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Journal of Sleep Research

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https://www.readbyqxmd.com/read/28901656/the-effects-of-seasonal-affective-disorder-and-alcohol-abuse-on-sleep-and-snoring-functions-in-a-population-based-study-in-finland
#1
Isabel Morales-Muñoz, Seppo Koskinen, Timo Partonen
Seasonal affective disorder (SAD) is a recurrent depressive disorder with a seasonal pattern. In addition to some specific symptoms such as sad mood, low energy or carbohydrate craving, this mood disorder is also characterized by the presence of sleeping problems and alcohol disorders. Interestingly, there is a strong link between alcohol use and sleeping deficits. Although previous studies have focused extensively on the sleep patterns in SAD patients and patients with alcohol use disorder (AUD), no research has yet been conducted on subjects with comorbid SAD and AUD...
September 13, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28901049/arousal-responses-to-respiratory-events-during-sleep-the-role-of-pulse-wave-amplitude
#2
Marcello Bosi, Giulia Milioli, Silvia Riccardi, Andrea Melpignano, Anna E Vaudano, Pietro Cortelli, Venerino Poletti, Liborio Parrino
The study aims at assessing the changes in electroencephalography (as measured by the A-phases of cyclic alternating pattern) and autonomic activity (based on pulse wave amplitude) at the recovery of airway patency in patients with obstructive sleep apnea syndrome. Analysis of polysomnographic recordings from 20 male individuals with obstructive sleep apnea syndrome was carried out in total sleep time, non-rapid eye movement and rapid eye movement sleep. Scoring quantified the combined occurrence (time range of 4 s before and 4 s after respiratory recovery) or separate occurrence of A-phases (cortical activation), and pulse wave amplitude drops (below 30%) to apneas, hypopneas or flow limitation events...
September 12, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28884877/self-administered-acupressure-for-insomnia-disorder-a-pilot-randomized-controlled-trial
#3
Wing-Fai Yeung, Fiona Yan-Yee Ho, Ka-Fai Chung, Zhang-Jin Zhang, Branda Yee-Man Yu, Lorna Kwai-Ping Suen, Lily Ying-Tung Chan, Hai-Yong Chen, Lai-Ming Ho, Li-Xing Lao
Self-administered acupressure has potential as a low-cost alternative treatment for insomnia. To evaluate the short-term effects of self-administered acupressure for alleviating insomnia, a pilot randomized controlled trial was conducted. Thirty-one subjects (mean age: 53.2 years; 77.4% female) with insomnia disorder were recruited from a community. The participants were randomized to receive two lessons on either self-administered acupressure or sleep hygiene education. The subjects in the self-administered acupressure group (n = 15) were taught to practise self-administered acupressure daily for 4 weeks...
September 8, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28880425/chronic-sleep-reduction-is-associated-with-academic-achievement-and-study-concentration-in-higher-education-students
#4
Kristiaan B van der Heijden, Marije C M Vermeulen, Claire E H M Donjacour, Marijke C M Gordijn, Hans L Hamburger, Anne M Meijer, Karin J van Rijn, Monique Vlak, Tim Weysen
Inadequate sleep impairs cognitive function and has been associated with worse academic achievement in higher education students; however, studies that control for relevant background factors and include knowledge on sleep hygiene are scarce. This study examined the association of chronic sleep reduction (i.e. symptoms of chronic sleep reduction such as shortness of sleep, sleepiness and irritation), subjective sleep quality and sleep hygiene knowledge with academic achievement (grades and study credits) and study concentration among 1378 higher education students (71% female, mean age 21...
September 7, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28875581/european-guideline-for-the-diagnosis-and-treatment-of-insomnia
#5
REVIEW
Dieter Riemann, Chiara Baglioni, Claudio Bassetti, Bjørn Bjorvatn, Leja Dolenc Groselj, Jason G Ellis, Colin A Espie, Diego Garcia-Borreguero, Michaela Gjerstad, Marta Gonçalves, Elisabeth Hertenstein, Markus Jansson-Fröjmark, Poul J Jennum, Damien Leger, Christoph Nissen, Liborio Parrino, Tiina Paunio, Dirk Pevernagie, Johan Verbraecken, Hans-Günter Weeß, Adam Wichniak, Irina Zavalko, Erna S Arnardottir, Oana-Claudia Deleanu, Barbara Strazisar, Marielle Zoetmulder, Kai Spiegelhalder
This European guideline for the diagnosis and treatment of insomnia was developed by a task force of the European Sleep Research Society, with the aim of providing clinical recommendations for the management of adult patients with insomnia. The guideline is based on a systematic review of relevant meta-analyses published till June 2016. The target audience for this guideline includes all clinicians involved in the management of insomnia, and the target patient population includes adults with chronic insomnia disorder...
