Sjoerd J van Hasselt, Roelof A Hut, Giancarlo Allocca, Alexei L Vyssotski, Theunis Piersma, Niels C Rattenborg, Peter Meerlo
In modern society the night sky is lit up not only by the moon but also by artificial light devices. Both of these light sources can have a major impact on wildlife physiology and behaviour. For example, a number of bird species were found to sleep several hours less under full moon compared to new moon and a similar sleep-suppressing effect has been reported for artificial light at night (ALAN). Cloud cover at night can modulate the light levels perceived by wildlife, yet, in opposite directions for ALAN and moon...
January 7, 2021: Environmental Pollution
Renata L Riha, Serafeim-Chrysovalantis Kotoulas, Athanasia Pataka, John Arthur Kvamme, Pavol Joppa, Jan Hedner
BACKGROUND: The impact of removing the upper airway lymphoid tissue and in particular, tonsillectomy, in adults with OSA has not been demonstrated in large populations. AIMS: To compare the severity of OSA and the prevalence of cardiovascular, metabolic and respiratory co-morbidities between patients with OSA who had undergone previous tonsillectomy and those who had not. METHODS: The 19,711 participants in this study came from the European sleep apnea database (ESADA) which comprises data from unselected adult patients aged 18-80 years with a history of symptoms suggestive of OSA referred to sleep centers throughout Europe...
November 24, 2020: Sleep Medicine
Kijeong Lee, In Hak Choi, Yeji Hong, Hoyoung Lee, Sang Hag Lee, Tae Hoon Kim
OBJECTIVES: Previous studies have shown that sleep and allergic rhinitis (AR) is closely associated, bidirectionally affecting each other. Adolescence is a period that adequate sleep is essential, and the burden of AR increases, both of which greatly affect the quality of life. The aim of the present study was to investigate the correlation between inappropriate sleep duration and each AR-related subjective/objective factor in Korean adolescents. METHODS: We analyzed the data of 1936 adolescents aged between 12 and 18 years who participated in the Korea National Health and Nutrition Examination Survey from 2010 to 2012...
January 4, 2021: International Journal of Pediatric Otorhinolaryngology
Colin Reilly, Amy Muggeridge, J Helen Cross
PURPOSE: To garner the views of young people with epilepsy and caregivers regarding the impact of COVID-19 and subsequent restrictions in the UK. MEHODS: An online survey was used to explore the views of young people with epilepsy (n = 71) and caregivers (n = 130) in June 2020. It included questions on the impact of the pandemic and associated restrictions on the child's epilepsy and on child and parental wellbeing. RESULTS: One in three young people and 29 % of caregivers reported that the young person's seizures had increased during the pandemic (only 10 % of young people and 8% of caregivers reported a decrease)...
January 8, 2021: Seizure: the Journal of the British Epilepsy Association
Abigail Van Nuland, Anna Ivanenko, Mary Anne Meskis, Nicole Villas, Kelly G Knupp, Anne T Berg
OBJECTIVES: To describe and quantify the nature and severity of sleep disruptions in young people with Dravet syndrome (DS) based upon parent report. METHODS: Qualitative review of available pediatric sleep instruments with parent members of the Dravet syndrome Foundation led to the design of a series of questions customized to DS and other severe epilepsies. The questionnaire was administered as part of an on-line survey that reflected specific sleep-related concerns of parents of children with severe epilepsy...
January 7, 2021: Seizure: the Journal of the British Epilepsy Association
Anelia Dietmann, Camilla Gallino, Elena Wenz, Johannes Mathis, Claudio L A Bassetti
A multiple sleep latency test (MSLT) with occurrence of sleep onset REM periods (SOREMP) is considered one of the central diagnostic criteria for narcolepsy according to the International Classification of Sleep Disorders, but its sensitivity and specificity have been questioned. This study aims to describe MSLT and polysomnography (PSG) findings, including frequency and distribution of SOREMP during the day, in a large cohort of patients with central disorders of hypersomnolence (CDH). We retrospectively analyzed electrophysiological data from MSLT and PSG in 370 consecutive patients with narcolepsy type 1 (NT1, n = 97), type 2 (NT2, n = 31), idiopathic hypersomnia (IH, n = 48), nonorganic hypersomnia (NOH, n = 116) and insufficient sleep syndrome (ISS, n = 78)...
