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https://www.readbyqxmd.com/read/28343142/circuit-mechanisms-of-sleepiness-and-cataplexy-in-narcolepsy
#1
REVIEW
Sara Pintwala, John Peever
Narcolepsy is a debilitating sleep disorder caused by loss of orexin neurons in the lateral hypothalamus. Excessive daytime sleepiness and cataplexy are the major complaints in narcolepsy, and are associated with impaired quality of life. Although it is unclear how orexin loss causes sleepiness and cataplexy, animal models have been instrumental in identifying the neurobiological underpinnings of narcolepsy because they reliably recapitulate disease symptoms. Current evidence indicates that orexin cell loss causes sleepiness and cataplexy by destabilizing the ability of the circuits that initiate and sustain normal levels of arousal and motor activity...
March 23, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28333848/associations-among-behavioral-sleep-disturbance-family-functioning-and-controller-medication-adherence-in-children-with-asthma
#2
Jennifer T Sonney, Chris Segrin, Teresa M Ward
OBJECTIVE: This study examined the associations among child sleep disturbances, family functioning, and asthma controller medication adherence in school-age children with persistent asthma. METHODS: Thirty-four children aged 6 to 11 years and a parent independently reported on asthma control and controller medication adherence. Parents also reported on family functioning (behavior control) and child sleep disturbances (bedtime resistance, daytime sleepiness). Hierarchical linear regression models tested sleep disturbance variables as predictors of family functioning and medication adherence...
March 21, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28332763/prevalence-of-obstructive-sleep-apnea-syndrome-following-oropharyngeal-cancer-treatment-a-prospective-cohort-study
#3
Anthony Loth, Justin Michel, Roch Giorgi, Laure Santini, Marc Rey, Jean-Marc Elbaum, Nicolas Roux, Antoine Giovanni, Patrick Dessi, Nicolas Fakhry
OBJECTIVES: To evaluate the prevalence of obstructive sleep apnea syndrome (OSAS) in a population of patients treated for an advanced cancer of the oropharynx (AJCC Stage III or IV), depending on treatment strategy and to evaluate its impact on quality of life. DESIGN: Prospective cohort study. SETTING: University Teaching Hospital of La Conception, Marseille, France. PARTICIPANTS: ifty-one disease free patients were included...
March 23, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28331991/systematic-review-and-meta-analysis-of-adolescent-cognitive-behavioral-sleep-interventions
#4
REVIEW
Matthew J Blake, Lisa B Sheeber, George J Youssef, Monika B Raniti, Nicholas B Allen
This systematic review and meta-analysis examined the efficacy of adolescent cognitive-behavioral sleep interventions. Searches of PubMed, PsycINFO, CENTRAL, EMBASE, and MEDLINE were performed from inception to May 1, 2016, supplemented with manual screening. Nine trials were selected (n = 357, mean age = 14.97 years; female = 61.74%). Main outcomes were subjective (sleep diary/questionnaire) and objective (actigraphy) total sleep time (TST), sleep onset latency (SOL), sleep efficiency (SE), and wake after sleep onset (WASO)...
March 22, 2017: Clinical Child and Family Psychology Review
https://www.readbyqxmd.com/read/28331379/smartphone-viewing-distance-and-sleep-an-experimental-study-utilizing-motion-capture-technology
#5
Michitaka Yoshimura, Momoko Kitazawa, Yasuhiro Maeda, Masaru Mimura, Kazuo Tsubota, Taishiro Kishimoto
There are studies reporting the negative impact of smartphone utilization on sleep. It is considered that reduction of melatonin secretion under the blue light exposure from smart-phone displays is one of the causes. The viewing distance may cause sleep disturbance, because the viewing distance determines the screen illuminance and/or asthenopia. However, to date, there has been no study closely investigating the impact of viewing distance on sleep; therefore, we sought to determine the relationship between smartphone viewing distance and subjective sleep status...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28330787/acute-impact-of-caffeinated-alcoholic-beverages-on-cognition-a-systematic-review
#6
REVIEW
Laurence Lalanne, Pierre-Eric Lutz, François Paille
INTRODUCTION: Energy drinks are popular beverages that are supposed to counteract sleepiness, increase energy, maintain alertness and reduce symptoms of hangover. Cognitive enhancing seems to be related to many compounds such as caffeine, taurine and vitamins. Currently, users mostly combine psychostimulant effects of energy drinks to counteract sedative effects of alcohol. However, recent literature suggests that this combination conducts to feel less intoxicated but still impaired. The goal of the present article is to review cognitive impact and subjective awareness in case of caffeinated alcoholic beverage (CAB) intoxication...
