Impact Factor
3.14
Journal Citation Impact
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Citation rate
2.33
196 total citations
h5-index
22
h5 depth signal
Cited share
78.9%
71 of 90
Total citations
196
Citation footprint
Metric signal
2.03
External metric anchor
Self-citation
3.1%
6 self-citations
Citations Trend
Monthly Publications Cadence
Citing Geographic Demographics
United States
326
Australia
73
Canada
46
China
46
United Kingdom
30
Citing Fields of Research
Chronobiology
552
Psychiatry
97
Psychiatry & Psychology
80
Autonomic Function
24
Palliative Care
21
Publishing Activity & Reach
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
All-time article footprint
1,011
Articles tracked across the journal lifetime
Indexed publication set
90
71 cited publications
Last 12 months
70
5.8 publications/month
Open access share
34.3%
24 OA publications in the last year
Leading citing country
United States
326 citing publications
Leading citing field
Chronobiology
552 citing publications
Latest tracked publication
19 October 2026
10 recent records available
Coverage & Indexing History
v1n1, 2003-
v1n1, 2003-
Active Coverage
Research Focus & Classification
Indexed Subjects
Chronobiology
Broad Categories
Behavioral Sciences
Psychophysiology
Chronobiology
MeSH Descriptors
Behavioral Medicine
Sleep Wake Disorders
Latest Publications
Recent article records with DOI-first linking and condensed abstracts.
01
DOI 10.1080/15402002.2026.2750552
Open DOI
Parental Anxiety, Depression, and Sleep Quality in Relation to Infant Sleep: A Two-Cohort Longitudinal Study
02
DOI 10.1080/15402002.2026.2742293
Open DOI
The Serial Mediating Roles of Repetitive Negative Thinking and Future Anxiety Between AI Competence Anxiety and Sleep Disturbance
03
04
DOI 10.1080/15402002.2026.2738946
Open DOI
Associations Between Obstructive Sleep Apnea and Cotinine: A Cross-Sectional Study Based on 2015–2020 NHANES
Obstructive sleep apnea (OSA) is a common respiratory disorder characterized by recurrent episodes of upper airway collapse during sleep, affecting approximately 1 billion adults worldwide (Benjafi...
05
DOI 10.1080/15402002.2026.2729031
Open DOI
Psychometric Properties of the Nightmare Distress Questionnaire in Veterans with Posttraumatic Nightmares
Nightmares are highly dysphoric dreams which can cause significant distress and impair sleep and daytime functioning (Böckermann et al., 2014). The Nightmare Distress Questionnaire (NDQ) is the mos...
06
07
08
DOI 10.1080/15402002.2026.2724272
Open DOI
“Why don’t They Seek Help?” A Qualitative Study of Barriers and Motivators to Insomnia Treatment Among Youth
Insomnia is common in youth, yet they often do not seek help or treatment for their sleep problem. Limited research has explored the barriers and facilitators to seeking care for insomnia in this population. This qualitative study aimed ...
09
DOI 10.1080/15402002.2026.2715443
Open DOI
Insomnia Symptoms are Common Among Community Dwelling African Americans Who Report Poor Sleep
African Americans experience high rates of health disparities (Macias-Konstantopoulos et al., 2023), driven partly by structural and social determinants of health. Sleep, a multifaceted biological ...
10
DOI 10.1080/15402002.2026.2718249
Open DOI
Restless-Leg Syndrome Among Adolescents: Impact on Sleep Quality, Mood, and Academic Performance
Restless legs syndrome (RLS) is a neurological sensorimotor disorder characterized by an urge to move the legs, typically accompanied by unpleasant sensations, with a small proportion of individual...
Bibliographical & Catalog Notes
Title from cover.
Imprint varies.
Latest issue consulted: Vol. 1, no. 2 (2003).
Also available online.
v. 1, no. 1 (1993)20041129 Notice not published Printed on acid-free paper