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BACKGROUND: The optimal exercise combination for improving sleep quality among sedentary workers is unclear. OBJECTIVE: To reveal what combination of exercises contributes to good sleep quality. METHODS: In this cross-sectional study, we enrolled 5,201 sedentary workers who underwent health examinations in 2019. Data on sleep quality, basic attributes, energy expenditure, and lifestyle aspects such as exercise and physical activity, supper time close to bedtime, and alcohol intake were obtained. The subjects reported their exercise habits by selecting up to three forms of exercise from a list of 182 options, which were classified into three types: endurance (e.g., jogging), muscle strength (e.g., bench pressing), and balanced types which combined both endurance and muscle strength characteristics. (e.g., walking). These forms were then categorized into eight combination patterns: endurance only; muscle strength only; balanced only; endurance and muscle strength; endurance and balanced; muscle strength and balanced; all types; and absence of any exercise habits. Binary logistic regression analysis was used to examine the associations between the exercise combination patterns and sleep quality. RESULTS: Good sleep quality was significantly associated with "endurance" (OR = 1.419; 95% CI 1.110–1.814), "balanced only" (OR = 1.474; 95% CI 1.248–1.741), and "endurance and balance" (OR = 1.782; 95% CI 1.085–2.926) exercise patterns. No significant associations were found between the combinations that included muscle strength exercises and sleep quality. CONCLUSION: The endurance or balanced-type exercises, or a combination of both, may help to improve the sleep quality of sedentary workers as part of occupational health management. [ABSTRACT FROM AUTHOR]