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https://www.readbyqxmd.com/read/28931132/oxygen-saturation-increases-over-the-course-of-the-night-in-mountaineers-at-high-altitude-3050-6354-m
#1
Markus Tannheimer, Rianne van der Spek, Florian Brenner, Raimund Lechner, Jürgen M Steinacker, Gunnar Treff
Background: Blood oxygen saturation (SpO 2 ) is frequently measured to determine acclimatization status in high-altitude travellers. However, little is known about nocturnal time course of SpO 2 (SpO 2N ), but alterations in SpO 2N might be practically relevant as well. To this end, we describe the time-course of SpO 2N in mountaineers at high altitude. Methods: SpO 2N was continuously measured in ten male mountaineers during a three-week expedition in Peru (3,050-6,354m)...
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28930798/prevalence-of-obesity-no-leisure-time-physical-activity-and-short-sleep-duration-among-occupational-groups-in-29-states
#2
Jan Birdsey, Aaron L Sussell
OBJECTIVE: The aim of this study was to examine prevalence of obesity (body mass index of 30 or higher), no leisure-time physical activity in the past 30 days (no LTPA), and short sleep duration (averaging less than 7 hours of sleep per 24-hour period) among 22 occupational groups. METHODS: We analyzed 2013 and 2014 Behavioral Risk Factor Surveillance System (BRFSS) data from 29 states, controlling for sex, age, race/ethnicity, and education. RESULTS: By occupation, prevalence ranged from 16...
September 19, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28930365/duration-and-quality-of-sleep-among-canadians-aged-18-to-79
#3
Jean-Philippe Chaput, Suzy L Wong, Isabelle Michaud
This article provides recent estimates of the duration and quality of sleep of Canadian adults and of the percentage who adhere to sleep duration guidelines (7 to 9 hours per night at ages 18 to 64, and 7 to 8 hours per night at age 65 or older). The study is based on 10,976 respondents aged 18 to 79 from the 2007-to-2013 Canadian Health Measures Survey, a nationally representative, cross-sectional survey. Sleep duration and quality were self-reported. Mean sleep duration was 7.12 hours per night at ages 18 to 64 and 7...
September 20, 2017: Health Reports
https://www.readbyqxmd.com/read/28930248/the-effect-of-acupuncture-on-visual-function-in-patients-with-congenital-and-acquired-nystagmus
#4
Tilo Blechschmidt, Maike Krumsiek, Margarita G Todorova
Background: The aim of this study is to examine the short-term effect of visual function following acupuncture treatment in patients with congenital idiopathic nystagmus and acquired nystagmus (CIN and AN). Methods: An observational pilot study on six patients with confirmed diagnosis of nystagmus (three CIN and three AN patients (2♀, 4♂; mean age 42.67; SD ± 20.57 y)), was performed. Acupuncture treatment was done following a standardized protocol applying needle-acupuncture on the body and the ears. The treatment was scheduled with 10 sessions of 30 min duration over five weeks...
May 23, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929527/music-exposure-and-maturation-of-late-preterm-sleep-wake-cycles-a-randomized-crossover-trial
#5
Adia Stokes, Alexander G Agthe, Dina El Metwally
AIM: To determine the effect of music on sleep-wake cycle (SWC) patterns in late preterm neonates. METHODS: In a masked crossover study, infants between 32-36 6/7 weeks gestation were randomized to music exposure either during the first six or last six hours of a 12-hour observation period. SWC characteristics were determined by continuous amplitude integrated electroencephalography (aEEG) read by two coders masked to exposure sequence. Analysis was done in paired comparisons...
September 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28929340/sleep-and-cardio-metabolic-disease
#6
REVIEW
Francesco P Cappuccio, Michelle A Miller
PURPOSE OF REVIEW: This review summarises and discusses the epidemiological evidence suggesting a causal relationship between sleep duration and cardio-metabolic risk and outcomes in population. RECENT FINDINGS: Sleep duration is affected by a variety of cultural, social, psychological, behavioural, pathophysiological and environmental influences. Changes in modern society-like longer working hours, more shift-work, 24/7 availability of commodities and 24-h global connectivity-have been associated with a gradual reduction in sleep duration and sleeping patterns across westernised populations...
September 19, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28929224/long-working-hours-directly-and-indirectly-via-short-sleep-duration-induce-headache-even-in-healthy-white-collar-men-cross-sectional-and-1-year-follow-up-analyses
#7
Teruo Nagaya, Minoru Hibino, Yasuaki Kondo
OBJECTIVE: Headache in employees may be linked with both overwork and sleep restriction induced by long working hours. Inter-relationships among working hours, sleep duration and headache were investigated. METHODS: Cross-sectional analyses for prevalent headache (n = 35,908) and 1-year follow-up analyses for incident headache (n = 19,788) were conducted in apparently healthy white-collar men aged 25-59 years. Headache (yes/no), working hours and sleep duration were based on self-administered questionnaire...
