Obstructive sleep apnea (OSA) is linked to both physical and mental health issues. Using 2019 national survey data from 3689 middle-aged South Koreans, this study looked at how OSA risk relates to perceived stress. The STOP-Bang questionnaire identified OSA risk, and stress was self-reported. Results showed that 29.6% of those at risk for OSA reported stress, compared to 16.2% of those not at risk (OR = 1.85, p < 0.0001). Even after adjusting for various factors, the OSA risk group was significantly more likely to feel stressed. While job type showed some differences, they weren’t statistically meaningful. The study highlights the need to consider mental health in those likely to have OSA. These findings suggest that stress may coexist with OSA and could be a relevant factor in managing the condition. Further efforts are needed to incorporate stress management into OSA prevention and treatment strategies.
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