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https://www.readbyqxmd.com/read/29771373/neighborhood-social-cohesion-and-sleep-outcomes-in-the-native-hawaiian-and-pacific-islander-national-health-interview-survey
#1
Marielle C Young, Monica W Gerber, Tayla Ash, Christine M Horan, Elsie M Taveras
Study Objective: Native Hawaiians and Pacific Islanders (NHPIs) have the lowest attainment of healthy sleep duration among all racial and ethnic groups in the United States. We examined associations of neighborhood social cohesion with sleep duration and quality. Methods: Cross-sectional analysis of 2,464 adults in the NHPI National Health Interview Survey (2014). Neighborhood social cohesion was categorized as a continuous and categorical variable into low (<12), medium (12-14) and high (>15) according to tertiles of the distribution of responses...
May 16, 2018: Sleep
https://www.readbyqxmd.com/read/29771368/restless-sleep-disorder-in-children-a-pilot-study-on-a-tentative-new-diagnostic-category
#2
Lourdes M DelRosso, Oliviero Bruni, Raffaele Ferri
Study Objectives: A group of children with "restless sleep" who do not fit the criteria for any other sleep disorder but with daytime impairment are studied to identify restless sleep disorder (RSD) clinically and polysomnographically and to differentiate it from other sleep disorders of childhood. Methods: A pilot study of 15 school aged children with restless sleep and 15 sex and age matched children with restless leg syndrome (RLS) and 37 normal controls were included...
May 16, 2018: Sleep
https://www.readbyqxmd.com/read/29771387/functional-brown-adipose-tissue-and-sympathetic-activity-after-cold-exposure-in-humans-with-type-1-narcolepsy
#3
Lotte Hahn Enevoldsen, Marie Tindborg, Nichlas Lindegaard Hovmand, Christina Christoffersen, Helga Ellingsgaard, Charlotte Suetta, Bente Merete Stallknecht, Poul Joergen Jennum, Andreas Kjær, Steen Gammeltoft
Study objectives: To investigate the activity of brown adipose tissue (BAT) in type 1 narcolepsy patients during cold exposure using two separate scans of sympathetic and metabolic activity of BAT in order to evaluate whether orexin deficiency leads to altered non-shivering thermoregulation in narcolepsy. Methods: Seven patients with type 1 narcolepsy and seven healthy controls underwent two consecutive scans after 2 h cold exposure: 123I-meta-iodo-benzyl-guanidine (123I-MIBG) single photon emission computed tomography and 18F-2-deoxy-glucose (18F-FDG) positron emission tomography and computed tomography to visualize sympathetic innervation and metabolic activity of BAT, respectively...
May 15, 2018: Sleep
https://www.readbyqxmd.com/read/29771362/rates-of-cerebral-protein-synthesis-in-primary-visual-cortex-during-sleep-dependent-memory-consolidation-a-study-in-human-subjects
#4
Dante Picchioni, Kathleen C Schmidt, Kelly K McWhirter, Inna Loutaev, Adriana J Pavletic, Andrew M Speer, Alan J Zametkin, Ning Miao, Shrinivas Bishu, Kate M Turetsky, Anne S Morrow, Jeffrey L Nadel, Brittney C Evans, Diana M Vesselinovitch, Carrie A Sheeler, Thomas J Balkin, Carolyn B Smith
If protein synthesis during sleep is required for sleep-dependent memory consolidation, we might expect rates of cerebral protein synthesis (rCPS) to increase during sleep in the local brain circuits that support performance on a particular task following training on that task. To measure circuit-specific brain protein synthesis during a daytime nap opportunity, we used the L-[1-(11)C]leucine positron emission tomography (PET) method with simultaneous polysomnography. We trained subjects on the visual texture discrimination task (TDT)...
