The long-term impact of the COVID-19 infection on mental health in people and its relation to the severity is unclear. We aimed to study the long-term effect of post-COVID-19 disease on sleep and mental health and to detect possible relationship between severity of COVID-19 at onset and sleep and mental illness. We enrolled 182 participants 6 months post COVID-19 infection and grouped into non-severe(101),severe(60) and critical(20) according to according to WHO guidance. All participants were assessed using Pittsburgh Sleep Quality Index ", Post traumatic stress disorder (PTSD) Checklist for DSM-5, and Symptom Checklist90 test. Only 8.8% had no psychiatric symptoms while 91.2% had psychiatric symptoms as follow (poor sleep (64.8%), PTSD (28.6%), somatization (41.8%), obsessive-compulsive (OCD) (19.8%), depression (11.5%), anxiety (28%), phobic-anxiety (24.2%), psychoticism (17.6%)). Diabetes, oxygen support or mechanically ventilated were a risk for sleep impairment, while high Neutrophil/lymphocyte ratio (NLR) was the only risk factor for PTSD. Other psychiatric illnesses had several risk factors: being female, diabetes, oxygen support or mechanically ventilated. Abnormal sleep, somatization and anxiety are the most common mental illnesses in Post-Covid19. The critical group is common associated with PTSD, anxiety, and psychosis. Being female, diabetic, having oxygen support or mechanically ventilated, and high NLR level are more vulnerable for mental illness in post COVID19.

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Background Amid the coronavirus crisis, many aspects of children's lives had been compromised, among which were their sleep habits. The current study aimed to examine children's sleep habits and the children's knowledge of the pandemic and its impact on their quality of life during the COVID-19 pandemic. Using observational cross-sectional analysis based on web-based questionnaires and face-to-face interviews, Parents completed the children's sleep habits questionnaire (CSHQ) and the pediatric quality of life inventory (PedsQL-P), and the questionnaire regarding their children's knowledge about COVID-19. Results Among the total sample (n = 259), Children below the age of 6 (n = 52) showed statistically significant higher scores in the bedtime resistance, delayed sleep onset, and sleep anxiety subscales, while those older than the age of 12 (n = 50) showed a higher score in the sleep duration problem subscale and lower scores of physical, emotional and psychological functions. Finally, (71.4%) of the study population showed a high level of knowledge about the infectivity of the coronavirus and the fact that it is a pandemic. Conclusions Sleep problems are common among Egyptian children during the COVID-19 pandemic and have a significant impact on their quality of life.