September 5, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28836321/association-between-left-atrial-enlargement-and-obstructive-sleep-apnea-in-a-general-population-of-71-year-old-men
#6
Henrik Holtstrand Hjälm, Michael Fu, Per-Olof Hansson, You Zhong, Kenneth Caidahl, Zacharias Mandalenakis, David Morales, Constantinos Ergatoudes, Annika Rosengren, Ludger Grote, Erik Thunström
Left atrial enlargement has been shown to be associated with obstructive sleep apnea in patients with coronary artery disease and in sleep clinic cohorts. However, data from the general population are limited. The aim of this study was to investigate whether there is an association between obstructive sleep apnea and left atrial enlargement in a random sample from a general population of 71-year-old men. As part of the longitudinal population study The Study of Men Born in 1943, we analysed cross-sectional data for 411 men, all 71 years old, who had participated in an overnight home sleep study and a standardized echocardiographic examination...
August 24, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28833979/automatic-affective-responses-towards-the-bed-in-patients-with-primary-insomnia-evidence-for-a-negativity-bias
#7
Nicolas Koranyi, Marie Meinhard, Peter Bublak, Otto W Witte, Sven Rupprecht
Ruminating about sleep problems and negatively valenced thinking play a key role in the maintenance of sleep complaints in patients with insomnia. Based on associative learning principles, we hypothesized that repeated co-occurrence of negative thoughts (unconditioned stimulus) and the bedroom environment (conditioned stimulus) results in automatic negative affective responses towards the bed (conditioned response). Twenty-two insomniacs and 22 good sleepers performed a Single-Target Implicit Association Test measuring the strength of automatically triggered affective responses towards the bed...
August 22, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28799194/comparison-of-sleep-structure-and-psychometric-profiles-in-patients-with-fibromyalgia-osteoarthritis-and-healthy-controls
#8
Wai K Yeung, Kevin Morgan, Frank Mckenna
While research indicates that both the macro- and microstructure of sleep may be altered in fibromyalgia syndrome, few studies have controlled for symptom duration or included pain-control participants (i.e. patients with chronic pain and sleep disturbance not associated with fibromyalgia syndrome). A frequently reported alteration found in the sleep microstructure of patients with fibromyalgia syndrome is the alpha-delta sleep anomaly. Although alpha waves have been observed during N3 sleep in healthy individuals, it has been proposed that there is an increase in alpha wave activity during slow-wave sleep in fibromyalgia syndrome...
August 11, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28795452/resistance-training-does-not-alter-same-day-sleep-architecture-in-institutionalized-older-adults
#9
Jeffrey E Herrick, Shipra Puri, Kathy C Richards
Sleep disturbance is a common symptom in institutionalized older adults that reduces their quality of life and may contribute to progression of cognitive impairment. While we found that a 7-week combination of resistance training, walking and social activity significantly improved sleep in institutionalized older adults compared with a usual care control group, no one to our knowledge has determined the acute effects of resistance training on same-day sleep in this population. Given the effort required to promote exercise adherence in institutionalized older adults and to obtain a positive training effect, understanding of the acute effects of resistance training on same-day sleep architecture should be elucidated, especially with respect to unintended consequences...
August 10, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28782143/dynamics-of-cerebral-responses-to-sustained-attention-performance-during-one-night-of-sleep-deprivation
#10
Yuanqiang Zhu, Yibin Xi, Ningbo Fei, Yuchen Liu, Xinxin Zhang, Lin Liu, Ziliang Xu, Jinbo Sun, Xuejuan Yang, Hong Yin, Jie Tian, Wei Qin
Total sleep deprivation (TSD) is increasingly common in modern society bringing various neurobehavioural effects. Dynamic changes of behaviour performances during TSD have been reported extensively, while the cerebral activation underlying such changes have not been elucidated clearly. This study aimed to investigate dynamic changes in cerebral responses to the fastest and slowest psychomotor vigilance task (PVT) trials during TSD. Thirty-six healthy subjects with intermediate chronotype performed the PVT while undergoing functional magnetic resonance imaging every 2 h from 22:00 hours on the first day to 06:00 hours on the second day (i...
