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135 Newest Publications in sleep and biological rhythms
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Changes in sleep habits and knowledge after an educational sleep program in 12th grade students
24-04-2013 | Ivanise Cortez Sousa, Jane Carla Souza, Fernando Mazzilli Louzada, Carolina Virginia Macêdo Azevedo, Sleep and Biological Rhythms, 2013
Abstract The objective of this research was to evaluate the effect of an education program using the meaningful learning approach on sleep knowledge and habits of 12th grade students. Thirty‐four student volunteers (aged 16.8 ± 0.6 years) were divided into intervention (Sleep Education ...
Rapid changes in scores on the two largest principal components of the electroencephalographic spectrum demarcate the boundaries of drowsy sleep
22-04-2013 | Arcady A. Putilov, Olga G. Donskaya, Sleep and Biological Rhythms, 2013
Abstract Neurobiological mechanisms determining a possibility of parsimonious descriptions of the continuous sleep process as a sequence of a few all‐or‐nothing variables called “sleep stages” remain unknown. We tested a suggestion that stage 1 sleep (“drowsy sleep”) corresponds to a ...
An 8‐week, open‐label study to evaluate the effect of sertraline on the polysomnogram of depressive patients with insomnia
22-04-2013 | Bin Zhang, Yanli Hao, Xueli Li, Yanzhen Ren, Ping Zhou, Wuhan Liu, Sleep and Biological Rhythms, 2013
Abstract We want to evaluate the effect of sertraline on polysomnogram (PSG) and clinical variables in depression. An 8‐week and open‐label trial (n = 31) was applied. The primary outcome was mean baseline‐to‐visit changes in PSG variables. The secondary outcomes were clinical ...
Catamenial‐sleep epilepsy: A case report
11-04-2013 | Adrián Poblano, Reyes Haro, Gerson Angel‐Alavez, Sleep and Biological Rhythms, 2013
Abstract Our objective was to report the co‐occurrence of seizures during sleep and epilepsy during the menstrual period in a patient. We observed a 22‐year‐old woman with seizures during sleep; the seizures were related to menstruation. The episodes were of partial onset and secondarily ...
The effects of short afternoon nap and bright light on task switching performance and error‐related negativity
11-04-2013 | Kosuke Kaida, Yuji Takeda, Kazuyo Tsuzuki, Sleep and Biological Rhythms, 2013
Abstract The aim of the present study was to demonstrate the effects of a short nap (20 min) and bright light (>2000 lux) in the afternoon on task switching ability (i.e., switch cost and mixing cost) and error‐related negativity (Ne/ERN). The effects of a short nap and bright light on ...
Lipid peroxidation and DNA damage in apnea patients with or without metabolic syndrome
11-04-2013 | Sevgi Yardim‐Akaydin, Emel Caliskan‐Can, Firat Gökalp, Hikmet Firat, Sadik Ardiç, Bolkan Simsek, Sleep and Biological Rhythms, 2013
Abstract Oxidative stress is one of the pathophysiological pathways suggested for the development of cardiovascular diseases in obstructive sleep apnea. The recurrent nocturnal episodes of hypoxia/reoxygenation observed in patients with obstructive sleep apnea (OSA) appear to be partly ...
Impaired subjective sleep quality in irritable bowel syndrome patients with a Type D personality
11-04-2013 | Osman Yıldırım, Aytekin Alçelik, Fatih Canan, Gülali Aktaş, Mustafa Sit, Ahsen İşçi, Abdullah Yalçın, Edip E Yılmaz, Sleep and Biological Rhythms, 2013
Abstract We aimed to assess the effect of Type D personality on subjective sleep quality in patients with irritable bowel syndrome (IBS). Ninety‐seven patients and 39 healthy controls were enrolled. The Type D Scale (DS14), Pittsburgh Sleep Quality Index (PSQI), and Hospital Anxiety and ...
Perfectionism mediates the relationship between insomnia and depressive symptoms
11-04-2013 | Caterina Lombardo, Luca Mallia, Gemma Battagliese, Caterina Grano, Cristiano Violani, Sleep and Biological Rhythms, 2013
Abstract Empirical evidence indicates that persistent insomnia is a risk factor for developing depression. A personal variable shown to be related to both insomnia and depressive symptoms is perfectionism. However, results of previous studies do not allow to understand how perfectionism ...
Sleep‐state related EEG amplitude distribution in the rat model of cortical cholinergic innervation disorder
11-04-2013 | Jasna Saponjic, Jelena Petrovic, Aleksandar Kalauzi, Jelena Ciric, Katarina Lazic, Miodrag Radulovacki, David W Carley, Sleep and Biological Rhythms, 2013
Abstract We examined the effects of unilateral and bilateral nucleus basalis (NB) lesion in rat on sleep/wake states, and sleep/wake state‐related electroencephalographic (EEG) frequency relative amplitude distributions. We aimed this study to identify the possible EEG markers for the ...
Chronic sleep reduction in adolescents with Delayed Sleep Phase Disorder and effects of melatonin treatment
11-04-2013 | Annette Maanen, Julia F Dewald‐Kaufmann, Marcel G Smits, Frans J Oort, Anne Marie Meijer, Sleep and Biological Rhythms, 2013
Abstract Homeostatic and circadian changes that occur during adolescence can result in chronic sleep reduction. This may particularly be true for adolescents with Delayed Sleep Phase Disorder (DSPD), which is associated with late Dim Light Melatonin Onset (DLMO). This study assessed the ...
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