Objectives: to analyze the factors associated with poor sleep quality, its characteristics and components in women with breast cancer prior to surgery for removing the tumor and throughout the follow-up. Method: longitudinal study in a teaching hospital, with a sample of 102 women. The following were used: a questionnaire for sociodemographic and clinical characterization, the Pittsburgh Slee...

A comparison of the Pittsburgh Sleep Quality Index, a new sleep questionnaire, and sleep diaries. Self-report retrospective estimates of sleep behaviors are not as accurate as prospective estimates from sleep diaries, but are more practical for epidemiological studies. Therefore, it is important to evaluate the validity of retrospective measures and improve upon them. The current study compared...

The Pittsburgh Sleep Quality Index (PSQI) measures sleep quality and disturbance retrospectively over a 1-month period using self-reports. Although the PSQI has been used in a variety of populations, published psychometric data are limited. The goal of this study was to examine psychometric properties of the PSQI among four populations: bone marrow transplant patients (n=155); renal transplant ...

objective: sleep complaints are common among iranian chemically-injured veterans. the growing body of research has investigated (in) equalities between such subjective complaints and objective sleep records. moreover, sleep complaints are associated with depressive symptoms. depressive symptoms, also, have been frequently reported in chemically-injured veterans. therefore, the purpose of this p...

  Background : There are a few studies to assess nurses’ sleep quality and sleepiness in the Iranian context. This study thus was carried out to examine the prevalence of sleepiness and sleep quality among nurses in South East of Iran.   Subjects and methods : The study applied a descriptive, explorative design.252 nurses randomly selected from Kerman University Hospitals during winter 2009. Us...

BACKGROUND Previous studies showed that social media is associated with sleep quality. WeChat (a native social media in China) is very popular in China, especially among the youth. In the second quarter of 2016, Tencent's WeChat had 806 million monthly active users. The study sought to identify the influence of WeChat on the sleep quality among undergraduate students. METHODS A cross-sectiona...

STUDY OBJECTIVES To determine the efficacy of a novel behavioral intervention, Tai Chi Chih, to promote sleep quality in older adults with moderate sleep complaints. DESIGN Randomized controlled trial with 16 weeks of teaching followed by practice and assessment 9 weeks later. The main outcome measure was sleep quality, as assessed by the Pittsburgh Sleep Quality Index (PSQI). SETTING Gener...

Purpose. To investigate sleep quality of hospital staff nurses, both by subjective questionnaire and objective measures. Methods. Female staff nurses at a regional teaching hospital in Northern Taiwan were recruited. The Chinese version of the pittsburgh sleep quality index (C-PSQI) was used to assess subjective sleep quality, and an electrocardiogram-based cardiopulmonary coupling (CPC) techni...