August 6, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28771875/predictors-of-insomnia-symptoms-and-nightmares-among-individuals-with-post-traumatic-stress-disorder-an-ecological-momentary-assessment-study
#11
Nicole A Short, Nicholas P Allan, Lauren Stentz, Amberly K Portero, Norman B Schmidt
Despite the high levels of comorbidity between post-traumatic stress disorder (PTSD) and sleep disturbance, little research has examined the predictors of insomnia and nightmares in this population. The current study tested both PTSD-specific (i.e. PTSD symptoms, comorbid anxiety and depression, nightmares and fear of sleep) and insomnia-specific (i.e. dysfunctional beliefs about sleep, insomnia-related safety behaviours and daily stressors) predictors of sleep quality, efficiency and nightmares in a sample of 30 individuals with PTSD...
August 3, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28771870/the-perception-and-attention-functions-test-battery-as-a-measure-of-neurocognitive-impairment-in-patients-with-suspected-central-disorders-of-hypersomnolence
#12
Markus Ramm, Arsalan Jafarpour, Matthias Boentert, Nelly Lojewsky, Peter Young, Anna Heidbreder
The aim of the current study was to evaluate an attention test as a discriminative tool to measure neurocognitive impairment in patients with disorders of hypersomnolence. Chronic excessive daytime sleepiness is the main symptom in central disorders of hypersomnolence. For diagnostic purposes and treatment evaluation, reliable assessment of excessive daytime sleepiness is required. Thirty-six patients with central disorders of hypersomnolence were compared with 20 healthy controls. All participants performed the 'Perception and Attention Functions' (WAF) of the Vienna Test System...
August 2, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28744938/integrative-body-mind-spirit-intervention-for-concurrent-sleep-and-mood-disturbances-sleep-specific-daytime-functioning-mediates-sleep-and-mood-improvements
#13
Xiao-Wen Ji, Siu-Man Ng, Cecilia L W Chan, Jessie S M Chan, Celia H Y Chan, Ka-Fai Chung
Sleep disturbances and depressive symptoms are associated closely with daytime dysfunctions, yet few studies have investigated their temporal relationship in a randomized controlled trial. We investigated the inter-relationships among sleep, depressive symptoms and daytime functioning following an integrative body-mind-spirit (I-BMS) intervention. One hundred and eighty-five participants (mean age 55.28 years, 75.1% female) with co-existing sleep and depressive symptoms were randomized to I-BMS or waiting-list...
July 26, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28744933/do-physical-activity-and-body-mass-index-modify-the-association-between-chronic-musculoskeletal-pain-and-insomnia-longitudinal-data-from-the-hunt-study-norway
#14
Eivind S Skarpsno, Tom I L Nilsen, Trond Sand, Knut Hagen, Paul J Mork
We investigated the prospective association between chronic musculoskeletal pain and risk of insomnia, and if leisure-time physical activity and body mass index modify this association. The study comprised historical data on 11 909 women and 9938 men in the Norwegian HUNT study without sleep problems at baseline in 1995-97 and followed-up for insomnia in 2006-08. Poisson regression was used to estimate adjusted risk ratios (RRs) with 95% confidence intervals (CIs). Compared to pain-free participants, any chronic pain was associated with a RR of insomnia of 2...
July 26, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28726307/naturally-occurring-circadian-rhythm-and-sleep-duration-are-related-to-executive-functions-in-early-adulthood
#15
Liisa Kuula, Anu-Katriina Pesonen, Kati Heinonen, Eero Kajantie, Johan Gunnar Eriksson, Sture Andersson, Aulikki Lano, Jari Lahti, Dieter Wolke, Katri Räikkönen
Experimental sleep deprivation studies suggest that insufficient sleep and circadian misalignment associates with poorer executive function. It is not known whether this association translates to naturally occurring sleep patterns. A total of 512 of full-term-born members of the Arvo Ylppö Longitudinal Study [mean age = 25.3, standard deviation (SD) = 0.65] (44.3% men) wore actigraphs to define sleep duration, its irregularity and circadian rhythm (sleep mid-point) during a 1-week period (mean 6.9 nights, SD = 1...