March 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28329356/sleep-disturbances-and-risk-of-hospitalization-and-inpatient-days-among-older-women
#7
Misti L Paudel, Brent C Taylor, Tien N Vo, Allyson M Kats, John T Schousboe, Li-Yung Lui, Charles E McCulloch, Lisa Langsetmo, Sonia Ancoli-Israel, Susan Redline, Kristine Yaffe, Katie L Stone, Teresa A Hillier, Kristine E Ensrud
Study Objective: Determine the associations of sleep disturbances with hospitalization risk among older women. Methods: 1,827 women (mean age 83.6 years) participating in Study of Osteoporotic Fractures Year 16 (Y16) examination (2002-2004) linked with Medicare and/or HMO claims. At Y16 examination, sleep/wake parameters were measured by actigraphy (total sleep time [TST], sleep efficiency [SE], sleep latency [SL], and wake after sleep onset [WASO]) and subjective sleep measures (sleep quality [Pittsburgh Sleep Quality Index] and daytime sleepiness [Epworth Sleepiness Scale]) were assessed by questionnaire...
March 1, 2017: Sleep
https://www.readbyqxmd.com/read/28329332/excessive-daytime-sleepiness-predicts-neurodegeneration-in-idiopathic-rem-sleep-behavior-disorder
#8
Junying Zhou, Jihui Zhang, Siu Ping Lam, Joey Wy Chan, Vincent Mok, Anne Chan, Shirley Xin Li, Yaping Liu, Xiangdong Tang, Wing Ho Yung, Yun Kwok Wing
Study Objectives: To determine the association of excessive daytime sleepiness (EDS) with the conversion of neurodegenerative diseases in patients with idiopathic REM sleep behavior disorder (iRBD). Methods: A total of 179 patients with iRBD (79.1% males, mean age = 66.3 ± 9.8 years) were consecutively recruited. Forty-five patients with Epworth Sleepiness Scale score ≥ 14 were defined as having EDS. Demographic, clinical and polysomnographic data were compared between iRBD patients with and without EDS...
March 16, 2017: Sleep
https://www.readbyqxmd.com/read/28329124/sleep-and-alertness-in-medical-interns-and-residents-an-observational-study-on-the-role-of-extended-shifts
#9
Mathias Basner, David F Dinges, Judy A Shea, Dylan S Small, Jingsan Zhu, Laurie Norton, Adrian J Ecker, Cristina Novak, Lisa M Bellini, Kevin G Volpp
Study Objectives: Fatigue from sleep loss is a risk to physician and patient safety, but objective data on physician sleep and alertness on different duty hour schedules is scarce. This study objectively quantified differences in sleep duration and alertness between medical interns working extended overnight shifts and residents not or rarely working extended overnight shifts. Methods: Sleep-wake activity of 137 interns and 87 PGY-2/3 residents on 2-week Internal Medicine and Oncology rotations was assessed with wrist-actigraphy...
February 24, 2017: Sleep
https://www.readbyqxmd.com/read/28329120/sleep-wake-disturbances-after-traumatic-brain-injury-synthesis-of-human-and-animal-studies
#10
Danielle K Sandsmark, Jonathan E Elliott, Miranda M Lim
Sleep-wake disturbances following traumatic brain injury (TBI) are increasingly recognized as a serious consequence following injury and as a barrier to recovery. Injury-induced sleep-wake disturbances can persist for years, often impairing quality of life. Recently, there has been a nearly exponential increase in the number of primary research articles published on the pathophysiology and mechanisms underlying sleep-wake disturbances after TBI, both in animal models and human subjects, including in the pediatric population...
