Sleep Medicine Research

Original Article 2025 September 29 Validating the Insomnia Severity Index and Its 3-Item Shortened Version Among Cancer Patients: A Machine Learning Approach
Background and Objective Insomnia is a prevalent yet often underrecognized symptom among cancer patients, who already face significant psychological and physical burdens. While the 7-item Insomnia Severity Index (ISI) is widely used to assess insomnia, its length can impose addi...

Original Article 2025 September 3 Development of the Brief Questionnaire Version of the Discrepancy Between Desired Time in Bed and Desired Total Sleep Time Index: The DBSTq-2
Background and Objective The aim of this study was to develop a modified questionnaire version of the discrepancy between desired time in bed and desired total sleep time (DBST) index, while addressing its limitations. Methods Two online surveys were conducted; one among the ge...

Original Article 2025 September 29 Classifying Parkinson’s Disease With or Without Rapid Eye Movement Sleep Behavior Disorder Using Machine Learning-Based Analysis of Single-Lead Electrocardiogram
Background and Objective Rapid eye movement sleep behavior disorder is a prodromal stage of alpha-synucleinopathy. Parkinson’s disease with rapid eye movement sleep behavior disorder is associated with more severe symptoms and cerebral pathology compared to Parkinson’s diseas...

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pISSN : 2093-9175
eISSN : 2233-8853

Current Issue
Volume 16(3); September 2025

From articles published in Sleep Medicine Research during the past two years (2021 ~ ).

ALL Review Article Original Article

Association Between Age and Sleep Quality: Findings From a Community Health Survey

Minjung Kim, Yoo-Hyun Um, Tae-Won Kim, Sung-Min Kim, Ho-Jun Seo, Jong-Hyun Jeong, Jihyung Lee, Suhyung Kim, In Hee Cho, Suk-Young Kim, Seung-Chul Hong

Sleep Med Res. 2021;12(2):155-160. Published online December 31, 2021

doi: https://doi.org/10.17241/smr.2021.01158

Cited By 18

The DBST Index, the Discrepancy Between Desired Time in Bed and Desired Total Sleep Time: The Possible New Sleep Index Predicting Severity of Insomnia

Seockhoon Chung

Sleep Med Res. 2022;13(2):85-93. Published online September 26, 2022

doi: https://doi.org/10.17241/smr.2022.01368

Cited By 11

Insomnia Mediate the Influence of Reassurance-Seeking Behavior and Viral Anxiety on Preoccupation With COVID-19 Among the General Population

Eulah Cho, Dongin Lee, Inn-Kyu Cho, Joohee Lee, Junseok Ahn, Young Rong Bang

Sleep Med Res. 2022;13(2):68-74. Published online July 8, 2022

doi: https://doi.org/10.17241/smr.2022.01291

Cited By 10

Utility of the Stress and Anxiety to Viral Epidemic-3 Items as a Tool for Assessing Work-Related Stress, and Relationship With Insomnia and Burnout of Healthcare Workers During the COVID-19 Pandemic

Hoon Sung Son, Myung Hee Ahn, Kyumin Kim, Inn-Kyu Cho, Joohee Lee, Sooyeon Suh, Seockhoon Chung

Sleep Med Res. 2021;12(2):161-168. Published online December 20, 2021

doi: https://doi.org/10.17241/smr.2021.01025

Cited By 10

Reliability and Validity of Dysfunctional Beliefs About Sleep-2 (DBS-2), an Ultra-brief Rating Scale for Assessing Dysfunctional Thoughts About Sleep

Kyumin Kim, Seockhoon Chung, Eulah Cho, Jung Mun Choi, Dongin Lee, Inn-Kyu Cho

Sleep Med Res. 2022;13(3):165-170. Published online December 28, 2022

doi: https://doi.org/10.17241/smr.2022.01403

Cited By 9

Sleep Effort and Insomnia Severity: The Role of Bedtime Procrastination

Omer Faruk Uygur, Aynur Bahar

Sleep Med Res. 2023;14(1):18-24. Published online March 28, 2023

doi: https://doi.org/10.17241/smr.2023.01655

Cited By 6

Effects of Body Pillow Use on Sleeping Posture and Sleep Architecture in Healthy Young Adults

Insung Park, Chihiro Suzuki, Yoko Suzuki, Fusae Kawana, Katsuhiko Yajima, Shoji Fukusumi, Toshio Kokubo, Kumpei Tokuyama, Masashi Yanagisawa, Makoto Satoh

Sleep Med Res. 2021;12(1):57-63. Published online June 2, 2021

doi: https://doi.org/10.17241/smr.2021.00878

Cited By 5

Association of Sleep Duration and Quality With Health-Related Quality of Life in Fresher University Students