May 15, 2018: Sleep
https://www.readbyqxmd.com/read/29767787/sleep-disordered-breathing-in-c57bl-6j-mice-with-diet-induced-obesity
#5
Thomaz Fleury Curado, Huy Pho, Slava Berger, Candela Caballero-Eraso, Mi-Kyung Shin, Luiz Ubirajara Sennes, Luu Pham, Alan R Schwartz, Vsevolod Y Polotsky
Obesity leads to sleep disordered breathing (SDB), as manifested by recurrent upper airway obstructions during sleep termed obstructive sleep apnea and carbon dioxide retention due to obesity hypoventilation. The objective of this work was to characterize breathing during sleep in C57BL6/J mice with diet-induced obesity. Arterial blood gas was measured in nine obese and nine lean mice during wakefulness. Nine male mice with diet induced obesity and six lean male C57BL/6J mice were head mounted with EEG and EMG electrodes...
May 15, 2018: Sleep
https://www.readbyqxmd.com/read/29762768/emergence-of-mature-cortical-activity-in-wakefulness-and-sleep-in-healthy-pre-term-and-full-term-infants
#6
Kimberley Whitehead, Pureza Laudiano-Dray, Judith Meek, Lorenzo Fabrizi
Study Objectives: Cortical activity patterns develop rapidly over the equivalent of the last trimester of gestation, in parallel with the establishment of sleep architecture. However, the emergence of mature cortical activity in wakefulness compared to sleep states in healthy pre-term infants is poorly understood. Methods: To investigate whether cortical activity has a different developmental profile in each sleep-wake state, we recorded 11-channels EEG, EOG and respiratory movement for one hour from 115 infants 34-43 weeks corrected age, with 0...
May 14, 2018: Sleep
https://www.readbyqxmd.com/read/29762755/obstructive-sleep-apnea-during-rem-sleep-is-associated-with-early-signs-of-atherosclerosis-in-women
#7
Mirjam Ljunggren, Eva Lindberg, Karl A Franklin, Patrik Öhagen, Marita Larsson, Jenny Theorell-Haglöw, Tord Naessén
Study Objectives: While obstructive sleep apnea (OSA) is associated with overall cardiovascular disease and mortality, the association with atherosclerotic cardiovascular disease is less clear, especially in women. Recently, it has been suggested that OSA during REM sleep, associated with long apneas and deep desaturations, could have severe cardio-metabolic consequences. The aim of this study was to investigate whether OSA during REM sleep is associated with early signs of atherosclerosis in a population-based sample of women...
May 14, 2018: Sleep
https://www.readbyqxmd.com/read/29762764/insomnia-as-a-path-to-alcoholism-tolerance-development-and-dose-escalation
#8
Timothy Roehrs, Thomas Roth
Study Objectives: To assess the risks associated with the use of alcohol as a "sleep aid", we evaluated tolerance development to pre-sleep ethanol's sedative-hypnotic effects, subsequent ethanol dose escalation, and changes in mood and ethanol "liking". Methods: Volunteers, 21-55 yrs old, with insomnia in otherwise good medical and psychiatric health and no history of alcoholism or drug abuse participated. In experiment 1 (n=24) 0.0, 0.3, or 0...
May 12, 2018: Sleep
https://www.readbyqxmd.com/read/29746663/behavioral-and-genetic-features-of-sleep-ontogeny-in-drosophila
#9
Leela C Dilley, Abigail Vigderman, Charlette E Williams, Matthew S Kayser
The fruit fly Drosophila melanogaster, like most organisms, exhibits increased sleep amount and depth in young compared to mature animals. While the fly has emerged as a powerful model for studying sleep during development, qualitative behavioral features of sleep ontogeny and its genetic control are poorly understood. Here we find that, in addition to increased sleep time and intensity, young flies sleep with less place preference than mature adults, and, like mammals, exhibit more motor twitches during sleep...
