Background‎: The relationship between substance use and sleep is bidirectional. Substance use directly causes sleep disturbances, and sleep problems are a critical factor in substance-use relapse. Methods: This study evaluated sleep disorders in 65 methadone maintenance treatment (MMT) patients, and 61 opium-dependent patients who did not receive any treatment between September 2011 and July 20...

OBJECTIVE to evaluate sleep quality and daytime sleepiness of residents and medical students. METHODS we applied a socio-demographic questionnaire, the Pittsburgh Sleep Quality Index (PSQI) and the Epworth Sleepiness Scale (ESS) to a population of residents and medical students. RESULTS hundred five residents and 101 undergraduate medical students participated. Residents presented higher me...

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...

BACKGROUND Sleep is considered as one of the most important factors, directly influencing mental and physical health components. In the last decade, low sleep quality - i.e. poor sleep - has become one of the major problems of the individuals, especially in middle-aged women. Low quality sleep also directly influences memory, functional components, nutrition, and mood. OBJECTIVES This study a...

background and purpose: identification of the effects of sleep disturbances on the quality of life could result in proper treatment of patients with heart failure. this study aimed to investigate the relationship between sleep disorders and erectile dysfunction, depression and quality of life in male patients with systolic heart failure. methods: this correlational study was conducted on 100 ma...

INTRODUCTION The Pittsburgh Sleep Quality Questionnaire is capable of covering different stages of sleep, and it is regarded as one of the best ones available, and checking for its validity and reliability among depressed patients is a step in this direction. The aim of this study was to evaluate the reliability and validity of the Persian version of the Pittsburgh Sleep Quality Index (PSQI) an...

conclusions sleep quality showed a poorer profile than sexual function. therefore, more emphasis should be laid on treatment of sleep disparity during follow up of mmt patients comparing to their sexual function. patients should be reassured that probable sexual dysfunctions should not be regarded as a consequence of mmt. results mean ± sd age of the subjects was 41.2 ± 7.9 years and 93.4% of t...

objective: to evaluate and describe the sleep quality in seven subscales among the patients with mild traumatic brain injury (tbi) and compare it with normal patterns. methods: this cross-sectional study was conducted within a 6-month period from february to august 2014 in shahid rajaei trauma center of shiraz. participants were selected randomly from all adult (18-60 years of age) patients adm...

OBJECTIVES To test whether individual differences in gratitude are related to sleep after controlling for neuroticism and other traits. To test whether pre-sleep cognitions are the mechanism underlying this relationship. METHOD A cross-sectional questionnaire study was conducted with a large (186 males, 215 females) community sample (ages=18-68 years, mean=24.89, S.D.=9.02), including 161 peo...