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Sleep Medicine

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https://www.readbyqxmd.com/read/29982092/validating-the-persian-adolescent-sleep-hygiene-scale-revised-ashsr-using-comprehensive-psychometric-testing-methods
#1
Chung-Ying Lin, Carol Strong, Andrew M H Siu, Shabnam Jalilolghadr, Per Nilsen, Anders Broström, Amir H Pakpour
BACKGROUND: This study translated the Adolescent Sleep Hygiene Scale-revised (ASHSr) into Persian and aimed to validate its psychometric properties using classical test theory and Rasch analyses. METHODS: Adolescents aged 14-18 (n = 389; 199 males) and their parents in Iran participated in the study. Each adolescent wore a wrist actigraphy device during sleep time and completed the ASHSr, the Depression Anxiety Stress Scale (DASS), the General Health Questionnaire (GHQ), the Pediatric Daytime Sleepiness Scale (PDSS), and the Pittsburgh Sleep Quality Index (PSQI)...
June 12, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29983241/the-mysteries-of-sleep-and-waking-unveiled-by-michel-jouvet
#2
Barbara E Jones
A great pioneer in sleep research, Michel Jouvet applied rigorous scientific methods to the study of sleep-wake states and associated changes in consciousness which, with his vivid imagination and creative mind, he unveiled as the mysteries of sleep and waking such as to inspire a generation of researchers in the field. His initial discovery of a third state distinguished from waking (W) and slow wave sleep (SWS) by the paradoxical association of W-like cortical activity with sleep-like behavior and muscle atonia that he accordingly called "paradoxical sleep" (PS) began his investigation over some 50 years of the mechanisms of these three sleep-wake states...
June 6, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29982086/the-insomnia-of-franz-kafka
#3
A Iranzo, A Stefani, B Högl, J Santamaria
OBJECTIVE: To characterize the insomnia suffered by Franz Kafka (1883-1924), one of the most important literary figures of the 20th century. METHODS: We read Kafka's diaries and private correspondence to his fiancée, friends, editors and relatives looking for references to his insomnia. RESULTS: We found 292 references to insomnia indicating that Kafka suffered from chronic insomnia disorder that originated from and was maintained by the following predisposing and precipitating factors: (1) a complex personality predisposing to an increased arousal level, (2) intrusive thoughts and ruminations at bedtime, (3) excessive worrying about sleep loss and its daytime consequences, and (4) an extraordinary intolerance to noise...
June 6, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29966808/relationship-between-sleep-patterns-sleep-problems-and-childhood-enuresis
#4
Jun Ma, Shenghui Li, Fan Jiang, Xingming Jin, Yiwen Zhang, Chonghuai Yan, Ying Tian, Xiaoming Shen, Fei Li
OBJECTIVE: Sleep dysfunction has been speculated to be involved in the pathological mechanism of nocturnal enuresis (NE). However, results obtained from previous studies were conflicting. This study evaluated and compared the sleep patterns and problems between children with and without nocturnal enuresis (NE) across different age and gender groups in a large epidemiological study. METHODS: A multi-center, cross-sectional, epidemiological study was carried out in which 21,439 primary school children (10,655 boys and 10,784 girls aged 5...
June 4, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29982090/the-association-of-sleep-duration-and-quality-with-all-cause-and-cause-specific-mortality-in-the-women-s-health-initiative
#5
Geoffrey C Kabat, Xiaonan Xue, Victor Kamensky, Oleg Zaslavsky, Katie L Stone, Karen C Johnson, Sylvia Wassertheil-Smoller, Aladdin H Shadyab, Juhua Luo, Lauren Hale, Lihong Qi, Jane A Cauley, Robert L Brunner, JoAnn E Manson, Thomas E Rohan
BACKGROUND/OBJECTIVE: Many studies have shown a U-shaped association of sleep duration with mortality; however, this association is difficult to interpret owing to possible reverse causation, residual confounding, and measurement issues. We used data from the Women's Health Initiative to examine the associations of sleep duration, insomnia, and use of sleep aids with death from cardiovascular disease (CVD), cancer, "other" causes, and all causes combined. METHODS: Cox proportional hazards models were used in the analysis of baseline data and in time-dependent analyses of repeated measures to estimate associations of sleep-related factors with mortality...
June 2, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29982091/pulse-wave-amplitude-and-heart-period-variability-in-children-with-upper-airway-obstruction
#6
X Liu, S A Immanuel, Y Pamula, J Martin, D Kennedy, M Kohler, M Baumert
OBJECTIVE: The aim of this study was to assess cardiovascular autonomic modulation in children with upper airway obstruction (UAO), to compare this modulation to that of non-snoring children and to investigate the effect of adenotonsillectomy (AT). METHODS: ECG and finger photoplethysmographic signals obtained from overnight polysomnographic (PSG) recordings of 31 children with mild-to-moderate UAO and 34 non-snoring children were analysed. The extent of autonomic modulation was assessed by symbolic analysis of heart period (HP), pulse wave amplitude (PWA), and their joint dynamics during non-rapid eye movement (NREM) sleep and rapid eye movement (REM) sleep...