March 17, 2017: Sleep
https://www.readbyqxmd.com/read/28329071/association-of-mild-obstructive-sleep-apnea-with-cognitive-performance-excessive-daytime-sleepiness-and-quality-of-life-in-the-general-population-the-korean-genome-and-epidemiology-study-koges
#11
Hyun Kim, Robert J Thomas, Chang-Ho Yun, Rhoda Au, Seung Ku Lee, Sunghee Lee, Chol Shin
Study Objectives: Research points to impaired cognitive performance in sleep clinic patients with obstructive sleep apnea (OSA). However, inconsistent findings from various epidemiologic studies make this relationship less generalizable. The current study investigated the association between OSA functional outcome measures, such as cognition, daytime sleepiness, and quality of life, in a Korean general population sample. Methods: A total of 1,492 participants from the Korean Genome and Epidemiology Study (KoGES) were included in the analyses...
January 28, 2017: Sleep
https://www.readbyqxmd.com/read/28328690/the-first-use-of-pralidoxime-in-a-child-with-rivastigmine-poisoning
#12
Eylem Ulaş Saz, Ali Yurtseven, Mehmet Arda Kilinç, Yusuf Sari, Hasan Ağin
The aim of this report is to describe the successful use of pralidoxime in a pediatric patient who accidentally ingested 12 mg of rivastigmine and presented to the emergency department with weakness, drowsiness, hyporeactivity to environmental stimuli, and full cholinergic syndrome. CASE: The patient presented to the emergency department 2 hours after a suspected ingestion of rivastigmine. He was sleepy but oriented and cooperative, hypotonic, and hyporeflexic and has a Glasgow Coma Scale score of 13 (E3M6V4)...
March 21, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28327146/association-between-obstructive-sleep-apnea-severity-and-endothelial-dysfunction-in-patients-with-type-2-diabetes
#13
Vanessa Bironneau, François Goupil, Pierre Henri Ducluzeau, Marc Le Vaillant, Pierre Abraham, Samir Henni, Séverine Dubois, Audrey Paris, Pascaline Priou, Nicole Meslier, Claire Sanguin, Wojciech Trzépizur, Ramaroson Andriantsitohaina, Maria Carmen Martinez, Frédéric Gagnadoux
BACKGROUND: Obstructive sleep apnea (OSA) and type 2 diabetes (T2D) are associated with endothelial dysfunction a main predictor of late cardiovascular (CV) events. Despite the high prevalence of OSA in patients with T2D, the impact of OSA severity on endothelial function has not been clearly elucidated. The aim of this cross-sectional study was to determine whether increasing OSA severity is associated with poorer endothelial function in patients with T2D. METHODS: 140 patients with T2D and no overt CV disease underwent polysomnography, peripheral arterial tonometry, clinic blood pressure (BP) measurement, biological assessment for CV risk factors, daytime sleepiness and health related quality of life (HRQL) questionnaires...
March 21, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28326793/changes-in-habitual-sleep-duration-after-continuous-positive-airway-pressure-for-obstructive-sleep-apnea
#14
Ryo Tachikawa, Takuma Minami, Takeshi Matsumoto, Kimihiko Murase, Kiminobu Tanizawa, Morito Inouchi, Toru Oga, Kazuo Chin
RATIONALE: Obstructive sleep apnea (OSA) can affect not only sleep quality but also sleep duration. Determining the therapeutic effects of continuous positive airway pressure (CPAP) on habitual sleep profiles may shed light on the impact of OSA on sleep duration. OBJECTIVES: To determine whether and how CPAP affects habitual sleep duration in patients with OSA. METHODS: Assessments of sleep duration and sleep quality were performed on 57 newly diagnosed study subjects with OSA (46 men, median 63 years, apnea-hypopnea index >20 h-1) at baseline and 3 months after initiation of CPAP therapy...
