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sleep in adolescents

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https://www.readbyqxmd.com/read/28225580/real-time-multislice-mri-during-continuous-positive-airway-pressure-reveals-upper-airway-response-to-pressure-change
#1
Weiyi Chen, Emily Gillett, Michael C K Khoo, Sally L Davidson Ward, Krishna S Nayak
PURPOSE: To determine if a real-time magnetic resonance imaging (RT-MRI) method during continuous positive airway pressure (CPAP) can be used to measure neuromuscular reflex and/or passive collapsibility of the upper airway in individual obstructive sleep apnea (OSA) subjects. MATERIALS AND METHODS: We conducted experiments on four adolescents with OSA and three healthy controls, during natural sleep and during wakefulness. Data were acquired on a clinical 3T scanner using simultaneous multislice (SMS) RT-MRI during CPAP...
February 22, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28220585/sleep-duration-is-associated-with-body-fat-and-muscle-mass-and-waist-to-height-ratio-beyond-conventional-obesity-parameters-in-korean-adolescent-boys
#2
Ga Eun Nam, Kyungdo Han, Do Hoon Kim, Jee Hyun Lee, Won Hee Seo
While evidence has supported a strong association between sleep duration and obesity globally, results from studies of children and adolescents have been conflicting, and information about a sex-specific association has been limited. This study aimed to investigate the association of sleep duration with various parameters of obesity among South Korean adolescents. This population-based, cross-sectional study analysed the data obtained from the Korea National Health and Nutrition Examination Surveys (KNHANES) 2009 and 2010...
February 21, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28218719/smart-device-use-and-perceived-physical-and-psychosocial-outcomes-among-hong-kong-adolescents
#3
Stephen Wai Hang Kwok, Paul Hong Lee, Regina Lai Tong Lee
Excessive electronic screen-based activities have been found to be associated with negative outcomes. The aim of this study was to investigate the prevalences and patterns of smart device activities and the purposes and perceived outcomes related to smart device use, and the differences in patterns of smart device activities between adolescents who did and did not perceive these outcomes. The study was a cross-sectional survey of Hong Kong primary and secondary school students. Demographic characteristics, purpose and pattern of the activities, and frequencies of the outcomes were measured...
February 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28216583/effects-of-sleep-quality-on-the-association-between-problematic-mobile-phone-use-and-mental-health-symptoms-in-chinese-college-students
#4
Shuman Tao, Xiaoyan Wu, Yukun Zhang, Shichen Zhang, Shilu Tong, Fangbiao Tao
Problematic mobile phone use (PMPU) is a risk factor for both adolescents' sleep quality and mental health. It is important to examine the potential negative health effects of PMPU exposure. This study aims to evaluate PMPU and its association with mental health in Chinese college students. Furthermore, we investigated how sleep quality influences this association. In 2013, we collected data regarding participants' PMPU, sleep quality, and mental health (psychopathological symptoms, anxiety, and depressive symptoms) by standardized questionnaires in 4747 college students...
February 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28216256/kleine-levin-syndrome
#5
REVIEW
Olufunke Afolabi-Brown, Thornton B A Mason
Kleine-Levin syndrome (KLS) is a rare disorder characterized by discrete episodes of hypersomnia associated with cognitive and behavioural abnormalities, as well as normal alertness and function between episodes. The prevalence of KLS may be underestimated as it is often misdiagnosed and managed as another sleep disorder, neurological disorder or psychiatric condition. KLS is more typically seen in adolescence than at other ages, and is more common in males than in females. There are currently neither standard biomarkers nor specific imaging study findings, making the diagnosis of KLS a challenge...
