Introduction: Communication between mobile phones and antenna BTS (Base Transceiver station) is carried by electromagnetic waves that have energy, according to their nature. Increasing use of mobile phones because of the proliferation of antennas the concerns about them are proposed in society. In the present study the correlation between distance from the BTS antennas and the ...

Present study was designed to obtain association between sleep apnea with sleep quality and quality of life in COPD patients. This cross-sectional descriptive study was conducted on 139 patients with COPD in a chest clinic of a university hospital. All patients were evaluated by pulmonary function test for determination of severity of their disease. Also, Berlin questionnaire, Epworth sleepines...

Background: 79% of the pregnant women suffer from sleep disorders and 70% of pregnant women have some of the depression symptoms. These disorders are the result of physiological changes, hormonal, physical, pregnancy which occur from different causes and can affect disorders before, during and after childbirth be involved in causing depression and may be aggravated by disregarding health behavi...

Background: 79% of the pregnant women suffer from sleep disorders and can affect disorders before, during and after childbirth can be involved in causing depression during pregnancy, according to studies the poor quality of sleep in the second trimester of pregnancy is directly related to depressive symptoms in late pregnancy,Also gender difference may have a role in depression. This study aime...

Purpose: This study was conducted to determine the prevalence of dysmenorrhea and relationship between sleep quality. 
 Materials Methods: a cross-sectional study. A total 250 volunteer female university students, who met inclusion criteria, participated in this To collect data questionnaire form, Visual Analog Scale (VAS) Pittsburgh Sleep Quality Index (PSQI) were used. Results: The stude...

Few studies have examined relationships among neurophysiological, psychological, and behavioral factors with regard to their effects on sleep quality. We used a structure equation model to investigate behavioral and psychological factors that influence neurophysiological regulation of sleep in shift workers. Using a cross-sectional study design, we tested the model with a sample of 338 female n...

background & aim: the aim of this clinical trial study was to evaluate sleep quality in patients with chronic lung disease and the role of controlled breathing to improve the quality of sleep. methods & materials: sixty-four patients with chronic lung disease in two group (experimental and control group) enrolled in a 7 weeks. before interventions, the pittsburgh sleep quality index (psqi) and ...