June 1, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29982088/circadian-preference-and-sleep-timing-from-childhood-to-adolescence-in-relation-to-genetic-variants-from-a-genome-wide-association-study
#7
Ilona Merikanto, Jari Lahti, Liisa Kuula, Kati Heinonen, Katri Räikkönen, Sture Andersson, Timo Strandberg, Anu-Katriina Pesonen
OBJECTIVE: Recent genome-wide association studies (GWASs) have revealed new genetic variants behind self-reported individual circadian preference, a distinct biological trait that is fairly stable during adulthood. In this study we analyze whether these genetic variants associate with objectively measured sleep timing from childhood to adolescence, over a nine-year period, with self-reported circadian preference during late adolescence. METHODS: The participants (N = 100, 61% girls) came from a community cohort from Finland born in 1998...
June 1, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29982087/the-association-between-sleep-disturbance-and-second-hand-smoke-exposure-a-large-scale-nationwide-cross-sectional-study-of-adolescents-in-japan
#8
Hisayoshi Morioka, Maki Jike, Hideyuki Kanda, Yoneatsu Osaki, Sachi Nakagome, Yuichiro Otsuka, Yoshitaka Kaneita, Osamu Itani, Susumu Higuchi, Takashi Ohida
OBJECTIVE: This study investigated the association between secondhand-smoke (SHS) exposure and sleep disturbance symptoms. METHODS: This study was a cross-sectional survey of junior and senior high school students throughout Japan. A total of 85,931 adolescents responded, and 84,988 questionnaires were included in the analysis. RESULTS: Adolescents who had never smoked accounted for 88.0% of respondents; among that group 39.1% reported having been exposed to SHS over the previous week...
June 1, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29966810/prospective-associations-between-sleep-problems-and-subtypes-of-anxiety-symptoms-among-disaster-exposed-adolescents
#9
Fulei Geng, Xianchen Liu, Yingxin Liang, Xuliang Shi, Siyi Chen, Fang Fan
OBJECTIVE: This study aimed to investigate longitudinal relationships between sleep problems and subtypes of anxiety symptoms among adolescent earthquake survivors. METHODS: Participants were 1573 adolescents (male, 45.8%; mean age at baseline 15.01 years, standard deviation (SD) = 1.26) in the Wenchuan Earthquake Adolescent Health Cohort. The Pittsburgh Sleep Quality Index and the Screen for Child Anxiety Related Emotional Disorders were used to assess participants' sleep problems and anxiety symptoms four times during 2...
June 1, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29966809/hypersomnia-due-to-injury-of-the-lower-ventral-ascending-reticular-activating-system-in-a-patient-with-intraventricular-hemorrhage
#10
Sung Ho Jang, Young Hyeon Kwon
No abstract text is available yet for this article.
June 1, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29982089/sleep-and-psycho-behavioral-problems-in-internally-displaced-children-in-georgia
#11
Irine Sakhelashvili, Marine Eliozishvili, Nikoloz Oniani, Nato Darchia, Oliviero Brunic
OBJECTIVE: The aim of this study was to examine sleep and psycho-behavioral variables in Georgian Internally Displaced (ID) Children and their population-based controls. METHODS: One hundred and sixty one children (10.85 ± 0.9) from ID families escaped from Shida Kartli, Georgia, and 161 non-ID children (10.94 ± 0.9) were studied after seven years of displacement. Children completed the Pre-Sleep Arousal Scale, Buss-Perry Aggression Questionnaire (BPAQ), Children's Depression Inventory (CDI), and the Child Trauma Screening Questionnaire (CTSQ)...
May 29, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29966807/prevalence-of-sleep-problems-and-sleep-related-characteristics-in-preschool-and-school-aged-children-with-cerebral-palsy
#12
Linda Horwood, Elise Mok, Patricia Li, Maryam Oskoui, Michael Shevell, Evelyn Constantin
OBJECTIVES: To determine, in preschool- and school-aged children with cerebral palsy (CP): (i) the prevalence of sleep disorders, including disorders of initiation and maintenance of sleep, and (ii) the association between child characteristics and sleep disorders. METHODS: Children with CP aged 3-12 years were recruited from neurology clinics and a provincial CP registry. Caregivers completed the Sleep Disturbance Scale for Children (SDSC) and a questionnaire on sleep-related characteristics...
May 24, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29957485/the-paradigm-of-obstructive-sleep-apnea-in-aging-interactions-with-telomere-length
#13
EDITORIAL
Priscila F Tempaku, Sergio Tufik
No abstract text is available yet for this article.
