Sleep in the harp seal (Pagophilus groenlandica). Comparison of sleep on land and in water.

abstract：:It is well known that the quantity and quality of physiological sleep changes across age. However, so far the effect of age on sleep microstructure has been mostly addressed in small samples. The current study examines the effect of age on several measures of sleep macro- and microstructure in 211 women (22-71 years o...

journal_title：Journal of sleep research

authors： Schwarz JFA,Åkerstedt T,Lindberg E,Gruber G,Fischer H,Theorell-Haglöw J

更新日期：2017-06-01 00:00:00

abstract：:The use of a short (< 1 h) nap in improving alertness during the early morning hours in the first night shift was examined under laboratory conditions. The study contained four experimental, non-consecutive night shifts with a nap of either 50 or 30 min at 01.00 or 04.00 hours. An experimental night shift without a na...

journal_title：Journal of sleep research

authors： Sallinen M,Härmä M,Akerstedt T,Rosa R,Lillqvist O

更新日期：1998-12-01 00:00:00

abstract：:Sleep problems are a well-known risk factor for work injuries, but less is known about which vulnerable populations are most at risk. The aims of this study were to investigate the association between sleep quality and the risk of work injury and to identify factors that may modify the association. A case-control stud...

journal_title：Journal of sleep research

authors： Uehli K,Miedinger D,Bingisser R,Dürr S,Holsboer-Trachsler E,Maier S,Mehta AJ,Müller R,Schindler C,Zogg S,Künzli N,Leuppi JD

更新日期：2014-10-01 00:00:00

abstract：:Vestibular dysfunction was linked to moderate-to-severe obstructive sleep apnea syndrome (OSAS) patients in literature. However, due to a lack of knowledge among valid and recent implementations conceived to study postural control on static posturography (SP) and vestibulo-ocular reflex (VOR) gain under physiological ...

journal_title：Journal of sleep research

authors： Micarelli A,Liguori C,Viziano A,Izzi F,Placidi F,Alessandrini M

更新日期：2017-08-01 00:00:00

abstract：:Poor sleep is associated with increased risk of cardiovascular disease (CVD). Indigenous Australians have 1.3 times higher risk of CVD compared to non-indigenous Australians. However, there are limited data describing sleep problems and cardiometabolic risk in this population. This study aimed to investigate sleep qua...

journal_title：Journal of sleep research

authors： Yiallourou SR,Maguire GP,Carrington MJ

更新日期：2020-06-11 00:00:00

abstract：:The present study explores whether sleep concerns are associated with wish to die throughout a 1-month time interval following a suicide crisis. Sixty-eight patients admitted to the emergency department of a general or psychiatric hospital were enrolled. Sleep difficulties were assessed using the Insomnia Severity Ind...

journal_title：Journal of sleep research

authors： Mirsu-Paun A,Jaussent I,Komar G,Courtet P,Lopez-Castroman J

更新日期：2017-12-01 00:00:00

abstract：:An increasing number of criminal cases have claimed the defendant to be in a state of sleepwalking or related disorders induced by high quantities of alcohol. Sleepwalkers who commit violent acts, sexual assaults and other criminal acts are thought to be in a state of automatism, lacking conscious awareness and crimin...

journal_title：Journal of sleep research

authors： Pressman MR,Mahowald MW,Schenck CH,Bornemann MC

更新日期：2007-06-01 00:00:00

abstract：:Both very low and very high levels of regular physical activity have been associated with degraded sleep quality. Cross-national variations in habitual physical activity levels, therefore, may contribute to cross-national differences in insomnia prevalence. The present study assesses and compares the extent to which w...

journal_title：Journal of sleep research

authors： Hartescu I,Morgan K

更新日期：2019-04-01 00:00:00

abstract：:This study aimed to explore the association between restless legs syndrome and irritable bowel syndrome in an epidemiological cohort. We included 3365 adults, of whom 1602 were female (age 52.5 ± 7.5 years), who had participated in the Korean Genome and Epidemiology Study (2005-2006). The diagnosis of restless legs sy...

journal_title：Journal of sleep research

authors： Yun CH,Lee SK,Kim H,Park HK,Lee SH,Kim SJ,Shin C

更新日期：2012-10-01 00:00:00

abstract：:Decreases in heart rate variability, a marker of autonomic nervous system function, are associated with increased cardiovascular mortality. Heart rate variability increases in non-rapid eye movement sleep, peaking in slow-wave sleep. Therefore, decreasing the amount of deep sleep, for example, by introducing patients ...

journal_title：Journal of sleep research

authors： Virtanen I,Kalleinen N,Urrila AS,Polo-Kantola P

更新日期：2018-04-01 00:00:00

abstract：:Five male subjects were exposed to a single 2-h period of bright (2500 lux) or dim (<100 lux) light prior to sleep on two consecutive nights. The two conditions were repeated the following week in opposite order. Bright light significantly suppressed salivary melatonin and raised rectal temperature 0.3 degrees C (whic...

