924
Citation footprint
Metric signal
2.29
External metric anchor
Self-citation
6.3%
248 self-citations
Citations Trend
Monthly Publications Cadence
Citing Geographic Demographics
United States
1,336
China
914
Italy
409
Australia
338
Canada
318
Citing Fields of Research
Chronobiology
8,693
Neurosciences
985
Psychiatry
802
Psychiatry & Psychology
763
Neurodegenerative Disorders
550
Publishing Activity & Reach
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
All-time article footprint
16,583
Articles tracked across the journal lifetime
Indexed publication set
1,984
797 cited publications
Last 12 months
2,331
194.3 publications/month
Open access share
9.9%
230 OA publications in the last year
Leading citing country
United States
1,336 citing publications
Leading citing field
Chronobiology
8,693 citing publications
Latest tracked publication
17 October 2026
10 recent records available
Coverage & Indexing History
v4n1, Jan. 2003-
v4n1, Jan. 2003-
Active Coverage
Research Focus & Classification
Indexed Subjects
Chronobiology
Broad Categories
Neurology
Psychophysiology
Chronobiology
MeSH Descriptors
Sleep Wake Disorders
Sleep
Latest Publications
Recent article records with DOI-first linking and condensed abstracts.
01
DOI 10.1016/j.sleep.2026.109325
Open DOI
A Systematic Review of Machine Learning Approaches for Sleep Posture Recognition across Sensing Modalities (2023–2025)
02
DOI 10.1016/j.sleep.2026.109311
Open DOI
The development and validation of the Pre-Sleep Excitement–Inducing Activities Scale
03
04
DOI 10.1016/j.sleep.2026.109312
Open DOI
A digital cognitive battery for sleep-disordered breathing: Test-retest reliability and practice effects
05
DOI 10.1016/j.sleep.2026.109323
Open DOI
Sleep-state transition instability with recurrent multisystem activation: A case-based phenotypic framework
06
07
08
DOI 10.1016/j.sleep.2026.109322
Open DOI
Distinct daytime sleepiness phenotypes across insomnia symptom dimensions in the Wisconsin sleep cohort
09
DOI 10.1016/j.sleep.2026.109315
Open DOI
Evolution of daytime PaCO2 in patients with neuromuscular disorders and OSA using CPAP: a retrospective study
10
DOI 10.1016/j.sleep.2026.109317
Open DOI
Sleep duration and risk of microvascular complications in type 2 diabetes: A prospective cohort study
Bibliographical & Catalog Notes
Also issued online.
v.1, no. 1 ( 2002)20031219 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper