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Psychophysical changes after total sleep deprivation and experimental muscle pain J. Sleep Res. (IF 3.4) Pub Date : 2024-09-18 Emma Hertel, Elaxmi Sathiyalingam, Linea Pilgaard, Simone Juline Brommann, Rocco Giordano, Kristian Kjær‐Staal Petersen
SummarySleep disturbances exacerbate chronic pain, increase psychological load, and increase inflammation. Delayed onset muscle soreness (DOMS) mimics aspects of chronic pain, predominantly affecting peripheral pain mechanisms, while experimental sleep provocations have been shown to impact central pain mechanisms. This study aimed to combine a DOMS model with total sleep deprivation (TSD) to create
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Profiling the sleep architecture of ageing adults using a seven‐state continuous‐time Markov model J. Sleep Res. (IF 3.4) Pub Date : 2024-09-18 Jonathon Jacobs, Caitlin E. Martin, Bernard Fuemmeler, Shanshan Chen
SummarySleep is a complex biological process regulated by networks of neurons and environmental factors. As one falls asleep, neurotransmitters from sleep–wake regulating neurones work in synergy to control the switching of different sleep states throughout the night. As sleep disorders or underlying neuropathology can manifest as irregular switching, analysing these patterns is crucial in sleep medicine
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The effects of alternate‐day fasting on sleep and physical activity in poor sleeping adults: A randomized control trial J. Sleep Res. (IF 3.4) Pub Date : 2024-09-17 Landon S. Deru, Cameron G. Jacobsen, Elizabeth Z. Gipson, Parker G. Graves, Andrew J. Stevens, Garrett B. Duncan, William F. Christensen, Bruce W. Bailey
SummaryUtilizing a randomized control design, 42 healthy adults (22.5 ± 2.8 years) participated in alternate‐day modified fasting over a 12‐day treatment period. Assessments of sleep included sleep time, efficiency, latency and wake after sleep onset, and assessments of physical activity included steps, energy expenditure, sedentary time, time spent in light physical activity and time spent in moderate‐to‐vigorous
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The 70 years since the discovery of rapid eye movement sleep: history, electroencephalographic features and unsolved issues J. Sleep Res. (IF 3.4) Pub Date : 2024-09-17 Liborio Parrino, Francesco Rausa, Giulia Balella, Dario Bottignole, Ivana Rosenzweig, Carlotta Mutti
SummaryThis article aims at providing a comprehensive review of the historical discovery and following research on rapid eye movement (REM) sleep, highlighting its manifold nature as a behavioural, electrophysiological and dreaming state. Pioneering works conducted by Aserinsky, Kleitman, Dement and Jouvet established the foundational understanding of REM sleep recurrence, brainstem mechanisms, and
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Decrease of excessive daytime sleepiness after shunt treatment for normal pressure hydrocephalus J. Sleep Res. (IF 3.4) Pub Date : 2024-09-14 Simon Lidén, Anna Lindam, Dan Farahmand, Anne‐Marie Landtblom, Katarina Laurell
SummarySleepiness and apathy are often reported in patients with normal pressure hydrocephalus. However, research on outcomes after shunt surgery has mainly focused on the classical triad symptoms, that is, gait, cognition, and bladder dysfunction. This study aimed to describe the effects of shunt treatment on excessive daytime sleepiness and whether there was a relation to changes in ventricular volume
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Respiratory safety of lemborexant in adult and elderly subjects with moderate‐to‐severe chronic obstructive pulmonary disease J. Sleep Res. (IF 3.4) Pub Date : 2024-09-13 Jocelyn Y. Cheng, Daniel Lorch, Nancy Hall, Margaret Moline
SummaryBecause some hypnotics worsen respiratory conditions, it was important to determine the respiratory safety of lemborexant, a competitive dual orexin‐receptor antagonist approved to treat adults with insomnia, in subjects with moderate‐to‐severe chronic obstructive pulmonary disease. E2006‐A001‐113 (Study 113; NCT04647383) was a multicentre, multiple‐dose, randomised, double‐blind, placebo‐controlled
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The relationship between sleep and interoception J. Sleep Res. (IF 3.4) Pub Date : 2024-09-13 Louisa G. Bynum, Ryan C. Brindle
SummaryThe present study aimed to characterise the relationship between sleep and interoception in two independent studies. Theoretical grounds for such a relationship include a weak relationship between subjectively‐ and objectively‐measured sleep, the covariance of sleep with pain, as well as the mass regulation of a number of visceral biological systems. In addition, such a relationship is often
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Dream habits in a large cohort of preteens and their relation to sleep and nocturnal awakenings J. Sleep Res. (IF 3.4) Pub Date : 2024-09-11 Jean‐Baptiste Eichenlaub, Romain Bouet, Mathieu Pinelli, Sophie Portrat
SummaryThe present study examined dream habits, and their relation to sleep patterns, in 1151 preteens (597 boys; 554 girls; 11.31 ± 0.62 years old). Dream questionnaires assessed the frequency of dream recall, nightmare, and lucid dream, as well as the intensity of emotions experienced in dreams. Sleep variables included sleep duration and efficiency, but also different measurements of nocturnal awakenings
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Correction to ‘The future of JSR: Hybrid or Open Access publishing, and launch of a sister journal?’ J. Sleep Res. (IF 3.4) Pub Date : 2024-09-11
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Associations between real‐life light exposure patterns and sleep behaviour in adolescents J. Sleep Res. (IF 3.4) Pub Date : 2024-09-11 Luísa da Costa Lopes, Julia Ribeiro da Silva Vallim, Sergio Tufik, Fernando Louzada, Vânia D'Almeida
SummaryOne of the most striking changes in the regulation of sleep–wake behaviour during adolescence is circadian phase delay. Light exposure synchronises circadian rhythms, impacting sleep regulation, however, the influence of real‐life light exposure on sleep variations remains less clear. We aimed to describe the sleep and light exposure patterns of high school students with comparable schedules
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REM sleep without atonia and neurocognitive function in isolated REM sleep behaviour disorder: Cross‐sectional and longitudinal study J. Sleep Res. (IF 3.4) Pub Date : 2024-09-10 Sukhoon Kang, Jung Kyung Hong, Chan‐Hyung Kim, Ji Soo Kim, In‐Young Yoon
SummaryThis study investigated the relationship between rapid eye movement sleep without atonia and cognitive profiles in individuals diagnosed with isolated rapid eye movement sleep behaviour disorder, assesssing both cross‐sectional associations and their link to phenoconversion in a longitudinal follow‐up. Participants underwent video‐polysomnography, neurological examination, neuropsychological
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Early sleep apnea treatment in stroke (eSATIS) – a multicentre, randomised controlled, rater‐blinded, clinical trial: The association of post‐stroke cognition with sleep‐disordered breathing and its treatment J. Sleep Res. (IF 3.4) Pub Date : 2024-09-10 Irina Filchenko, Simone B. Duss, Saskia Salzmann, Anne‐Kathrin Brill, Lyudmila Korostovtseva, Valeria Amelina, Sébastien Baillieul, Corrado Bernasconi, Markus H. Schmidt, Claudio L. A. Bassetti
SummarySleep‐disordered breathing (SDB) is linked to cognitive dysfunction. Although SDB is common in stroke patients, the impact of SDB and its early treatment on cognitive functioning after stroke remains poorly investigated. Therefore, we explored the association between SDB and post‐stroke cognitive functioning, including the impact of early SDB treatment with adaptive servo‐ventilation (ASV) on
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Parasomnias and sleep‐related movement disorders induced by drugs in the adult population: a review about iatrogenic medication effects J. Sleep Res. (IF 3.4) Pub Date : 2024-09-07 Sylvain Dumont, Vanessa Bloch, Agnès Lillo‐Lelouet, Christine Le Beller, Pierre A. Geoffroy, Marc Veyrier
SummaryParasomnias and sleep‐related movement disorders (SRMD) are major causes of sleep disorders and may be drug induced. The objective of this study was to conduct a systematic review of the literature to examine the association between drug use and the occurrence of parasomnias and SRMD. Following Preferred Reporting Items for Systematic Reviews and Meta‐Analyses guidelines for reporting systematic
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Objective and subjective measurement of sleep in people who use substances: Emerging evidence and recommendations from a systematic review J. Sleep Res. (IF 3.4) Pub Date : 2024-09-06 Heather E. Webber, Jessica C. Badawi, Joy M. Schmitz, Jin H. Yoon, Douglas J. Calvillo, Cabrina I. Becker, Scott D. Lane
SummaryPeople who use substances commonly experience sleep disruptions, affecting the regulation of physical and mental health, and presenting a significant barrier to treatment success. Sleep impairments are noted in all phases of substance use; however, differences between subjective versus objective methods used to measure sleep quality have been reported. While polysomnography is the gold‐standard
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Long COVID symptoms and sleep problems: a population‐based study J. Sleep Res. (IF 3.4) Pub Date : 2024-09-05 Anna Letícia, Rosália Garcia Neves, Yohana Pereira Vieira, Tatiane Nogueira Gonzales, Melissa Marochi, Rodrigo Zopellaro Reis, Karla Pereira Machado, Suele Manjourany Silva Duro, Mirelle de Oliveira Saes
