Unraveling the role of dysfunctional sleep beliefs: How chronotype shapes sleep quality and academic success in medical students

doi:10.5498/wjp.v15.i11.109566

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World Journal of Psychiatry

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2220-3206

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Psychiatry. Nov 19, 2025; 15(11): 109566
Published online Nov 19, 2025. doi: 10.5498/wjp.v15.i11.109566

Table 2 Correlation coefficients among Grade Point Average, Pittsburgh Sleep Quality Index, Dysfunctional Beliefs and Attitudes about Sleep Scale, and Morningness-Eveningness Questionnaire by chronotype

Variables	Evening-type	Morning-type	Intermediate-type	All
GPA-PSQI	-0.30^a	-0.13	-0.15	-0.18^a
GPA-DBAS	-0.04	-0.13	0.02	-0.03
GPA-MEQ	-0.12	0.07	-0.02	0.11
PSQI-DBAS	0.33^b	0.47^c	0.33^a	0.38^c
PSQI-MEQ	-0.21	-0.14	0.02	0.02
DBAS-MEQ	-0.27^a	-0.17	0.09	-0.05

^aP < 0.05.

^bP < 0.01.

^cP < 0.001.

GPA: Grade Point Average; PSQI: Pittsburgh Sleep Quality Index; DBAS: Dysfunctional Beliefs and Attitudes about Sleep Scale; MEQ: Morningness-Eveningness Questionnaire.

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Citation: Altınöz ŞT, Tarlacık LD, Engin E, Uzel Y, Doğan U, Altınöz AE. Unraveling the role of dysfunctional sleep beliefs: How chronotype shapes sleep quality and academic success in medical students. World J Psychiatry 2025; 15(11): 109566
URL: https://www.wjgnet.com/2220-3206/full/v15/i11/109566.htm
DOI: https://dx.doi.org/10.5498/wjp.v15.i11.109566

Altınöz ŞT, Tarlacık LD, Engin E, Uzel Y, Doğan U, Altınöz AE. Unraveling the role of dysfunctional sleep beliefs: How chronotype shapes sleep quality and academic success in medical students. World J Psychiatry 2025; 15(11): 109566 [PMID: 41281511 DOI: 10.5498/wjp.v15.i11.109566]

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