Ahmad Sharifnezhad, Maryam Garmabi, Fatemeh Naderi, Fateme Darrudi, Zahra Andishmand, Ali Gholami

Sleep Med Res. 2023;14(1):50-57. Published online March 28, 2023

doi: https://doi.org/10.17241/smr.2022.01389

Cited By 4

Validation of the Stress and Anxiety to Viral Epidemics-9 (SAVE-9) Scale and Relationship With Insomnia or Depression Among Healthcare Workers Who Witnessed Patient’s Death in COVID-19 Pandemic

Dongin Lee, Issa Kamaleddine, Inn-Kyu Cho, Oli Ahmed, Eulah Cho

Sleep Med Res. 2022;13(3):158-164. Published online December 28, 2022

doi: https://doi.org/10.17241/smr.2022.01501

Cited By 4

Melatonin Effects in Women With Comorbidities of Overweight, Depression, and Sleep Disturbance: A Randomized Placebo Controlled Clinical Trial

Shahin Akhondzadeh, Seyed-Ali Mostafavi, Seyed Ali Keshavarz, Mohammad Reza Mohammadi, Maryam Chamari

Sleep Med Res. 2022;13(1):22-30. Published online May 17, 2022

doi: https://doi.org/10.17241/smr.2021.01130

Cited By 4

Four Useful Concepts When Treating Patients With Insomnia: Possibility of Sleep Index-Based Cognitive Behavioral Therapy for Insomnia

Seockhoon Chung

Sleep Med Res. 2022;13(1):50-54. Published online June 23, 2022

doi: https://doi.org/10.17241/smr.2022.01249

Cited By 4

Later Chronotype Correlates With Severe Depression in Indonesian College Students

Alva Supit, Merry Gosal, Prycilia Mamuaja, Sicilia Kumaat, Achmad Paturusi

Sleep Med Res. 2021;12(2):133-139. Published online December 31, 2021

doi: https://doi.org/10.17241/smr.2021.00969

Cited By 4

No Association Between Insomnia Severity, and Discrepancy Between Desired Time in Bed and Desired Total Sleep Time Among Shift-Working Nursing Professionals

Wafaa Bzeih, Sohyeong Kim, Kikyoung Yi, Seockhoon Chung

Sleep Med Res. 2023;14(3):155-160. Published online September 30, 2023

doi: https://doi.org/10.17241/smr.2023.01704

Cited By 3

Factors Associated With Sleeping Quality and Behaviors Among University Students in Malaysia

Siew Chin Ong, Nizuwan Azman, Hui Ting Ho

Sleep Med Res. 2023;14(1):43-49. Published online March 28, 2023

doi: https://doi.org/10.17241/smr.2022.01536

Cited By 3

Different Course of Narcolepsy Diagnosed by Multiple Sleep Latency Test: A Single Center Experience

Hong-Shik Chun, Sung-Min Kim, Tae-Won Kim, Yoo Hyun Um, Jong-Hyun Jeong, Ho-Jun Seo, Seung-Chul Hong

Sleep Med Res. 2022;13(3):153-157. Published online December 28, 2022

doi: https://doi.org/10.17241/smr.2022.01529

Cited By 3

Screen Time Effect on Insomnia, Depression, or Anxiety Symptoms and Physical Activity of School Students During COVID-19 Lockdown in Lebanon: A Cross Sectional Study

Bayan Tarek Abou Ali, Nada Omar Saleh, Hussein Walid Mreydem, Sajida Fawaz Hammoudi, Taeyeop Lee, Seockhoon Chung, Souheil Hallit, Pascale Salameh

Sleep Med Res. 2021;12(2):101-109. Published online December 31, 2021

doi: https://doi.org/10.17241/smr.2021.01109

Cited By 3

Evaluation of a Modified STOP-BANG Questionnaire for Sleep Apnea in Adults from the Korean General Population

Chol Shin, Inkyung Baik

Sleep Med Res. 2021;12(1):28-35. Published online June 2, 2021

doi: https://doi.org/10.17241/smr.2020.00808

Cited By 3

The Influence of Obesity on the Association of Obstructive Sleep Apnea and Atrial Fibrillation

Patrick L. Stafford, Evan K. Harmon, Paras Patel, McCall Walker, Gen-Min Lin, Seung-Jung Park, Neal A. Chatterjee, Nishaki K. Mehta, Sula Mazimba, Kenneth Bilchick, Younghoon Kwon

Sleep Med Res. 2021;12(1):50-56. Published online June 24, 2021

doi: https://doi.org/10.17241/smr.2021.00857