SummaryTo investigate the association between symptoms of long‐term effects of coronavirus disease 2019 (long COVID) and sleep problems in a sample population from southern Brazil. This cross‐sectional study used data from the SULcovid‐19 survey, developed in the municipality of Rio Grande, RS, Brazil. The outcome, long COVID, was investigated through the presence of 18 symptoms, and the exposure variable
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Sleep diaries and other subjective measures are essential for the assessment of insomnia J. Sleep Res. (IF 3.4) Pub Date : 2024-09-04 Michael Perlis, Michael Grandner, Donn Posner, Kai Spiegelhalder, Dieter Riemann
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Cost‐effectiveness analysis of continuous positive airway pressure treatment for obstructive sleep apnea in Singapore from a health system perspective J. Sleep Res. (IF 3.4) Pub Date : 2024-09-04 Fanwen Meng, Gary Yee Ang, Ruth Rui Ying Chang, Chuen Peng Lee, Kelvin Bryan Tan, John Arputhan Abisheganaden
SummaryThis study assessed the cost‐effectiveness of continuous positive airway pressure treatment for obstructive sleep apnea in Singapore from a health system perspective. The analysis evaluated a 5‐year care pathway using a Markov model, considering per‐patient costs of treatment, health system cost savings of obstructive sleep apnea and attributed conditions, the effectiveness measured in disability‐adjusted
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Novel murine closed‐loop auditory stimulation paradigm elicits macrostructural sleep benefits in neurodegeneration J. Sleep Res. (IF 3.4) Pub Date : 2024-09-03 Inês Dias, Sedef Kollarik, Michelle Siegel, Christian R. Baumann, Carlos G. Moreira, Daniela Noain
SummaryBoosting slow‐wave activity (SWA) by modulating slow waves through closed‐loop auditory stimulation (CLAS) might provide a powerful non‐pharmacological tool to investigate the link between sleep and neurodegeneration. Here, we established mouse CLAS (mCLAS)‐mediated SWA enhancement and explored its effects on sleep deficits in neurodegeneration, by targeting the up‐phase of slow waves in mouse
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Agrypnia excitata: a human model to explore the derailment of sleep–wake cycle integrated control J. Sleep Res. (IF 3.4) Pub Date : 2024-09-03 Carlotta Mutti, Luca Baldelli, Pietro Cortelli, Liborio Parrino, Federica Provini
SummaryThe commemoration of the 70th anniversary of rapid eye movement sleep discovery offers a unique possibility to reassess the peculiar organic condition of agrypnia excitata. Agrypnia excitata is characterized by a severe loss of sleep leading to a complete derangement of physiological sleep–wake cycle and body homeostasis. Agrypnia excitata is a definite clinico‐neurophysiological condition characterized
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Sleep and cardiac autonomic modulation in older adults: Insights from an at‐home study with auditory deep sleep stimulation J. Sleep Res. (IF 3.4) Pub Date : 2024-09-03 Stephanie Huwiler, M. Laura Ferster, Luzius Brogli, Reto Huber, Walter Karlen, Caroline Lustenberger
SummaryThe autonomic nervous system regulates cardiovascular activity during sleep, likely impacting cardiovascular health. Aging, a primary cardiovascular risk factor, is associated with cardiac autonomic disbalance and diminished sleep slow waves. Therefore, slow waves may be linked to aging, autonomic activity and cardiovascular health. However, it is unclear how sleep and slow waves are linked
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Influence of sleep on motor skill acquisition in children: a systematic review J. Sleep Res. (IF 3.4) Pub Date : 2024-08-29 José Messias Vieira Marques Filho, Antônio Anderson Ramos de Oliveira, Veralice Meireles Sales de Bruin, Ricardo Borges Viana, Pedro Felipe Carvalhedo de Bruin
SummaryEffects of sleep on procedural (implicit) memory consolidation in children remain controversial. The aim of this systematic review was to synthesise the evidence on the influence of sleep on motor skills acquisition in children. Four electronic databases were searched: PubMed, Cochrane Central Register of Controlled Trials (CENTRAL), Excerpta Medica Database (Embase), and Biblioteca Virtual
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Sleep and neurology, insomnia, sleep disordered breathing, nightmares and much more! J. Sleep Res. (IF 3.4) Pub Date : 2024-08-28 Dieter Riemann
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Sleep disruption and sleep position: Increased wake frequency in supine predicts lateral position preference J. Sleep Res. (IF 3.4) Pub Date : 2024-08-28 Lionel Rayward, Selina W. K. Ho, Daniel Green, J. Paige Little