March 22, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28326645/local-changes-in-the-wake-electroencephalogram-precedes-lane-departures
#15
Christer Ahlstrom, Sabina Jansson, Anna Anund
The objective of this exploratory study is to investigate if lane departures are associated with local sleep, measured via source-localized electroencephalography (EEG) theta power in the 5-9 Hz frequency range. Thirty participants drove in an advanced driving simulator, resulting in 135 lane departures at high levels of self-reported sleepiness. These lane departures were compared to matching non-departures at the same sleepiness level within the same individual. There was no correspondence between lane departures and global theta activity...
March 22, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28322171/dopaminergic-modulation-of-sleep-wake-states
#16
Andrea Herrera-Solís, Wendy Herrera-Morales, Luis Núñez-Jaramillo, Oscar Arias-Carrión
The role of dopamine in sleep-wake regulation is associated as a wakefulness-promoting agent. For the clinical treatment of excessive daytime sleepiness, drugs have been commonly used to increase dopamine release. However, sleep disorders or lack of sleep is related to several dopamine-related disorders. The effects of dopaminergic agents, nevertheless, are mediated by two families of dopamine receptors, D1 and D2-like receptors; the first family increases adenylyl cyclase activity and the second inhibits adenylyl cyclase...
March 20, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28321593/association-of-excessive-daytime-sleepiness-with-migraine-and-headache-frequency-in-the-general-population
#17
Knut Stavem, Håvard Anton Kristiansen, Espen Saxhaug Kristoffersen, Kari Jorunn Kværner, Michael Bjørn Russell
BACKGROUND: Some previous studies have postulated an association between migraine and excessive daytime sleepiness (EDS). This study evaluated the association of EDS with migraine and headache frequency in a general population, after adjusting for potential confounding variables. METHODS: The study was a postal survey of a random age and gender-stratified sample of 40,000 persons aged 20 to 80 years old drawn by the National Population Register in Norway. The questionnaire included questions about migraine, headache, the Epworth sleepiness scale (ESS) and various comorbidities...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28320604/sleep-disorders-in-children-with-moderate-to-severe-persistent-allergic-rhinitis
#18
Jessica Loekmanwidjaja, Ana Cláudia F Carneiro, Maria Lúcia T Nishinaka, Daniela A Munhoes, Gabriela Benezoli, Gustavo F Wandalsen, Dirceu Solé
INTRODUCTION: Allergic rhinitis is associated with several complications, including sleep disorders. The Children's Sleep Habits Questionnaire has been recently translated and validated in Portuguese for the evaluation of sleep disorders in children. OBJECTIVE: To assess sleep disorders in children with moderate to severe persistent allergic rhinitis and to correlate the findings with disease severity markers. METHODS: We evaluated 167 children (4-10 years), 112 with allergic rhinitis and 55 controls...
February 27, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28320135/further-evidence-for-the-reliability-and-validity-of-the-fatigue-and-daytime-sleepiness-scale
#19
Benjamin Gallais, Cynthia Gagnon, Geneviève Forgues, Isabelle Côté, Luc Laberge
BACKGROUND: Myotonic dystrophy type 1 (DM1) is an inherited neuromuscular disease causing, among other symptoms, fatigue and excessive daytime sleepiness, which are frequently undifferentiated by patients and/or clinicians. The Fatigue and Daytime Sleepiness Scale (FDSS) has been devised to measure these two overlapping symptoms as a single clinical entity. OBJECTIVE: To further examine the reliability and the construct validity of the FDSS in patients with DM1...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319182/the-viability-of-an-ecologically-valid-chronic-sleep-restriction-and-circadian-timing-protocol-an-examination-of-sample-attrition-compliance-and-effectiveness-at-impacting-sleepiness-and-mood
#20
David L Dickinson, Sean P A Drummond, Todd McElroy
Chronic sleep restriction (SR) increases sleepiness, negatively impacts mood, and impairs a variety of cognitive performance measures. The vast majority of work establishing these effects are tightly controlled in-lab experimental studies. Examining commonly-experienced levels of SR in naturalistic settings is more difficult and generally involves observational methods, rather than active manipulations of sleep. The same is true for analyzing behavioral and cognitive outcomes at circadian unfavorable times...
2017: PloS One
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