Effect of energy intake expenditure balance on sleep duration: a cross-sectional study concerning the 2019, 2020, and 2022 Korea National Health and Nutrition Examination Surveys

Key Points

• To investigate how the balance between energy intake and expenditure affects sleep duration in a specific population.
• Cross-sectional design using data from the Korea National Health and Nutrition Examination Surveys for 2019, 2020, and 2022.
• Assessment of energy intake and expenditure using dietary and physical activity questionnaires.
• Analysis of sleep duration based on survey responses.
• There was a significant correlation between energy balance and sleep duration.
• Participants with better energy balance reported longer sleep durations.
• Differences in sleep patterns were observed across the surveyed years.