May 9, 2018: Sleep
https://www.readbyqxmd.com/read/29746662/impact-of-sleep-characteristics-and-obesity-on-diabetes-and-hypertension-across-genders-and-menopausal-status-the-nagahama-study
#10
Takeshi Matsumoto, Kimihiko Murase, Yasuharu Tabara, David Gozal, Dale Smith, Takuma Minami, Ryo Tachikawa, Kiminobu Tanizawa, Toru Oga, Shunsuke Nagashima, Tomoko Wakamura, Naoko Komenami, Kazuya Setoh, Takahisa Kawaguchi, Takanobu Tsutsumi, Yoshimitsu Takahashi, Takeo Nakayama, Toyohiro Hirai, Fumihiko Matsuda, Kazuo Chin
Study Objectives: The individual prevalence of sleep-disordered breathing (SDB), short sleep duration, and obesity is high and increasing. The study aimed to investigate potential associations between SDB, objective sleep duration, obesity, diabetes and hypertension across genders, and the effect of pre- or post-menopausal status. Methods: A cross-sectional study evaluated 7051 community participants with wrist actigraphy for a week, and nocturnal oximetry ≥ 2 nights...
May 9, 2018: Sleep
https://www.readbyqxmd.com/read/29741736/patient-satisfaction-with-sleep-study-experience-findings-from-the-sleep-apnea-patient-centered-outcomes-network
#11
Vishesh K Kapur, James C Johnston, Michael Rueschman, Jessie P Bakker, Lucas M Donovan, Mark Hanson, Zinta Harrington, Jia Weng, Susan Redline
Study Objectives: Home sleep apnea testing (HSAT) is increasingly used as an alternative to laboratory-based polysomnography (PSG) for the diagnosis of obstructive sleep apnea. Patient satisfaction with sleep testing performed at home or in the lab has been sparsely assessed despite its potentially pivotal role in determining patients' acceptance of sleep apnea treatment. We hypothesize that satisfaction in clinical practice may differ from what has been previously reported within the research setting...
May 8, 2018: Sleep
https://www.readbyqxmd.com/read/29741674/evaluating-the-effects-of-general-anesthesia-on-sleep-in-children-undergoing-elective-surgery-an-observational-case-control-study
#12
S Selvadurai, J T Maynes, C McDonnell, S L Cushing, E J Propst, A Lorenzo, A Lim, L J Meltzer, Zihang Lu, R L Horner, I Narang
Study Objectives: Previous research has suggested that general anesthetics can disturb postoperative sleep patterns by affecting the sleep-wake cycle. The objective was to identify the effects of general anesthetics on sleep quality and related behavioral changes in children. Methods: This was a prospective, observational case-control study with children, aged 18 months to 8 years, undergoing general anesthesia for elective surgery. Subjects wore an actigraph for seven days on three occasions: prior to surgery, the immediate postoperative period, and three months after surgery...
May 7, 2018: Sleep
https://www.readbyqxmd.com/read/29726979/predictors-of-persistent-sleep-problems-among-older-disaster-survivors-a-natural-experiment-from-the-2011-great-east-japan-earthquake-and-tsunami
#13
Xiaoyu Li, Orfeu M Buxton, Hiroyuki Hikichi, Sebastien Haneuse, Jun Aida, Katsunori Kondo, Ichiro Kawachi
Study Objectives: To examine prospectively the associations of disaster experiences and social support with sleep problems in older adults. Methods: Data came from a natural experiment caused by the 2011 Great East Japan earthquake and tsunami. Participants in an ongoing prospective cohort (3,547 Japanese individuals aged 65 years or older) were inadvertently exposed to the disaster due to their residential location (Iwanuma city) after the 2010 baseline survey...
May 3, 2018: Sleep
https://www.readbyqxmd.com/read/29726972/disparities-in-sleep-duration-and-restedness-among-same-and-different-sex-couples-findings-from-the-american-time-use-survey
#14
Alexa Martin-Storey, Kate C Prickett, Robert Crosnoe
Study Objectives: The importance of sleep for health necessitates investigation of disparities in multiple aspects of sleep. Given the potential disruption to sleep posed by the well-documented discrimination experienced by sexual minorities, disparities related to sexual minority status warrant such attention. This study sought to (1) measure differences in same- and different-sex couples in sleep duration and perceived restedness, (2) examine how the link between sleep duration and restedness varied among same and different sex couples, and (3) assess variation in restedness across state-level sexual minority indicators...