July 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28707304/actigraph-measures-of-sleep-among-female-hospital-employees-working-day-or-alternating-day-and-night-shifts
#16
Jill Korsiak, Joan Tranmer, Michael Leung, Michael M Borghese, Kristan J Aronson
Sleep disturbance is common among shift workers, and may be an important factor in the effect of shift work on chronic disease development. In this cross-sectional study, we described sleep patterns of 294 female hospital workers (142 alternating day-night shift workers, 152 day workers) and determined associations between shift work and sleep duration. Rest-activity cycles were recorded with the ActiGraph GT3X+ for 1 week. Analyses were stratified by chronotype of shift workers. Using all study days to calculate average sleep duration, shift workers slept approximately 13 min less than day workers during main sleep periods, while 24-h sleep duration did not differ between day workers and shift workers...
July 14, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28695622/sleep-disturbance-by-pramipexole-is-modified-by-meis1-in-mice
#17
Aaro V Salminen, Barbara Schormair, Cornelia Flachskamm, Miguel Torres, Bertram Müller-Myhsok, Mayumi Kimura, Juliane Winkelmann
Meis homeobox 1 (Meis1) is a transcription factor functioning in the development of the nervous system and the cardiovascular system. Both common and rare variants within the gene have been associated with restless legs syndrome (RLS), while its association with symptoms of insomnia has also been discovered recently. RLS is associated with sleep disturbances, and while Meis1 haploinsufficiency is one of the most promising strategies for an RLS animal model, sleep phenotyping of Meis1 knockout mice has never been conducted...
July 11, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28677325/memory-encoding-is-impaired-after-multiple-nights-of-partial-sleep-restriction
#18
James N Cousins, Karen Sasmita, Michael W L Chee
Sleep is important for normative cognitive functioning. A single night of total sleep deprivation can reduce the capacity to encode new memories. However, it is unclear how sleep restriction during several consecutive nights affects memory encoding. To explore this, we employed a parallel-group design with 59 adolescents randomized into sleep-restricted (SR) and control groups. Both groups were afforded 9 h time in bed (TIB) for 2 baseline nights, followed by 5 consecutive nights of 5 h TIB for the SR group (n = 29) and 9 h TIB for the control group (n = 30)...
July 5, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28664540/maintenance-diets-following-rapid-weight-loss-in-obstructive-sleep-apnea-a-pilot-1-year-clinical-trial
#19
Elizabeth A Cayanan, Nathaniel S Marshall, Camilla M Hoyos, Craig L Phillips, Yasmina Serinel, Keith K H Wong, Brendon J Yee, Ronald R Grunstein
Very low energy diets (VLED) appear to be the most efficacious dietary-based obesity reduction treatments in obstructive sleep apnea (OSA); however, effective weight loss maintenance strategies remain untested in this condition. Our study aimed to assess the feasibility, tolerability and efficacy of two common maintenance diets during a 10-month follow-up period after rapid weight loss using a 2-month VLED. In this two-arm, single-centre, open-label pilot trial, obese adult OSA patients received a 2-month VLED before being allocated to either the Australian Guide to Healthy Eating diet (AGHE) or a low glycaemic index high-protein diet (LGHP)...
June 30, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28656650/effects-of-signal-artefacts-on-electroencephalography-spectral-power-during-sleep-quantifying-the-effectiveness-of-automated-artefact-rejection-algorithms
#20
Jianbo Liu, Sridhar Ramakrishnan, Srinivas Laxminarayan, Maxwell Neal, David J Cashmere, Anne Germain, Jaques Reifman
Electroencephalography (EEG) recordings during sleep are often contaminated by muscle and ocular artefacts, which can affect the results of spectral power analyses significantly. However, the extent to which these artefacts affect EEG spectral power across different sleep states has not been quantified explicitly. Consequently, the effectiveness of automated artefact-rejection algorithms in minimizing these effects has not been characterized fully. To address these issues, we analysed standard 10-channel EEG recordings from 20 subjects during one night of sleep...
June 28, 2017: Journal of Sleep Research
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