نتایج جستجو برای: sleep pattern
تعداد نتایج: 457117 فیلتر نتایج به سال:
seizure is the most common neurologic disorder in the pediatric age. obtaining thorough history and performing complete examination as well as electroencephalography (eeg) are very important in confirming the diagnosis and finding the cause. epileptiform activity may be enhanced by activating procedures including sleep deprivation. in this study we performed short duration (up to 8 hours) sleep...
background and objective: sleep-disordered breathing (sdb) is associated with increased morbidity and mortality in patients with heart failure (hf). we assessed the prevalence and the pattern of sdb in hf patients who were candidates for heart transplantation. materials and methods: twenty heart transplantation patients with ventricular ejection-fraction < 25% were recruited consecutively in a ...
background and objective : poor sleep, poor quality of sleep and sleepiness are among the common problems as-sociated with learning, memory and educational performance in children and adolescents. considering the lack of pre-vious literature in this field, especially in the city of yazd, iran, a number of high-school students of the city participat-ed in a study to assess sleep problems and inf...
The effects on sleep pattern ('short-sleep' versus 'long-sleep') and subjective sleep disturbance of genotype, personality, symptoms of anxiety and depression, and lifestyle, were examined using survey data on a clinically unselected sample of adult Australian twin pairs, aged 17-88 years. When the effects of genotype, personality and symptoms were ignored, lifestyle variables appeared to accou...
Homeostatic rebound in rapid eye movement (REM) sleep normally occurs after acute sleep deprivation, but REM sleep rebound settles on a persistently elevated level despite continued accumulation of REM sleep debt during chronic sleep restriction (CSR). Using high-density EEG in mice, we studied how this pattern of global regulation is implemented in cortical regions with different functions and...
A single dose of melatonin prevents the phase delay associated with a delayed weekend sleep pattern.
STUDY OBJECTIVES This study was designed to test the hypotheses that a delayed weekend sleep pattern may lead to a phase delay of the endogenous circadian rhythm, and that melatonin administration can counteract the phase delay and prevent the sleep and functional impairments associated with this sleep pattern. DESIGN A within-subject, counterbalanced design was used in which each subject par...
The authors evaluated basic sleep architecture and non-rapid eye movement (NREM) sleep alterations in drug-naïve attention-deficit/hyperactivity disorder (ADHD) children without psychiatric or other comorbidities. This cross-sectional case-control study included 28 drug-naïve children with ADHD and 15 healthy controls. This subjective studies revealed that children with ADHD had a worse sleep q...
Background and purpose: Sleep plays a major role in maintaining health and improving academic performance and behavior in adolescents. Studies on the relationship between diet and sleep quality are not consistent. The aim of this study was to investigate the association between sleep quality and consumption of macronutrients and micronutrients in adolescents. Materials and methods: A cross-sec...
Introduction: Due to the nature of nursing practice, nurses face a variety of stressful situations in the workplace. They are at risk of insomnia since they work irregularly in the morning, evening and night shifts. The irregular sleep-wake pattern in nurses decreases their sleep quality and sleep duration, and also leads to their poor occupational performance. The present study was conducted t...
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