Psychiatry Investig.  2022 Aug;19(8):637-645. 10.30773/pi.2021.0342.

Sleep and Mental Health Among Adolescents During the COVID-19 Pandemic

  • 1Department of Public Health, Graduate School, Yonsei University, Seoul, Republic of Korea
  • 2Department of Healthcare Management, Graduate School of Public Health, Yonsei University, Seoul, Republic of Korea
  • 3Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea


This study aimed to investigate the association of sleep with mental health among Korean adolescents during the coronavirus disease (COVID-19) pandemic.
Using data from the 16th Korea Youth Risk Behavior Web-Based Survey (2020) of 46,475 adolescents, we examined sleep duration and satisfaction and examined mental health for depressive symptoms, anxiety, and suicidal ideation. The data were analyzed using complex sample descriptive statistics and a multiple logistic regression model.
In 2020, the average sleep duration was 6.3 hours, and the sleep satisfaction rate was 30.8%. Depressive symptom and suicidal ideation rates were 24.2 and 10.3, respectively. These values are slightly better than those previously reported, before COVID-19. However, poor sleep was still associated with mental health. The likelihood of mental health problems was higher among those who slept for six hours or less than for those who slept for eight hours or more (p<0.05). Additionally, the results showed that the lower the sleep satisfaction, the higher the likelihood of mental health problems (p<0.05).
Even after the COVID-19 outbreak, poor sleep associated with mental health problems remained as high as before the outbreak of COVID-19.


Sleep; Depressive symptom; Anxiety; Suicidal ideation; Adolescent
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