May 24, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29908426/physical-activity-and-sleep-problems-in-38-low-and-middle-income-countries
#14
Davy Vancampfort, Brendon Stubbs, Lee Smith, Mats Hallgren, Joseph Firth, Matthew P Herring, Michel Probst, Ai Koyanagi
OBJECTIVE: Although physical activity (PA) is associated with a reduction of a wide range of sleep problems, it remains uncertain whether complying with the international guidelines of 150 min of moderate to vigorous PA per week can reduce sleep problems in adults. This research investigated the relationship between compliance with the PA recommendations of the World Health Organization and sleep problems in 38 low- and middle-income countries (LMICs). METHODS: Cross-sectional, community-based data from the World Health Survey were analyzed...
May 24, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29907415/the-interrelationship-of-sleep-and-depression-new-answers-but-many-questions-remain
#15
EDITORIAL
Michael V Vitiello
No abstract text is available yet for this article.
May 24, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29960212/correspondence-of-maternal-and-paternal-perception-of-school-aged-children-s-sleep-with-in-home-sleep-electroencephalography-and-diary-reports-of-children-s-sleep
#16
Natalie Urfer-Maurer, Serge Brand, Edith Holsboer-Trachsler, Alexander Grob, Peter Weber, Sakari Lemola
OBJECTIVE: Parents are often the first to report children's sleep difficulties. The aim of the present study was to evaluate the accuracy of parent reports by examining the correspondence of maternal and paternal reports of children's sleep with in-home electroencephalography (EEG) sleep assessment and sleep diary reports. METHODS: A total of 143 children (57 formerly very preterm born children) aged 7-12 years underwent one night of in-home sleep-EEG; mothers and fathers reported children's sleep-related behavior by using the German version of the Children's Sleep Habits Questionnaire, and children and parents together completed a sleep diary of children's sleep...
May 21, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29960211/-sleep-disordered-breathing-and-ecg-r-wave-to-radial-artery-pulse-delay-the-multi-ethnic-study-of-atherosclerosis
#17
Younghoon Kwon, David R Jacobs, Pamela L Lutsey, Lyndia Brumback, Julio A Chirinos, Sara Mariani, Susan Redline, Daniel A Duprez
BACKGROUND: Electrocardiography R-wave to radial artery pulse delay (RRD) represents pulse transit time inclusive of pre-ejection period (PEP) and arterial pulse propagation time. RRD is proposed to largely reflect arterial stiffness when PEP is accounted for (shorter RRD = higher arterial stiffness). Sleep disordered breathing (SDB) causes intermittent hypoxemia and sympathetic activation, which negatively influences vascular function. We aimed to examine the association of measures of SDB with RRD...
May 21, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29960213/overweight-and-obese-children-with-sleep-disordered-breathing-have-elevated-arterial-stiffness
#18
Lisa M Walter, Knarik Tamanyan, Albert P Limawan, Sarah N Biggs, Aidan J Weichard, Margot J Davey, Gillian M Nixon, Rosemary S C Horne
BACKGROUND: The prevalence of obese children with sleep disordered breathing (SDB) is increasing. Obesity and SDB are independent cardiovascular risk factors, of which arterial stiffness is an early sign. Pulse wave velocity (PWV), is a marker of arterial stiffness and central systolic blood pressure (cSBP) is a better predictor of cardiovascular outcome than peripheral blood pressure. Therefore, we aimed to determine PWV and cSBP in overweight/obese or normal weight children with sleep disordered breathing (SDB), and non-snoring normal weight controls...
May 19, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29906628/sleep-disorders-in-children-with-incidental-pineal-cyst-on-mri-a-pilot-study
#19
Lourdes M DelRosso, Kenneth Martin, Oliviero Bruni, Raffaele Ferri
INTRODUCTION: For several years, pineal cysts have been considered an incidental finding on brain MRI's even though research and case reports have shown a possible association of pineal cysts with headaches and sleep disturbances. This pilot study aims to evaluate sleep disorders in school-age children with an incidental pineal cyst in an otherwise normal brain MRI. METHOD: Children aged 6-12 years, who were referred for evaluation of headaches, tics, or syncope, and had an incidental pineal cyst on an otherwise normal brain MRI were included and compared to a control group of children with the same referral reasons but with a normal MRI and to a cohort of normal controls...
May 16, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29859478/association-of-sleep-disordered-breathing-with-severe-chronic-vascular-disease-in-patients-with-type-2-diabetes
#20
Stefan Stadler, Shabnam Jalili, Andreas Schreib, Bettina Jung, Florian Zeman, Carsten A Böger, Iris M Heid, Michael Arzt
BACKGROUND: Severe chronic vascular disease (CVD) is a major cause of co-morbidity and mortality in patients with type 2 diabetes (DM2). Sleep-disordered breathing (SDB) has been linked to CVD in the general population due to enhanced sympathetic activation, oxidative stress, endothelial dysfunction, and hypertension; however data for DM2 patients is scarce. Therefore, the aim of the present analysis to assess whether SDB is associated with CVD in patients with DM2, independent of other known associated factors...
May 14, 2018: Sleep Medicine
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