SummaryLittle is known about the physiological and biomechanical factors that determine individual preferences in lying posture during sleep. This study investigated relationships between position preference and position‐specific arousals, awakenings, limb movements and limb movement arousals to explore the mechanisms by which biomechanical factors influence position preference. Forty‐one mature‐aged
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Loss of rapid eye movement atonia in rapid eye movement sleep behaviour disorder and narcolepsy J. Sleep Res. (IF 3.4) Pub Date : 2024-08-22 Franziska Edlinger, Marion Böck, Stefan Seidel, Karin Trimmel
SummaryA reduction of physiological muscle atonia during rapid eye movement sleep is characteristic in patients with rapid eye movement sleep behaviour disorder, however, it can also be found in narcolepsy patients. We evaluated rapid eye movement sleep associated electromyographic activity to set cut‐off values of rapid eye movement sleep without atonia, differentiating rapid eye movement sleep behaviour
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Polygenic risk scores for mood disorders and actigraphy estimates of sleep and circadian rhythms: A preliminary study in bipolar disorders J. Sleep Res. (IF 3.4) Pub Date : 2024-08-22 Vincent Hennion, Jan Scott, Victoire Martinot, Ophélia Godin, Cynthia Marie‐Claire, Frank Bellivier, Stéphane Jamain, Bruno Etain
SummaryIn bipolar disorders, abnormalities of sleep patterns and of circadian rhythms of activity are observed during mood episodes, but also persist during euthymia. Shared vulnerabilities between mood disorders and abnormalities of sleep patterns and circadian rhythms of activity have been suggested. This exploratory study investigated the association between polygenic risk scores for bipolar disorder
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Sex‐based disparities in dopamine agonist response in patients with restless legs syndrome J. Sleep Res. (IF 3.4) Pub Date : 2024-08-20 Maria P. Mogavero, Elena Antelmi, Giuseppe Lanza, Sara Marelli, Alessandra Castelnuovo, Michele Tinazzi, Lourdes M. DelRosso, Rosalia Silvestri, Raffaele Ferri, Luigi Ferini Strambi
SummaryThis study aimed to investigate sex‐related differences in the response to ropinirole and pramipexole in patients with restless legs syndrome (RLS). By analysing clinical parameters and polysomnographic (PSG) findings, we sought to elucidate the potential factors related to sex disparities modulating treatment responses and sleep quality in RLS. A total of 41 drug‐free patients with RLS, aged
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Chronotype in relation to shift work: A cohort study among 37,731 female nurses J. Sleep Res. (IF 3.4) Pub Date : 2024-08-20 Linske de Bruijn, Nina E. Berentzen, Roel C. H. Vermeulen, Jelle J. Vlaanderen, Hans Kromhout, Flora E. van Leeuwen, Michael Schaapveld
SummaryChronotype may affect tolerance for circadian disruption induced by shift work. This study examines the association between chronotype, self‐reported sleep timing, shift type preference, and sleep problems among nurses, and studies chronotype stability over time. The study included 37,731 Dutch female nurses who completed a baseline (2011) and follow‐up questionnaire (2017), with information
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States of consciousness and interoceptive hypersensibility: A study in patients with insomnia disorder. J. Sleep Res. (IF 3.4) Pub Date : 2024-08-19 Gaspare Alfì,Julia Maruani,Giulia Aquino,Danilo Menicucci,Laura Palagini,Angelo Gemignani,Balthazar Bazin,Emmanuelle Clerici,Emilie Stern,Pierre A Geoffroy
This exploratory study aimed to investigate the relationship between interoceptive sensibility and quality of consciousness in individuals with insomnia disorder, in order to understand how the modulation of internal states may contribute to modifying the experience of consciousness during sleep difficulties. A total of 37 patients with insomnia disorder (mean age = 46.05 ± 18.16) and 41 healthy good
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Autonomic cardiovascular control is unaffected in children referred for assessment of excessive daytime sleepiness J. Sleep Res. (IF 3.4) Pub Date : 2024-08-16 Jamilla Francis, Georgina Plunkett, Marisha Shetty, Margot J. Davey, Gillian M. Nixon, Lisa M. Walter, Rosemary S. C. Horne
SummaryThere is conflicting evidence for impaired autonomic control of heart rate (HR) in adults with narcolepsy and idiopathic hypersomnolence (IH). Despite these chronic hypersomnia conditions primarily being diagnosed around the age of puberty, there are limited studies in children. The present study investigated cardiovascular control using heart rate variability (HRV) and the extent of nocturnal