September 19, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28929121/differential-and-combined-effects-of-physical-activity-profiles-and-prohealth-behaviors-on-diabetes-prevalence-among-blacks-and-whites-in-the-us-population-a-novel-bayesian-belief-network-machine-learning-analysis
#8
Azizi A Seixas, Dwayne A Henclewood, Aisha T Langford, Samy I McFarlane, Ferdinand Zizi, Girardin Jean-Louis
The current study assessed the prevalence of diabetes across four different physical activity lifestyles and infer through machine learning which combinations of physical activity, sleep, stress, and body mass index yield the lowest prevalence of diabetes in Blacks and Whites. Data were extracted from the National Health Interview Survey (NHIS) dataset from 2004-2013 containing demographics, chronic diseases, and sleep duration (N = 288,888). Of the total sample, 9.34% reported diabetes (where the prevalence of diabetes was 12...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28924578/effects-of-subthalamic-nucleus-deep-brain-stimulation-on-objective-sleep-outcomes-in-parkinson-s-disease
#9
Amy W Amara, Harrison C Walker, Allen Joop, Gary Cutter, Jennifer L DeWolfe, Susan M Harding, David G Standaert
BACKGROUND: Sleep dysfunction is a common and disabling non-motor symptom in Parkinson's disease. Deep brain stimulation (DBS) of the subthalamic nucleus (STN) improves motor symptoms and subjective sleep in PD, but alternative stimulation parameters to optimize sleep have not been explored. We hypothesized that low frequency STN DBS would improve objective sleep more than conventional settings. METHODS: Twenty PD subjects with STN DBS (18 unilateral, 2 bilateral) underwent 3 non-consecutive nights of polysomnography: DBS off; DBS high frequency (≥130 Hz); and DBS low frequency (60 Hz)...
March 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28924238/longitudinal-association-of-sleep-duration-with-depressive-symptoms-among-middle-aged-and-older-chinese
#10
Yujie Li, Yili Wu, Long Zhai, Tong Wang, Yongye Sun, Dongfeng Zhang
This study aimed to evaluate the associations of nighttime sleep duration and midday napping with risk of depressive symptoms incidence and persistence among middle-aged and older Chinese. Data from China Health and Retirement Longitudinal Study, CHARLS (2011-2013), were analyzed. Depressive symptoms were identified by the 10-item version of the Centre for Epidemiological Studies Depression scale (CESD-10). Multivariate binary logistic regression models were fitted. There were 7156 individuals with CESD-10 scores < 10 and 3896 individuals with CESD-10 scores ≥ 10 at baseline included in this study...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28923293/two-polysomnographic-features-of-rem-sleep-behavior-disorder-clinical-variations-insight-for-parkinson-s-disease
#11
Yun Shen, Yong-Ping Dai, Yi Wang, Jie Li, Kang-Ping Xiong, Cheng-Jie Mao, Jun-Ying Huang, Wei-Feng Luo, Chun-Feng Liu
INTRODUCTION: Loss of REM sleep muscle atonia (RWA) and dream-enactment behavior (DEB) are two associated features of REM sleep behavior disorder (RBD), which is frequently associated with Parkinson's disease (PD). Few studies have examined both DEB and RWA simultaneously in patients with PD. This study aimed to evaluate relationships between RWA, DEB and clinical characteristics of PD. METHODS: We conducted overnight polysomnography in 145 patients with PD. DEB (motor behaviors and/or vocalizations during REM) and increased RWA (IRWA; tonic and phasic chin EMG density ≥ 30% and ≥15%, respectively) were identified...
September 5, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28923199/associations-of-short-sleep-duration-with-childhood-obesity-and-weight-gain-summary-of-a-presentation-to-the-national-academy-of-science-s-roundtable-on-obesity-solutions
#12
Tayla Ash, Elsie M Taveras
This article summarizes a presentation made in February 2017 as part of the National Academy of Sciences' Roundtable on Obesity Solutions webinar, "The Potential Role of Sleep in Obesity Prevention and Management: A Virtual Workshop." Briefly described are the patterns of childhood sleep duration in the United States, the state of the science relating insufficient sleep to overweight and obesity in infancy and early childhood, and the potential mechanisms for the association. Also discussed are intervention efforts to date...
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28923198/the-epidemiology-of-sleep-and-obesity
#13
REVIEW
Rachel P Ogilvie, Sanjay R Patel
Sleep is a state of consciousness that is preserved across animal species whose exact function is not yet clear but which has a vital impact on health and well-being. Epidemiological evidence suggests sleep duration in both children and adults has been decreasing over the past half-century, while at the same time rates of overweight and obesity have been increasing. Short sleep duration along with other dimensions of poor sleep has been associated with obesity both cross-sectionally and longitudinally. These data suggest a potential causal relationship between poor sleep and greater rates of weight gain that may be related to effects of sleep on dietary intake or physical activity...
