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Higher #exercise levels link to better #sleep & reduced #stress, problem #internet use in 73238 Korean adolescents http://t.co/BxWWprNQQ8
Higher #exercise levels link to better #sleep & reduced #stress, problem #internet use in 73238 Korean adolescents http://t.co/BxWWprNQQ8
Higher #exercise levels link to better #sleep & reduced #stress, problem #internet use in 73238 Korean adolescents http://t.co/kG4ZIe4wZT
Associations of physical activity with sleep satisfaction, perceived stress, and problematic Internet use in Korean… http://t.co/0Zhu1JTJFt
Associations of physical activity with sleep satisfaction, perceived stress, and problematic Internet use in Korean… http://t.co/nm9g0QEE3z