May 3, 2018: Sleep
https://www.readbyqxmd.com/read/29722893/response-to-chronic-sleep-restriction-extension-and-total-sleep-deprivation-in-humans-adaptation-or-preserved-sleep-homeostasis
#15
Jelena Skorucak, Emma Arbon, Derk-Jan Dijk, Peter Achermann
Sleep is regulated by a homeostatic process which in the two-process model of human sleep regulation is represented by EEG slow-wave activity (SWA). Many studies of acute manipulation of wake duration have confirmed the precise homeostatic regulation of SWA in rodents and humans. However, some chronic sleep restriction studies in rodents show that the sleep homeostatic response, as indexed by SWA, is absent or diminishes suggesting adaptation occurs. Here, we investigate the response to 7 days of sleep restriction (6 h time in bed) and extension (10 h time in bed) as well as the response to subsequent total sleep deprivation in 35 healthy participants in a cross-over design...
May 2, 2018: Sleep
https://www.readbyqxmd.com/read/29722892/inter-rater-agreement-for-visual-discrimination-of-phasic-and-tonic-electromyographic-activity-in-sleep
#16
Donald L Bliwise, Jacqueline Fairley, Scott Hoff, Richard S Rosenberg, David B Rye, David A Schulman, Lynn Marie Trotti
Study Objectives: The objective of this study was to determine the confidence of expert raters in discriminating phasic and tonic electromyographic (EMG) activity. We undertook this study because we suspected that even expert scorers may disagree on whether a given EMG segment contained phasic activity, tonic activity, or both. Methods: Six individuals holding either Fellowship status in the American Academy of Sleep Medicine or Board Certification in Sleep Medicine with at least 5 years' experience in interpreting polysomnography visually examined 60 segments containing EMG activity...
May 2, 2018: Sleep
https://www.readbyqxmd.com/read/29722890/the-association-between-obstructive-sleep-apnoea-and-metabolic-abnormalities-in-women-with-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis
#17
Hassan Kahal, Ioannis Kyrou, Olalekan Uthman, Anna Brown, Samantha Johnson, Peter Wall, Andrew Metcalfe, Abd A Tahrani, Harpal S Randeva
Study Objectives: In this systematic review and meta-analysis, we aimed to examine the relationship between obstructive sleep apnoea (OSA) and metabolic abnormalities in women with polycystic ovary syndrome (PCOS). Methods: Electronic databases (Medline, Embase, Cinahl, PsycInfo, Scopus, Web of Science, Opengrey, CENTRAL), conference abstracts, and reference lists of relevant articles were searched. No restriction was applied for language or publication status. Results: Six studies involving 252 participants were included...
May 2, 2018: Sleep
https://www.readbyqxmd.com/read/29722881/changes-in-nocturnal-sleep-and-daytime-nap-durations-predict-all-cause-mortality-among-older-adults-the-panel-on-health-and-ageing-of-singaporean-elderly
#18
Grand H-L Cheng, Rahul Malhotra, Truls Østbye, Angelique Chan, Stefan Ma, June C Lo
Study Objectives: To determine the effects of changes in nocturnal sleep and daytime nap durations on all-cause mortality among older adults. Methods: 2448 community-dwelling older Singaporeans (≥60 years) reported their nocturnal sleep and daytime nap durations at baseline (2009) and the 2-year follow-up. At each phase, they were grouped into the recommended (7-8h), short (≤6h), and long (≥9h) sleep duration categories, and the none (0h), short (≤1h), and long (>1h) nap duration categories...
May 2, 2018: Sleep
https://www.readbyqxmd.com/read/29718480/sleep-duration-in-the-united-states-a-letter-to-the-editor-commenting-on-the-recent-publication-by-m-basner-and-d-dinges
#19
Elisabeth Hertenstein, Dieter Riemann, Christoph Nissen
No abstract text is available yet for this article.
April 30, 2018: Sleep
https://www.readbyqxmd.com/read/29718456/risk-of-motor-vehicle-accidents-related-to-sleepiness-at-the-wheel-a-systematic-review-and-meta-analysis
#20
Stéphanie Bioulac, Jean-Arthur Micoulaud-Franchi, Mickael Arnaud, Patricia Sagaspe, Nicholas Moore, Francesco Salvo, Pierre Philip
No abstract text is available yet for this article.
April 30, 2018: Sleep
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