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28923195/complex-childcare-experiences-and-sleep-outcomes-in-young-children
#14
Jen-Hao Chen
OBJECTIVES: Attending center-based childcare has been linked to shorter nighttime sleep in children. However, relatively little attention has been paid to the role of complexity and transition of childcare arrangements on children's sleep. This study used prospective, nationally representative data to estimate the associations between complex childcare experiences and sleep outcomes during infancy and toddlerhood. DESIGN: Prospective longitudinal study. SETTING: This study used 9-month (n = 3921) and 2...
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28923188/poor-sleep-moderates-the-relationship-between-daytime-napping-and-inflammation-in-black-and-white-men
#15
Karen P Jakubowski, Jennifer M Boylan, Jenny M Cundiff, Karen A Matthews
OBJECTIVES: To test whether napping was associated with 2 inflammatory markers with known relationships to cardiovascular disease: high-sensitivity C-reactive protein (hsCRP) and interleukin-6 (IL-6). Because IL-6 is known to impact central inflammatory processes that relate to sleep regulation, including subjective fatigue, we tested whether this relationship was moderated by sleep duration, sleep efficiency, and self-reported sleep quality. DESIGN: Cross-sectional...
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28923187/gender-and-racial-ethnic-differences-in-sleep-duration-in-the-north-texas-heart-study
#16
Jessica R Dietch, Daniel J Taylor, Joshua M Smyth, Chul Ahn, Timothy W Smith, Bert N Uchino, Matthew Allison, John M Ruiz
OBJECTIVE: Short sleep duration has been linked with a wide array of poor mental and physical health outcomes. Such risks, however, may be moderated by demographic factors such as gender and race/ethnicity. In a diverse community sample, the current study examined the relationship between gender, race/ethnicity and objectively measured sleep duration, controlling for select potential confounds. METHODS: Participants were 300 community adults (50% female), aged 21 to 70 years, and included 60% non-Hispanic Whites, 15% non-Hispanic Blacks, 19% Hispanic/Latino, and 6% other...
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28923186/past-present-and-future-trends-in-sleep-duration-and-implications-for-public-health
#17
Lisa Matricciani, Yu Sun Bin, Tea Lallukka, Erkki Kronholm, Dorothea Dumuid, Catherine Paquet, Tim Olds
Sleep is important for the physical, social and mental well-being of both children and adults. Over the years, there has been a general presumption that sleep will inevitably decline with the increase in technology and a busy 24-hour modern lifestyle. This narrative review discusses the empirical evidence for secular trends in sleep duration and the implications of these trends.
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28923185/sleep-duration-trends-and-trajectories-among-youth-in-the-compass-study
#18
Karen A Patte, Wei Qian, Scott T Leatherdale
OBJECTIVES: Limited Canadian studies have examined youth sleep over time. This study explored sleep duration over recent years among youth, patterns over the course of secondary school, and subgroups at greater risk of sleep deprivation and problematic trajectories. DESIGN: Longitudinal survey. PARTICIPANTS/SETTING: Secondary school students in Ontario and Alberta, Canada. MEASURES AND ANALYSES: In cross-sectional analyses, student-reported sleep duration was analyzed in three waves of the COMPASS study (Y2: 2013/2014, Y3: 2014/2015, Y4: 2015/2016), and differences by student-level (race/ethnicity, grade, sex) and school-level (urbanicity, median household income) variables were tested in the most recent wave...
October 2017: Sleep Health
https://www.readbyqxmd.com/read/28922184/subjective-measures-of-work-related-fatigue-in-automobile-factory-employees
#19
Fu Guo, Tianbo Wang, Zuojiang Ning
BACKGROUND: Work-related fatigue is common among automobile factory employees. OBJECTIVES: The purpose of this study was to assess fatigue of employees at a Chinese automobile factory. METHODS: 238 employees (119 engineers and 119 workers) participated in this study. The following questionnaires were completed: demographic survey questionnaire, working condition questionnaire (WCQ), functional assessment of chronic illness therapy-fatigue (FACIT-F), subscales of multidimensional fatigue inventory (MFI), and Pittsburgh sleep quality index (PSQI)...
September 14, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28922102/sleep-duration-and-quality-among-women-aged-40-59-by-menopausal-status
#20
Anjel Vahratian
Data from the National Health Interview Survey, 2015 ? Among those aged 40?59, perimenopausal women (56.0%) were more likely than postmenopausal (40.5%) and premenopausal (32.5%) women to sleep less than 7 hours, on average, in a 24-hour period. ? Postmenopausal women aged 40?59 were more likely than premenopausal women aged 40?59 to have trouble falling asleep (27.1% compared with 16.8%, respectively), and staying asleep (35.9% compared with 23.7%), four times or more in the past week. ? Postmenopausal women aged 40?59 (55...
September 2017: NCHS Data Brief
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