January 2, 2021: Sleep Medicine
Estefania Espitia-Bautista, Carolina Escobar
STUDY OBJECTIVES: Individuals ailing from night eating syndrome (NES) consume more than 25% of their daily food intake during the normal sleep time, delaying their sleep or waking up in the middle of the night to eat. This study explored two experimental conditions resembling NES in Wistar rats by offering palatable food during the sleep phase, alone or combined with sleep delay. Also we explored their impact on addiction-like changes in the brain and behavior. METHODS: Experiment 1 explored the brain response after a first NES-like event; experiment 2 and 3 explored addiction-like behaviors c-Fos and FosB/ΔFosB in corticolimbic regions after 4 weeks exposition to NES-like conditions and after one week of withdrawal, respectively...
January 13, 2021: Appetite
Zhuoying Chen, Zhi-Fan Xiong, Xiangjie Liu
Considerable researches implicate that the circadian clock regulates the responsive rhythms of organs and sets the orderly aging process of cells indirectly. It influences an array of diverse biological process including intestinal flora, peripheral inflammatory responses, and redox homeostasis. People with sleep disoders and other kinds of circadian disruptions are prone to have vascular aging earlier. Meanwhile, those people are always faced with chronic vascular inflammation. It has not been elucidated that the specific mechanism of the interaction between the circadian system and early vascular aging...
January 13, 2021: Experimental Gerontology
Ajith Cherian, Naveen Kumar Paramasivan, K P Divya
Dopa-responsive dystonia (DRD) and DRD plus are diseases of the dopamine pathway with sizeable genetic diversity and myriad presentations. DRD has onset in childhood or adolescence with focal dystonia, commonly affecting lower limb, diurnal fluctuations with evening worsening of symptoms and a demonstrable sleep benefit. DRD "plus" has "atypical features" which include infantile onset, psychomotor delay, cognitive abnormalities, oculogyric crisis, seizures, irritability, spasticity, hypotonia, ptosis, hyperthermia and cerebellar dysfunction...
January 16, 2021: Acta Neurologica Belgica
Morgan M Sandelski, Sarah M Drejet, David Zimmer, Jessica A Yesensky, Michael Moore, Avinash V Mantravadi, Michael W Sim
Transoral Robotic Surgery (TORS) is increasingly used for oropharyngeal neoplasms and obstructive sleep apnea. Post-operative pain and bleeding remain concerns. Ketorolac has proved to be a safe alternative or addition to narcotics in other operations, but has not been thoroughly evaluated in TORS. A retrospective review was carried out on all TORS cases at our institution between April 2012 and March 2019, with the vast majority of cases performed starting in 2017. Post-operative bleed rates were compared between those who received Ketorolac and those who did not...
January 16, 2021: Journal of Robotic Surgery
F A Etindele Sosso, E Matos
BACKGROUND: Considering socioeconomic status (SES) in the diagnosis of obstructive sleep apnea (OSA) will enhance our understanding of socioeconomic disparities in clinical practice of sleep medicine. This systematic review analyzes the relations between SES and OSA measures. METHODOLOGY: Eleven articles were identified through the Pubmed database. The National Institute of Health's Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies was used to rate the quality of these studies...
January 16, 2021: Sleep & Breathing
K R Bharath Kumar Reddy
No abstract text is available yet for this article.
January 15, 2021: Indian Pediatrics
Er-Jung Hsueh, El-Wui Loh, Joyce Jui-An Lin, Ka-Wai Tam
BACKGROUND: Complications of breast cancer treatment can cause physical and psychosocial distress in patients. Yoga demonstrates substantial potential as a supportive therapy for patients with breast cancer. Our aim is to conduct a meta-analysis of randomized controlled trials to evaluate the effectiveness of yoga in enhancing the quality of life (QoL) of patients with breast cancer. METHODS: We searched for studies published before March 2020 in the PubMed, Embase, and Cochrane Library databases...
January 15, 2021: Breast Cancer: the Journal of the Japanese Breast Cancer Society
Kristin L Schreiber, Nantthansorn Zinboonyahgoon, K Mikayla Flowers, Valerie Hruschak, Kara G Fields, Megan E Patton, Emily Schwartz, Desiree Azizoddin, Mieke Soens, Tari King, Ann Partridge, Andrea Pusic, Mehra Golshan, Rob R Edwards
BACKGROUND: Persistent post-mastectomy pain (PPMP) is a significant negative outcome occurring after breast surgery, and understanding which individual women are most at risk is essential to targeting of preventive efforts. The biopsychosocial model of pain suggests that factors from many domains may importantly modulate pain processing and predict the progression to pain persistence. METHODS: This prospective longitudinal observational cohort study used detailed and comprehensive psychosocial and psychophysical assessment to characterize individual pain-processing phenotypes in 259 women preoperatively...
