BACKGROUND Illicit drug use/dependence has been recognized as a major problem. Clinical studies demonstrate that poor sleep quality is associated with increased frequency of drug use and relapse. However, few studies have addressed the issue of sleep quality among illicit drug dependent subjects. METHODS This cross-sectional study explored sleep quality in drug dependent subjects in China. We...

background and objective : morningness–eveningness (me) refers to the individual differences in diurnal inclination, sleep-wake pattern for activity, and vigilance in the morning and evening. quantitative and qualitative components of sleep can be measured through its quality. this study aimed to evaluate the association of me chronotype with sleep quality and insomnia in students. materials an...

PURPOSE Poor sleep quality has an unfavorable impact on autonomic nervous system activity, especially that of the cardiovascular (CV) system. The heart rate (HR) and blood pressure (BP) at rest and during exercise, along with the heart rate recovery (HRR), were examined in poor sleepers and compared with individuals with good sleep quality. METHODS A total of 113 healthy individuals were enro...

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...

Personality is a trait that affects behavior and lifestyle, and sleep quality is an important component of a healthy life. We analyzed the association between personality traits and sleep quality in a cross-section of 1,406 young women (from 18 to 40 years of age) who were not reporting clinically meaningful depression symptoms. Surveys were carried out from December 2011 to February 2012, usin...

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...

OBJECTIVE Sleeping disorders are common among Haemodialysis-HD patients. In addition to well-known factors, food consumption impact on sleep quality needs being discovered. Aim was to examine the nutrition-related factors that may influence sleep quality in HD patients. METHODS One hundred and three patients in three HD centres participated. Data were collected with Pittsburgh Sleep Quality I...

BACKGROUND/AIM With an increase in life expectancy, women live about one-third of their lives in the postmenopausal period. Our aim was to investigate the findings regarding quality of sleep and sleep apnea in postmenopausal women and research the relationship between sleep complaints and body measurements. MATERIALS AND METHODS The Pittsburgh Sleep Quality Index (PSQI) was administered to al...

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...

OBJECTIVE Objective and self-reported sleep are only moderately correlated and it is uncertain if these two types of sleep measures are associated with distinct biological and psychological outcomes. METHODS Participants were 119 healthy women aged 26years on average. Cortisol and blood pressure assessed over one day were the measures of biological function. Psychological variables included o...