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The role of hyperarousal for understanding the associations between sleep problems and emotional symptoms in family caregivers of people with dementia. A network analysis approach J. Sleep Res. (IF 3.4) Pub Date : 2024-08-16 Lucía Jiménez‐Gonzalo, Inés García‐Batalloso, María Márquez‐González, Isabel Cabrera, Javier Olazarán, Andrés Losada‐Baltar
SummaryCaregiving for a family member with dementia is a stressful situation that has been associated with symptoms of depression, anxiety, and insomnia. Several models have highlighted the role of hyperarousal for understanding sleep disorders; however, there is little evidence about how insomnia, depression, and anxiety are linked together. Network analysis could help to explore the mechanisms underlying
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The effects of the space environment on circadian rhythm and sleep in astronauts: An emphasis on the telomere length dynamics associated with sleep J. Sleep Res. (IF 3.4) Pub Date : 2024-08-14 Ellen M. S. Xerfan, Priscila F. Tempaku, Sergio Tufik, Monica L. Andersen
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Objective alertness, rather than sleep duration, is associated with burnout and depression: A national survey of Japanese physicians J. Sleep Res. (IF 3.4) Pub Date : 2024-08-13 Hiroo Wada, Mathias Basner, Makayla Cordoza, David Dinges, Takeshi Tanigawa
SummaryApproximately 40% of Japanese physicians report working more than 960 hr of overtime annually, with 10% exceeding 1860 hr. To protect their health, annual overtime limits went into effect in 2024. The objective of this study was to investigate associations of self‐reported sleep duration with psychological health and objective alertness. This was a cross‐sectional National Survey for The Work
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Moving beyond bruxism episode index: Discarding misuse of the number of sleep bruxism episodes as masticatory muscle pain biomarker J. Sleep Res. (IF 3.4) Pub Date : 2024-08-13 Mieszko Wieckiewicz, Helena Martynowicz, Gilles Lavigne, Takafumi Kato, Frank Lobbezoo, Joanna Smardz, Jari Ahlberg, Efraim Winocur, Alona Emodi‐Perlman, Claudia Restrepo, Anna Wojakowska, Pawel Gac, Grzegorz Mazur, Marta Waliszewska‐Prosol, Witold Swienc, Daniele Manfredini
SummaryThe objective of the current study was to evaluate the clinical utility of bruxism episode index in predicting the level of masticatory muscle pain intensity. The study involved adults (n = 220) recruited from the Outpatient Clinic of Temporomandibular Disorders at the Department of Experimental Dentistry, Wroclaw Medical University, during the period 2017–2022. Participants underwent medical
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Dimensionality and cross‐language invariance of Pittsburgh Sleep Quality Index among Indian adolescents and adults J. Sleep Res. (IF 3.4) Pub Date : 2024-08-12 Ashutosh Pandey, Vishnukant Tripathi, Meenakshi Shukla, Rakesh Pandey
SummarySleep quality, key to physical and mental health, requires regular assessment in clinical and non‐clinical settings. Despite widespread use, the dimensionality of the Pittsburgh Sleep Quality Index (PSQI) is debated, and its Hindi version's factor structure remains unexplored. Our study evaluates the PSQI's dimensionality among Indian adolescents and adults aiming to demonstrate cross‐language
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Pharmacokinetics, safety, and efficacy of daridorexant in Japanese subjects: Results from phase 1 and 2 studies J. Sleep Res. (IF 3.4) Pub Date : 2024-08-09 Makoto Uchiyama, Kazuo Mishima, Tomoko Yagi, Tatsuya Yoshihara, Takashi Eto, Clemens Muehlan, Osamu Togo, Yuichi Inoue
SummaryDaridorexant is a dual orexin receptor antagonist for the treatment of insomnia. We report results from the first two randomised, double‐blind clinical studies of daridorexant in Japanese subjects. In the Phase 1 study, daridorexant (10, 25, 50 mg) or placebo were administered in the morning for 4 days in 24 young (mean age 26.9 years) and 24 older (mean age 69.7 years) healthy Japanese adults
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Incidence and risk factors of nocturnal penetrations and aspirations in patients with obstructive sleep apnea during drug‐induced sedation endoscopy J. Sleep Res. (IF 3.4) Pub Date : 2024-08-08 Igor Vainer, Raviv Allon, Yael Shapira‐Galitz, Lior Strinkovsky, Song Tar Toh, Shaun Loh, Uri Alkan
SummaryObstructive sleep apnea has been linked to an increased risk of pneumonia, possibly due to higher rates of nighttime aspirations. Few studies have directly investigated such aspirations in individuals with sleep apnea. This retrospective study included 142 adult patients with obstructive sleep apnea who underwent drug‐induced sedation endoscopy between 2017 and 2020. The incidence of penetrations