December 23, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28215271/effect-of-sleep-extension-on-sluggish-cognitive-tempo-symptoms-and%C3%A2-driving-behavior-in-adolescents-with-chronic-short-sleep
#6
Annie A Garner, Ashley Hansen, Catherine Baxley, Stephen P Becker, Craig A Sidol, Dean W Beebe
OBJECTIVE/BACKGROUND: Few adolescents report obtaining adequate amounts of sleep. Correlational studies have linked adolescent short sleep with driving crashes and sluggish cognitive tempo (SCT), a cluster of symptoms that include sluggishness and low persistence that are related to but distinct from inattention and sleepiness. The relationship between SCT and driving is understudied, and no study has experimentally examined the relationship between SCT and sleep. We examined the relationship between SCT and driving problems in a sample of chronically short-sleeping adolescents...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215269/is-there-an-association-between-short-sleep-duration-and-adolescent-anxiety-disorders
#7
Robert E Roberts, Hao T Duong
OBJECTIVE: The purpose of this study is to provide the first data on the prospective, reciprocal association between short sleep duration and DSM-IV anxiety disorders among adolescents. METHODS: A community-based two-wave cohort study included 4175 youths aged 11-17 years at baseline, with 3134 of these followed up a year later, drawn from a metropolitan area with a population of over 4 million. Anxiety is defined as any DSM-IV anxiety disorder in the past year generalized anxiety: panic disorder, agoraphobia without panic, social phobia, and post-traumatic stress disorder...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215265/intrinsic-and-extrinsic-predictors-of-video-gaming-behaviour-and-adolescent-bedtimes-the-relationship-between-flow-states-self-perceived-risk-taking-device-accessibility-parental-regulation-of-media-and-bedtime
#8
Lisa J Smith, Michael Gradisar, Daniel L King, Michelle Short
How computer games affect the time at which adolescents go to bed is of growing research interest; however, the intrinsic individual and extrinsic sociocultural factors mediating the relationship between gaming and sleep have received minimal attention. This paper investigates how gaming duration mediates the relationship between intrinsic factors (perception of risky events and flow) and extrinsic factors (parental regulation and media accessibility) and adolescent bedtime. Adolescents (N = 422; age = 16...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215263/sleep-disordered-breathing-systemic-adipokine-secretion-and-metabolic-dysregulation-in-overweight-and-obese-children-and-adolescents
#9
Annelies Van Eyck, Kim Van Hoorenbeeck, Benedicte Y De Winter, Luc Van Gaal, Wilfried De Backer, Stijn L Verhulst
OBJECTIVE: Obstructive sleep apnea (OSA) is common among overweight and obese children, and it is an independent risk factor for developing metabolic syndrome. However, the mechanisms linking OSA and metabolic syndrome are still unclear, but a role for adipose tissue dysfunction caused by intermittent hypoxia has been suggested. Therefore, the goal of this study was to investigate the relationship between OSA and systemic adipokine concentrations in overweight and obese children. METHODS: We included 164 overweight and obese children in a tertiary center and distributed them in groups based on their obstructive apnea-hypopnea index (111 controls, 28 mild OSA, 25 moderate-to-severe OSA)...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215257/self-reported-sleep-pattern-quality-and-problems-among-schooling-adolescents-in-southwestern-nigeria
#10
Folusho M Balogun, Abieyuwa O Alohan, Adebola E Orimadegun
OBJECTIVE: Understanding sleep patterns and related factors is vital to development in adolescence, but there is a dearth of this information among adolescents in developing countries such as Nigeria. Therefore, this study describes the sleep patterns, problems, and predictors of poor sleep quality among schooling adolescents. METHODS: In a cross-sectional study design, 450 adolescents were selected and interviewed about their sleep experience and problems over the preceding one-month period using a validated form with components adapted from the Pittsburgh Sleep Quality Index (PSQI) questionnaire...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215256/the-association-between-chronotype-and-sleep-problems-in-preschool-children
#11
Nur K Jafar, Elaine K H Tham, Derric Z H Eng, Daniel Y T Goh, Oon-Hoe Teoh, Yung S Lee, Lynette Pei-Chi Shek, Fabian Yap, Yap Seng Chong, Michael J Meaney, Joshua J Gooley, Birit F P Broekman
