Association between single-person household wage workers in South Korea and insomnia symptoms: the 6th Korean Working Conditions Survey (KWCS).

According to the National Interest Disease Statistics from the National Health Insurance Service of Korea, the population seeking medical attention for insomnia symptoms in 2022 amounted to approximately 720,000, exhibiting an increasing trend. 9 Studies on insufficient sleep duration have revealed that sleeping for less than 6 hours is associated with self-reported sleep disorders or insomnia, overexertion, and exhaustion. 10 Sleep disorders are known to have several negative health effects, including impaired attention and concentratio

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