In stroke patients particularly, many factors, such as sleep-related respiratory disturbances, can impair sleep. Cheap and easy-to-use tools have been created to identify sleep quality and sleep disturbances in patients after stroke. This study described the scores of the sleep apnea screening questionnaire - STOP-BANG - in patients after a stroke, and correlated the findings with sleep quality...

Sleep problems are often under-diagnosed, but may have a profound impact on work performance. The purpose of this study was to validate the Dutch version of the Occupational Impact of Sleep Questionnaire (OISQ). A total of 555 adults with a regular daytime job completed the OISQ. In addition, they also completed the Pittsburgh Sleep Quality Index (PSQI), Epworth Sleepiness Scale (ESS) and the S...

background and objective : restless legs syndrome (rls) is a sleep disorder with an association to sleep quality. we investigated the sleep quality in patients with rls among health-care workers with or without shift work. materials and methods : all female health-care workers (n = 540) in four educational hospitals were enrolled in this cross-sectional study. international rls study group (irl...

background: sleep disorders are common among patients with chronic heart failure (hf), and it can have a significant effect on patients’ daily activities as well as their health. the purpose of this study was to assess sleep quality and its predictors in iranian patients with chronic hf.   methods : this cross-sectional study was conducted on a sample of 200 patients with hf in two hospitals of...

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 The Pittsburgh Sleep Quality Index (PSQI) and the Epworth Sleepiness Scale (ESS) are questionnaires used to assess sleep quality and excessive daytime sleepiness in clinical and population-based studies. The present study aimed to evaluate the construct validity and factor structure of the PSQI and ESS questionnaires among young adults in four countries (Chile, Ethiopia, Peru and Tha...

The purpose of this study was to examine the structural validity of the Pittsburgh Sleep Quality Index (PSQI) in Chinese undergraduate students. A cross-sectional questionnaire survey with 631 Chinese undergraduate students was conducted, and the questionnaire package included a measure of demographic characteristics, PSQI, Chinese editions of Center for Epidemiologic Studies-Depression, State-...

background variations in diurnal preferences for activity and sleep are classified as morning and evening chronotypes. morning and evening-type individuals differ regarding a number of psychological and biological variables such as sleep. objectives the current study aimed to investigate the relationship between chronotypes and sleep quality. patients and methods in this descriptive, correlatio...

The objective of this study was to evaluate the alterations in sleep and circadian parameters during the aging process. The study sample comprises volunteers older than 18 up to 90 years of age that answered the Pittsburgh Sleep Quality Index (PSQI) and the Horne and Östberg circadian preference questionnaire. We observed that the shift to morningness with increasing age is associated with a si...

objective: sleep quality affects on physical and psychological well being and even academic functions of students. indeed, sleep quality has been suggested as an individual index of general health. among adolescents and young adults, poor sleep quality is common. the aim of this survey was to determine the sleep quality and its correlation with general health in 18-year-old iranian students. me...