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Showing 2 results for Sleep Quality
Espahbodi F (md), Emami Zeydi A (msc), Gholipour Baradari A (md), Khademloo M (phd),
Volume 13, Issue 2 (7-2011)
Abstract
Background and Objective: Poor sleep quality is common among hemodialysis patients and can potentially predict morbidity, mortality and quality of life in these patients. On the other hand, hemodialysis patients are encountered with vitamin C deficiency. The purpose of this study was to determine the effect of intravenous vitamin C on sleep quality in hemodialysis patients.
Materials and Methods: In this double blind randomized clinical trial, 60 qualified hemodialysis patients were gone under investigation in Sari a city located in North of Iran during 2010. Patients randomly allocated in two equal intervention and control groups. The main measured outcome was the Pittsburg sleep quality index (PSQI) which consists of seven components. At the end of each hemodialysis session, Intervention group received vitamin C vial (500mg/5cc) intravenously, three times a week for 8 weeks and control group received normal saline in a same way. Data were collected at pretreatment and after two months of treatment. Data were analyzed by Independent t test, Paired t test, Wilcoxon and Chi-Square tests.
Results: The result indicated that the sleep quality improves significantly in vitamin C group but not in control group (P<0.001). Vitamin C caused significant improvement in subjective sleep quality, sleep latency, habitual sleep efficiency and sleep disturbances in intervention group (p<0.05). Also, Global PSQI score of intervention group had a greater improvement than control group. Moreover vitamin C caused significant improvement in subjective sleep quality, sleep latency, habitual sleep efficiency and sleep disturbances in intervention group after treatment (p<0.05).
Conclusion: This study showed that intravenous vitamin C can effectively improve sleep quality in hemodialysis patients.
Navid Mohammadi , Kiana Aslani Mehr , Abbas Allami ,
Volume 27, Issue 1 (3-2025)
Abstract
Background and Objective: The widespread use of digital devices by children has become a significant threat to global health. This study was conducted to evaluate the correlation among screen time, sleep quality, and overweight in preschool children.
Methods: This descriptive-analytical study was conducted on 100 preschool children (46 boys and 54 girls) aged 3 to 6 years and their parents in the city of Qazvin, Iran during 2019-2020. Data were collected using interviews and the Factors Associated with Screen Time in Iranian Children and Adolescents Questionnaire (Mozafarian et al., 2017).
Results: Seventy-six percent of the children were the firstborn in their families. The mean cumulative screen time for the children was four hours per day. Fifty percent of the parents did not adequately supervise their child’s television screen time at home. A statistically significant positive correlation was found between body mass index (BMI) and television screen time duration (r=0.24, P=0.01). With an increase in the children’s cumulative screen time, a statistically significant decrease was observed in the child’s sleep duration (r=−0.21, P=0.04). Although mothers had a significantly higher mean screen time compared to fathers (P<0.001), children’s television screen time exhibited a statistically significant correlation with their fathers’ television screen time (r=0.23, P=0.002).
Conclusion: The mean screen time for preschool children is high. Furthermore, the mean screen time is associated with children’s decreased sleep duration and increased BMI.
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