background pittsburgh sleep quality index (psqi) is one of the most important instruments frequently used to assess sleep quality. this questionnaire is used to assess sleep styles and quality in adults through seven dimensions. objectives the study aims to investigate the reliability, validity and factor structure of the persian version of psqi. materials and methods a survey method with quant...

background and objective : sleep disorders are common medical problems in most of the communities. however, medical students and general practitioners (gps) do not have enough information about sleep disorders. the aim of this study was to assess the level of knowledge, attitude, and practice of gps in the field of sleep disorders in iran. materials and methods : in this cross-sectional questio...

one of the leading causes of death and disability in the middle east is road traffic accidents. there are multiple factors that cause these traffic accidents, and the most important of which is fatigue, drowsiness and lack of concentration. the risk of road traffic accidents due to sleepiness, which were reported by police, increased by more than sevenfold in low alertness hours during circadia...

ône-third of population deal with sleep disorders which might be due to social, economic or medical problems. studies on twins have indicated the role of genetic factors in these disorders. monozygotic twins have a very similar hypnogram. â higher prevalence of some sleep disorders is reported in relatives of the patients with these disorders. genes also affect sleep disorders as well as some o...

purpose: to investigate associations between computer use data and sleep quality among university students. materials and methods: this descriptive, cross-sectional study was performed on 312 students of tehran university of medical sciences, iran. data was collected using epworth sleepiness scale (ess), insomnia severity index (tsi), pittsburgh sleep quality index (psqi), and a background and ...

conclusions the study findings highlight the importance of the mental aspect of fatigue in this working group. these results have possible implications for workers’ health and well-being and for the design of shift work systems, for industrial workers. background shift work is a well-recognized occupational health hazard in both industrialized and industrially developing countries. prolonged wo...

conclusions the results showed that despite the simultaneous high prevalence of sleep disturbances and sensory processing disorders in children with autism, there isn’t a significant relationship between the two conditions among these children. background autism is a neurological disorder that limits communication, socialization, and participation of children in symbolic play. sensory processin...

objectives this study aims to detect the effect of selected aerobic exercises on sleep quality in non-athlete middle-aged women. materials and methods fifteen non-athlete middle-aged women participated in this study, all of them suffered from insomnia. pittsburgh questionnaire was used for determining sleep quality in this sample. four indices including sleep duration, sleep disturbance, sleep ...

both at11th edition of the international classification of diseases (icd-11) and in fifth edition of the diagnostic and statistical manual of mental disorders (fifth edition-dsm-5), have pointed out that attitudes and quality of sleep can be seriously impaired by post-traumatic stress disorder (ptsd). the present study was conducted to compare hostility and sleep disorders among nursing student...

results before the intervention, there were no significant differences between mothers in two groups (p > 0.05). after 8 weeks follow up, a significant improvement appeared in mothers’ sleep quality in the intervention group. aromatherapy increased sleep quality mean score (±sd) from 8.2911 (± 2.1192) to 6.7975 (± 2.3663) (p < 0.05), but in the control group sleep quality mean score (±sd) chang...