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Benzodiazepine‐receptor agonist prescription in a population of hospitalised patients in four psychogeriatric units in Switzerland J. Sleep Res. (IF 3.4) Pub Date : 2024-08-08 Maria Dalmau i Ribas, Julien Sauser, Estelle Gillès de Pélichy, Montserrat Méndez Rubio, Jean‐Pierre Schuster, Armin Von Gunten, José Haba‐Rubio
SummaryThe aim of this study is to describe the patterns of prescription of benzodiazepine‐receptor agonists in hospitalised patients in four psychogeriatric units in Switzerland. This is a retrospective cross‐sectional study that included patients aged 65 years or more hospitalised in one of the four psychogeriatric units of a university hospital in Switzerland during 2019. The presence, type and
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Automated remote sleep monitoring needs uncertainty quantification J. Sleep Res. (IF 3.4) Pub Date : 2024-08-08 Elisabeth R. M. Heremans, Laura Van den Bulcke, Nabeel Seedat, Astrid Devulder, Pascal Borzée, Bertien Buyse, Dries Testelmans, Maarten Van Den Bossche, Mihaela van der Schaar, Maarten De Vos
SummaryWearable electroencephalography devices emerge as a cost‐effective and ergonomic alternative to gold‐standard polysomnography, paving the way for better health monitoring and sleep disorder screening. Machine learning allows to automate sleep stage classification, but trust and reliability issues have hampered its adoption in clinical applications. Estimating uncertainty is a crucial factor
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Effects of high‐intensity interval training on sleep disturbances associated with posttraumatic stress disorder J. Sleep Res. (IF 3.4) Pub Date : 2024-08-07 Anima Pieper, Felix Bermpohl, Kristina Meyer, Rouven Bathe‐Peters, Viola Trobisch, Antonia Schulte, Maximilian Grummt, Bernd Wolfarth, Andreas Ströhle, Nikola Schoofs, Kathlen Priebe
SummarySleep disturbances are common in individuals with posttraumatic stress disorder. Exercise interventions are a promising approach in the treatment of sleep disorders, but little is known about the efficacy of exercise interventions for sleep disturbances associated with posttraumatic stress disorder. A total of 40 individuals with posttraumatic stress disorder were randomized to six sessions
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The Sleep Condition Indicator (SCI): Psychometric properties of the European Portuguese version J. Sleep Res. (IF 3.4) Pub Date : 2024-08-05 Daniel Ruivo Marques, Vanda Clemente, Ana Allen Gomes, Sofia Fontoura Dias, Christopher B. Miller, Colin A. Espie, Maria Helena Pinto de Azevedo
SummaryInsomnia is a highly prevalent sleep disorder. It is the most frequent sleep complaint among Higher Education students. The Sleep Condition Indicator is a self‐report tool aimed at assessing insomnia based on the DSM‐5 criteria. The principal goal of this study was to establish preliminary psychometric properties of the European Portuguese version of the Sleep Condition Indicator in a sample
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Alterations in functional brain connectivity following treatment for restless legs syndrome: The role of symptom improvement in restoring functional connectivity J. Sleep Res. (IF 3.4) Pub Date : 2024-08-05 Kang Min Park, Keun Tae Kim, Dong Ah Lee, Yong Won Cho
SummaryThe pathophysiology of restless legs syndrome (RLS) remains incompletely understood. Although several studies have investigated the alterations of brain connectivity as one of the pathophysiological mechanisms of RLS, there are only few reports on functional connectivity changes after RLS treatment. Forty‐nine patients with newly diagnosed RLS and 50 healthy controls were prospectively enrolled
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Habitual rapid eye movement sleep predicts changes in test‐anxiety levels weeks in advance J. Sleep Res. (IF 3.4) Pub Date : 2024-07-31 Emerson Larios, Itamar Lerner
SummaryPrevious research has linked rapid eye movement sleep to emotional processing, particularly stress. Lab studies indicate that rapid eye movement sleep deprivation and fragmentation heighten emotional reactivity and stress response. This relationship extends to natural settings, where poor‐quality sleep among college students correlates with increased academic stress and lower academic performance
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Sleep is associated with telomere shortening: A population‐based longitudinal study J. Sleep Res. (IF 3.4) Pub Date : 2024-07-26 Priscila Farias Tempaku, Vânia D'Almeida, Monica Levy Andersen, Sergio Tufik
SummaryAs the chronological age increases, there is a decrease in the telomere length (TL). Associations between TL and age‐related diseases have been described. Since the major pathophysiological factors related to inadequate sleep (including sleep complaints and sleep disorders) contribute to the exacerbation of inflammation and oxidative stress, an association of sleep and TL has been proposed.