January 15, 2021: Annals of Surgical Oncology
Young-Bo Kim, Nambeom Kim, Jae Jun Lee, Seo-Eun Cho, Kyoung-Sae Na, Seung-Gul Kang
Subjective-objective discrepancy of sleep (SODS) might be related to the distorted perception of sleep deficit and hypersensitivity to insomnia-related stimuli. We investigated differences in brain activation to insomnia-related stimuli among insomnia patients with SODS (SODS group), insomnia patients without SODS (NOSODS group), and healthy controls (HC). Participants were evaluated for subjective and objective sleep using sleep diary and polysomnography. Functional magnetic resonance imaging was conducted during the presentation of insomnia-related (Ins), general anxiety-inducing (Gen), and neutral (Neu) stimuli...
January 15, 2021: Scientific Reports
Jeong-Whun Kim, Jae-Cheul Ahn, Young-Seok Choi, Chae-Seo Rhee, Hahn Jin Jung
Identification of obstructive level is crucial for successful surgical outcomes in patients with obstructive sleep apnea (OSA). Unfortunately, most of the dynamic airway evaluations are performed for a short duration under drug-induced sleep; therefore, it is uncertain whether they represent airway events that occur during a whole night of sleep. This study was aimed to evaluate the correlation between obstructive levels that were identified by a short-time and a whole-night test in patients with OSA. Total 101 patients with OSA underwent drug-induced sleep fluoroscopy (DISF) and pressure manometry (PM)...
January 15, 2021: Scientific Reports
Leonie J T Balter, Tina Sundelin, John Axelsson
Fluctuations in health and sleep are common, but we know surprisingly little about how these daily life stressors affect one's level of frustration and sensitivity to becoming frustrated. In this pre-registered study, 517 participants (Mage  = 30.4, SD = 10.4) reported their current sickness symptoms, health status, sleepiness, and sleep duration and quality the previous night. They also rated their general frustration and mood before and after a mild frustration-eliciting task. In the task, participants were instructed to copy geometric shapes onto a piece of paper, without lifting the pen from the paper...
January 15, 2021: Scientific Reports
Diana Kurmakaeva, Evgeny Blagovechtchenski, Daria Gnedykh, Nadezhda Mkrtychian, Svetlana Kostromina, Yury Shtyrov
Previous behavioural and neuroimaging research suggested distinct cortical systems involved in processing abstract and concrete semantics; however, there is a dearth of causal evidence to support this. To address this, we applied anodal, cathodal, or sham (placebo) tDCS over Wernicke's area before a session of contextual learning of novel concrete and abstract words (n = 10 each), presented five times in short stories. Learning effects were assessed at lexical and semantic levels immediately after the training and, to attest any consolidation effects of overnight sleep, on the next day...
January 15, 2021: Scientific Reports
Tjitske E Zandstra, Marieke Nederend, Monique R M Jongbloed, Philippine Kiès, Hubert W Vliegen, Berto J Bouma, Laurens F Tops, Martin J Schalij, Anastasia D Egorova
OBJECTIVE: Pharmacological options for patients with a failing systemic right ventricle (RV) in the context of transposition of the great arteries (TGA) after atrial switch or congenitally corrected TGA (ccTGA) are not well defined. This study aims to investigate the feasibility and effects of sacubitril/valsartan treatment in a single-centre cohort of patients. METHODS: Data on all consecutive adult patients (n=20, mean age 46 years, 50% women) with a failing systemic RV in a biventricular circulation treated with sacubitril/valsartan in our centre are reported...
January 15, 2021: Heart
Sonia D Mehta, David Smyth, Terrie Vasilopoulos, Jeffrey Friedman, Joshua W Sappenfield, Gijo Alex
BACKGROUND: As the obesity epidemic worsens, anesthesiologists should expect to see more obese patients presenting for surgical procedures. Opioids cause respiratory depression, which has caused complications in patients with obstructive sleep apnea. Opioids can also cause nausea, prolonging the time that patients spend in the postanesthesia care unit. Ketamine is a potential analgesic alternative that may have advantages to narcotics in the bariatric population. OBJECTIVES: To determine whether an intraoperative ketamine infusion would reduce postoperative narcotic use in patients during the first 48 hours after laparoscopic gastric bypass...
December 1, 2020: Surgery for Obesity and Related Diseases
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