OBJECTIVE: Adolescents and adults who are evening-types exhibit shorter sleep duration and more sleep problems than individuals with an earlier chronotype. We hypothesized that already at a preschool age, evening-types would exhibit more sleep problems relative to children who are morning or intermediate chronotypes. The aim of this study was to examine the association between chronotype and sleep problems among preschool children. METHODS: We studied a subset of typically-developing 4...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215254/epidemiology-of-sleep-and-sleep-disorders-in-the-netherlands
#12
Gerard A Kerkhof
OBJECTIVE: There is a surging public interest in The Netherlands concerning sleep, sleep disorders and associated health. For a proper perspective, it is necessary to have reliable information on the prevalence of sleep characteristics at the national level. This study set out to assess prevalence rates and key characteristics of sleep and sleep disorders in The Netherlands. METHODS: In 2012, a nationally representative sample of 2089 individuals, aged 18-70 years, responded to a set of 48 questions, including the Holland Sleep Disorders Questionnaire, a validated questionnaire based on the International Classification of Sleep Disorders...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215250/prevalence-and-quality-of-life-and-sleep-in-children-and-adolescents-with-restless-legs-syndrome-willis-ekbom-disease
#13
Heidi Haueisen Sander, Alan Luiz Eckeli, Afonso Diniz Costa Passos, Leila Azevedo, Lucila Bizari Fernandes do Prado, Regina Maria França Fernandes
OBJECTIVE: To estimate the prevalence of restless legs syndrome/Willis-Ekbom disease (RLS/WED) and its impact on sleep and quality of life in children and adolescents. METHODS: This was a cross-sectional study conducted in the Municipality of Cássia dos Coqueiros, Brazil. Participants included 383 children and adolescents 5-17 years of age. A comparison group was randomly matched by gender and age with the RLS/WED-affected individuals, pairing one by one. RESULTS: Interviews were conducted for 383 individuals by a neurologist experienced in sleep medicine...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215242/impact-of-a-modest-delay-in-school-start-time-in-hong-kong-school-adolescents
#14
Ngan Yin Chan, Jihui Zhang, Mandy Wai Man Yu, Siu Ping Lam, Shirley Xin Li, Alice Pik Shan Kong, Albert Martin Li, Yun Kwok Wing
OBJECTIVE: To examine the effects of a modest delay (15 min) in school start time (SST) on adolescent sleep patterns, mood, and behaviors. METHODS: Two secondary schools in Hong Kong with a total of 1173 students (intervention: n = 617; comparison school n = 556) completed both baseline and follow-up questionnaires. School start time was delayed by 15 min, from 7:45 a.m. to 8:00 a.m., in the intervention school. The comparison school maintained their regular SST at 7:55 a...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28215240/morningness-eveningness-correlates-with-sleep-time-quality-and-hygiene-in-secondary-school-students-a-multilevel-analysis
#15
Christian Vollmer, Konrad S Jankowski, Juan F Díaz-Morales, Heike Itzek-Greulich, Peter Wüst-Ackermann, Christoph Randler
At the onset of puberty, students shift their sleep to later hours, but school starts early. It is suggested that evening orientation and early school start times do not go well together. Therefore, the aim of this study was to investigate sleep problems in adolescence, and it was expected that the adolescents' eveningness orientation is associated with many sleep-related problems. Students of secondary education (n = 3201; mean = 13.8 ± 1.8 years) filled out a self-report questionnaire containing measures of morningness-eveningness, sleep time (midpoint of sleep, social "jetlag"), sleep length (on schooldays and on weekends), sleep quality, and sleep hygiene as well as questions on electronic screen media use...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28214362/is-there-an-association-between-verbal-school-bullying-and-possible-sleep-bruxism-in-adolescents
#16
Junia Maria Serra-Negra, Isabela Almeida Pordeus, Patricia Corrêa-Faria, Livia Bonfim Fulgêncio, Saul Martins Paiva, Daniele Manfredini
The aim of this study was to determine the association between verbal school bullying and possible sleep bruxism (SB) in adolescents. A case-control study was carried out at the population level by recruiting 13- to 15-year old participants among the attendants of schools of Itabira, Brazil. The case group was composed of 103 adolescents with possible SB (i.e., self- or parental-reported), while the control group included 206 adolescents without possible SB. All participants answered a questionnaire on the occurrence of their involvement in verbal school bullying episodes, based on the National School of Health Research (PeNSE) as well as an evaluation of their economic class according to the criteria of the Brazilian Association of Research Companies...