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Sleep discrepancy and cognitive function in community‐dwelling older adults J. Sleep Res. (IF 3.4) Pub Date : 2024-07-26 Nadia Soh, Stephanie R. Rainey‐Smith, James D. Doecke, Rodrigo Canovas, Romola S. Bucks, Melissa Ree, Michael Weinborn
SummaryThis was the first study to use cluster analysis to characterise sleep discrepancy (the discordance between self‐reported and objective sleep) across multiple sleep parameters, in community‐dwelling older adults. For sleep efficiency, negative discrepancy (the tendency to self‐report worse sleep than objectively‐measured) was associated with poorer memory, independent of insomnia severity, depressive
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Characterisation of sleep apneas and respiratory circuitry in mice lacking CDKL5 J. Sleep Res. (IF 3.4) Pub Date : 2024-07-25 Gabriele Matteoli, Sara Alvente, Stefano Bastianini, Chiara Berteotti, Elisabetta Ciani, Elenia Cinelli, Viviana Lo Martire, Giorgio Medici, Tommaso Mello, Elena Miglioranza, Alessandro Silvani, Donatella Mutolo, Giovanna Zoccoli
SummaryCDKL5 deficiency disorder is a rare genetic disease caused by mutations in the CDKL5 gene. Central apneas during wakefulness have been reported in patients with CDKL5 deficiency disorder. Studies on CDKL5‐knockout mice, a CDKL5 deficiency disorder model, reported sleep apneas, but it is still unclear whether these events are central (central sleep apnea) or obstructive (obstructive sleep apnea)
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Feasibility and usability of three consecutive nights with self‐applied, home polysomnography J. Sleep Res. (IF 3.4) Pub Date : 2024-07-25 Ferretti Dimitri, Anna S. Islind, Kristín A. Ólafsdóttir, Sigridur Sigurdardottir, Kamilla R. Jóhannsdóttir, Jan Hedner, Ludger Grote, Erna Sif Arnardottir
SummaryIn‐laboratory polysomnography, the gold‐standard for diagnosing sleep disorders, is resource‐demanding and not conducive to multiple night evaluations. Ambulatory polysomnography, especially when self‐applied, could be a viable alternative. This study aimed to assess the feasibility and reliability of self‐applied polysomnography over three consecutive nights in untrained participants, assessing:
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The Ecology of Human Sleep (EcoSleep) Cohort Study: Protocol for a longitudinal repeated measurement burst design study to assess the relationship between sleep determinants and outcomes under real‐world conditions across time of year J. Sleep Res. (IF 3.4) Pub Date : 2024-07-23 Anna M. Biller, Nayab Fatima, Chrysanth Hamberger, Laura Hainke, Verena Plankl, Amna Nadeem, Achim Kramer, Martin Hecht, Manuel Spitschan
SummaryThe interplay of daily life factors, including mood, physical activity, or light exposure, influences sleep architecture and quality. Laboratory‐based studies often isolate these determinants to establish causality, thereby sacrificing ecological validity. Furthermore, little is known about time‐of‐year changes in sleep and circadian‐related variables at high resolution, including the magnitude
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Ageing‐related modification of sleep and breathing in orexin‐knockout narcoleptic mice J. Sleep Res. (IF 3.4) Pub Date : 2024-07-20 Stefano Bastianini, Sara Alvente, Chiara Berteotti, Viviana Lo Martire, Gabriele Matteoli, Elena Miglioranza, Alessandro Silvani, Giovanna Zoccoli
SummaryNarcolepsy type‐1 (NT1) is a lifelong sleep disease, characterised by impairment of the orexinergic system, with a typical onset during adolescence and young adulthood. Since the wake–sleep cycle physiologically changes with ageing, this study aims to compare sleep patterns between orexin‐knockout (KO) and wild type (WT) control mice at different ages. Four groups of age‐matched female KO and
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Sleep‐specific repetitive negative thinking processes and prenatal insomnia symptoms: A naturalistic follow‐up study from mid‐ to late‐pregnancy J. Sleep Res. (IF 3.4) Pub Date : 2024-07-18 Juan Wang, Yongqi Huang, Liuliu Wu, Yaoyao Sun, Xuan Zhang, Fenglin Cao
SummaryInsomnia symptoms are highly prevalent during pregnancy; therefore, identifying modifiable risk markers is important for risk prediction and early intervention. This study aimed to examine the role of sleep‐specific rumination and sleep‐specific worry in prenatal insomnia symptoms. A total of 859 married pregnant women without history of psychiatric illnesses (mean [standard deviation] age,
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Detection and severity assessment of obstructive sleep apnea according to deep learning of single‐lead electrocardiogram signals J. Sleep Res. (IF 3.4) Pub Date : 2024-07-18 Yitong Zhang, Yewen Shi, Yonglong Su, Zine Cao, Chengjian Li, Yushan Xie, Xiaoxin Niu, Yuqi Yuan, Lina Ma, Simin Zhu, Yanuo Zhou, Zitong Wang, XinHong Hei, Zhenghao Shi, Xiaoyong Ren, Haiqin Liu
