Sleep Med 2021 May 27;84:121-126. Epub 2021 May 27.
Department of Internal Medicine, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon, Republic of Korea. Electronic address:
Objectives: This study aimed to evaluate the association between sleep quality and quality of life (QoL).
Methods: This cross-sectional study included 225,541 adults (101,133 men, 124,408 women) who participated in the 2018 Korean Community Health Survey. Multiple sociodemographic and psychosocial variables were evaluated and compared between participants with poor (n = 67,619) and good sleep quality (n = 157,922); sleep quality was subjectively determined using the Pittsburgh Sleep Quality Index (PSQI). Read More