Copyright
©The Author(s) 2025. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Psychiatry. Nov 19, 2025; 15(11): 109566
Published online Nov 19, 2025. doi: 10.5498/wjp.v15.i11.109566
Published online Nov 19, 2025. doi: 10.5498/wjp.v15.i11.109566
Unraveling the role of dysfunctional sleep beliefs: How chronotype shapes sleep quality and academic success in medical students
Şengül Tosun Altınöz, Leman Deniz Tarlacık, Private Practice, Eskişehir 26040, Türkiye
Esin Engin, Department of Clinical Psychology, TED University, Ankara 06420, Türkiye
Yaren Uzel, Department of Psychiatry, Ankara University, Ankara 06230, Türkiye
Uğur Doğan, Guidance and Psychological Counseling, Muğla Sıtkı Koçman University, Muğla 48000, Türkiye
Ali Ercan Altınöz, Department of Psychiatry, Eskişehir Osmangazi University, Eskişehir 26040, Türkiye
Author contributions: Tosun Altınöz Ş, Altınöz AE, Tarlacık LD, Engin E, Doğan U, and Uzel Y designed the study; Uzel Y, Altınöz AE, Engin E, and Tarlacık LD collected the data; Doğan U and Tosun Altınöz Ş performed analysis. All authors contributed to writing the manuscript and approved the final version.
Institutional review board statement: The present study was approved by Eskisehir Osmangazi University Non-invasive Clinical Research Ethics Committee on 11.04.2023 with a decision number of 06.
Informed consent statement: All participants provided written informed consent prior to their participation in the study.
Conflict-of-interest statement: The authors declare that there is no conflict of interest regarding the present study.
Data sharing statement: The data that support the findings of this study are available on request from the corresponding author, Altınöz AE. The data are not publicly available due to restrictions on their containing information that could compromise the privacy of research participants.
Open Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Ali Ercan Altınöz, MD, Professor, Department of Psychiatry, Eskişehir Osmangazi University, Meşelik Campus, No. 4 Büyükdere, Odunpazarı, Eskişehir 26040, Türkiye. aaltinoz@ogu.edu.tr
Received: May 16, 2025
Revised: June 24, 2025
Accepted: September 10, 2025
Published online: November 19, 2025
Processing time: 171 Days and 19.9 Hours
Revised: June 24, 2025
Accepted: September 10, 2025
Published online: November 19, 2025
Processing time: 171 Days and 19.9 Hours
Core Tip
Core Tip: This study investigated how dysfunctional beliefs about sleep indirectly affect academic achievement through sleep quality among medical students. The findings revealed that chronotype moderates this relationship, with evening-type students being particularly vulnerable to the negative effects of maladaptive sleep cognitions. By highlighting its role in mediating sleep quality, this study suggests that cognitive-behavioral interventions tailored to chronotype may improve both sleep and academic outcomes.