SummaryDeveloping a convenient detection method is important for diagnosing and treating obstructive sleep apnea. Considering availability and medical reliability, we established a deep‐learning model that uses single‐lead electrocardiogram signals for obstructive sleep apnea detection and severity assessment. The detection model consisted of signal preprocessing, feature extraction, time–frequency
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The electroretinography to identify biomarkers of idiopathic hypersomnia and narcolepsy type 1 J. Sleep Res. (IF 3.4) Pub Date : 2024-07-12 Héloïse Rach, Ulker Kilic‐Huck, Pierre A. Geoffroy, Tristan Bourcier, Sophie Braun, Henri Comtet, Elisabeth Ruppert, Laurence Hugueny, Marc Hebert, Eve Reynaud, Patrice Bourgin
SummaryHypersomnia spectrum disorders are underdiagnosed and poorly treated due to their heterogeneity and absence of biomarkers. The electroretinography has been proposed as a proxy of central dysfunction and has proved to be valuable to differentiate certain psychiatric disorders. Hypersomnolence is a shared core feature in central hypersomnia and psychiatric disorders. We therefore aimed to identify
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Neuronal network controlling REM sleep J. Sleep Res. (IF 3.4) Pub Date : 2024-07-08 Pierre‐Hervé Luppi, Justin Malcey, Amarine Chancel, Blandine Duval, Sébastien Cabrera, Patrice Fort
SummaryRapid eye movement sleep is a state characterized by concomitant occurrence of rapid eye movements, electroencephalographic activation and muscle atonia. In this review, we provide up to date knowledge on the neuronal network controlling its onset and maintenance. It is now accepted that muscle atonia during rapid eye movement sleep is due to activation of glutamatergic neurons localized in
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Chronic sleep deficiency and its impact on pain perception in healthy females J. Sleep Res. (IF 3.4) Pub Date : 2024-07-08 Shima Rouhi, Natalia Egorova‐Brumley, Amy S. Jordan
SummaryAcute sleep deprivation in experimental studies has been shown to induce pain hypersensitivity in females. However, the impact of natural sleep deficiency and fluctuations across the week on pain perception remains unclear. A sleep‐monitoring headband and self‐reports were utilized to assess objective and subjective sleep in longer (> 6 hr) and short sleepers (< 6 hr). Pain sensitivity measures
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REM sleep breathing: Insights beyond conventional respiratory metrics J. Sleep Res. (IF 3.4) Pub Date : 2024-07-04 Robert Joseph Thomas
SummaryBreathing and sleep state are tightly linked. The traditional approach to evaluation of breathing in rapid eye movement sleep has been to focus on apneas and hypopneas, and associated hypoxia or hypercapnia. However, rapid eye movement sleep breathing offers novel insights into sleep physiology and pathology, secondary to complex interactions of rapid eye movement state and cardiorespiratory
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Narcolepsy and rapid eye movement sleep J. Sleep Res. (IF 3.4) Pub Date : 2024-07-03 Francesco Biscarini, Lucie Barateau, Fabio Pizza, Giuseppe Plazzi, Yves Dauvilliers
SummarySince the first description of narcolepsy at the end of the 19th Century, great progress has been made. The disease is nowadays distinguished as narcolepsy type 1 and type 2. In the 1960s, the discovery of rapid eye movement sleep at sleep onset led to improved understanding of core sleep‐related disease symptoms of the disease (excessive daytime sleepiness with early occurrence of rapid eye
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Consciousness in non‐REM‐parasomnia episodes J. Sleep Res. (IF 3.4) Pub Date : 2024-07-02 Francesca Siclari
SummarySleepwalking and related parasomnias are thought to result from incomplete awakenings out of non‐rapid eye movement (non‐REM) sleep. Non‐REM parasomnia behaviours have been described as unconscious and automatic, or related to vivid, dream‐like conscious experiences. Similarly, some observations have suggested that patients are unresponsive during episodes, while others that they can interact
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Nightmares in Swiss elite athletes: Associated factors J. Sleep Res. (IF 3.4) Pub Date : 2024-07-02 Michael Schredl, Albrecht Vorster, Michael J. Schmid, Daniel Erlacher
SummaryNightmares, defined as extremely dysphoric dreams, can cause significant distress in everyday life if they occur frequently. Their aetiology is based on a disposition‐stress model. As elite athletes often experience high stress levels, the present study investigated factors that might be associated with nightmare frequency in a large cohort of 2297 Swiss elite athletes (1066 women, 1231 men)