February 18, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28212303/associations-of-overweight-obesity-and-related-factors-with-sleep-related-breathing-disorders-and-snoring-in-adolescents-a-cross-sectional-survey
#17
Yue Ma, Liping Peng, Changgui Kou, Shucheng Hua, Haibo Yuan
Background: Sleep-related breathing disorders (SRBD) have been identified as a major public health problem closely related to adolescent obesity. We aimed to estimate the prevalences of SRBD and snoring in adolescents in Changchun City, Northeastern China, and to evaluate the associated factors in this population. Methods: In total, 1955 adolescents aged 11-18 years were recruited in Changchun City using stratified cluster sampling. Parents and caretakers of children completed the questionnaires, which included demographic characteristics, anthropometric parameters and a pediatric sleep questionnaire (SRBD scale)...
February 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28211992/thirty-day-outcomes-for-children-and-adolescents-undergoing-laparoscopic-sleeve-gastrectomy-at-a-free-standing-children-s-hospital
#18
A L Speer, J Parekh, F G Qureshi, E P Nadler
The obesity epidemic continues to affect millions of children and adolescents. Non-surgical options do not result in significant or sustained weight loss; thus bariatric surgery has become increasingly utilized. Limited data exist regarding safety for paediatric bariatric surgery, especially outside of National Institutes of Health (NIH)-funded centres. We hypothesized that the perioperative outcomes of paediatric patients undergoing laparoscopic sleeve gastrectomy (LSG) at our free-standing children's hospital would provide adequate safety profiles...
February 17, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28211649/insufficient-sleep-in-adolescents-causes-and-consequences
#19
Judith A Owens, Miriam R Weiss
Insufficient sleep poses an important and complicated set of health risks in the adolescent population. Not only is deficient sleep (defined as both sleep duration inadequate to meet sleep needs and sleep timing misaligned with the body's circadian rhythms) at epidemic levels in this population, but the contributing factors are both complex and numerous and there are a myriad of negative physical and mental health, safety and performance consequences. Causes of inadequate sleep identified in this population include internal biological processes such as the normal shift (delay) in circadian rhythm that occurs in association with puberty and a developmentally-based slowing of the "sleep drive", and external factors including extracurricular activities, excessive homework load, evening use of electronic media, caffeine intake and early school start times...
February 17, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28211549/review-of-health-and-risk-behaviours-mental-health-problems-and-suicidal-behaviours-in-young-europeans-on-the-basis-of-the-results-from-the-eu-funded-saving-and-empowering-young-lives-in-europe-seyle-study
#20
REVIEW
Danuta Wasserman
An estimated 800 000 suicide deaths occur worldwide. The global suicide rate is 11.4 per 100 000 population; 15.0/100 000 for males and 8.0/100 000 for females. Globally, suicide is the second leading cause of death in 15-29 year olds. In a collaborative effort to reduce the high rates of suicide and mental health problems among youth across Europe, the European Union 7th Framework funded the Saving and Empowering Young Lives in Europe (SEYLE) project. SEYLE is a randomized controlled trial (RCT) aimed to promote mental health and healthy lifestyles, while preventing psychopathology and suicidal behaviours among adolescents...
December 23, 2016: Psychiatria Polska
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