journal_title：Journal of sleep research

authors： Bunnell DE,Treiber SP,Phillips NH,Berger RJ

更新日期：1992-03-01 00:00:00

abstract：:While sleep restriction decreases performance, not all individuals are equal with regard to sensitivity to sleep loss. We tested the hypothesis that performance could be independent of sleep pressure as defined by EEG alpha-theta power. Twenty healthy subjects (10 vulnerable and 10 resistant) underwent sleep deprivati...

journal_title：Journal of sleep research

authors： Galliaud E,Taillard J,Sagaspe P,Valtat C,Bioulac B,Philip P

更新日期：2008-03-01 00:00:00

abstract：:This document describes guidelines for accreditation of Sleep Medicine Centres in Europe. These guidelines are the result of a consensus procedure, in which representatives of the European Sleep Research Society (ESRS) and representatives of different European National Sleep Societies (ENSS) were involved. The informa...

journal_title：Journal of sleep research

authors： Pevernagie D,Steering Committee of European Sleep Research Society.

更新日期：2006-06-01 00:00:00

abstract：:Self-rated sleepiness responds to sleep loss, time of day and work schedules. There is, however, a lack of a normative reference showing the diurnal pattern during a normal working day, compared with a day off, as well as differences depending on stress, sleep quality, sex, age and being sick listed. The present study...

journal_title：Journal of sleep research

authors： Åkerstedt T,Hallvig D,Kecklund G

更新日期：2017-10-01 00:00:00

abstract：:Sleep structure is highly stable within individuals but different between individuals. The present study investigated robustness of the individual sleep structure to extended total sleep deprivation. Seventeen healthy men spent a baseline night (23:00-07:00 hours), 58 h of sleep deprivation and a 14-h recovery night (...

journal_title：Journal of sleep research

authors： Hennecke E,Elmenhorst D,Mendolia F,Putzke M,Bauer A,Aeschbach D,Elmenhorst EM

更新日期：2019-06-01 00:00:00

abstract：:Actigraphy is a cost-efficient method to estimate sleep-wake patterns over long periods in natural settings. However, the lack of methodological standards in actigraphy research complicates the generalization of outcomes. A rapidly growing methodological diversity is visible in the field, which increasingly necessitat...

journal_title：Journal of sleep research

authors： Schoch SF,Kurth S,Werner H

更新日期：2020-07-08 00:00:00

abstract：:Neural systems of the prefrontal cortex (PFC) involved in executive functions are particularly vulnerable to sleep deprivation (SD). In this study, we investigated whether SD selectively affects specific components of the executive control processes involved in task-switching performance. Two different tasks are perfo...

journal_title：Journal of sleep research

authors： Couyoumdjian A,Sdoia S,Tempesta D,Curcio G,Rastellini E,DE Gennaro L,Ferrara M

更新日期：2010-03-01 00:00:00

abstract：:It is presently unclear whether chronic fatigue syndrome (CFS) patients exhibit daytime sleepiness in addition to fatigue. Both, fatigue, such as that seen in CFS patients, and excessive daytime sleepiness, such as in sleep apnea-hypopnea syndrome (SAHS), remain poorly understood. Both daytime conditions are generally...

journal_title：Journal of sleep research

authors： Neu D,Hoffmann G,Moutrier R,Verbanck P,Linkowski P,Le Bon O

更新日期：2008-12-01 00:00:00

abstract：:Slow-wave sleep has been associated with several physiological phenomena, including glucose metabolism, sympathetic nervous system activity, hormonal secretion and blood pressure regulation. The aim of these analyses was to determine which sociodemographic and medical factors were associated with slow-wave sleep durat...

journal_title：Journal of sleep research

authors： Mokhlesi B,Pannain S,Ghods F,Knutson KL

更新日期：2012-04-01 00:00:00

abstract：:Slow-wave sleep is one of the most important restorative components of sleep and central for our health and cognitive functioning. Although the amount of slow-wave sleep depends on sleep drive, age and other factors, also the pre-sleep mental state might influence sleep depth. We had shown that a pre-sleep hypnotic su...

journal_title：Journal of sleep research

authors： Cordi MJ,Rasch B

更新日期：2020-08-17 00:00:00

abstract：:Attention-deficit/hyperactivity disorder (ADHD) is a highly prevalent disorder occurring in approximately 3-5% of school-aged children. The core symptoms of ADHD are effectively treated with stimulant medications such as methylphenidate; however, there are also negative side effects, including insomnia. It has been su...

journal_title：Journal of sleep research

authors： Ironside S,Davidson F,Corkum P

更新日期：2010-12-01 00:00:00

abstract：:The aim of this study was to describe the clinical characteristics and the polysomnographic findings of a sample of patients affected by sleep-related painful erections (SRPE). In a 6-y period 18 patients were diagnosed as having SRPE. The mean age at the onset of the disease was 39.8 +/- 11.6 y and the mean duration ...

journal_title：Journal of sleep research

authors： Ferini-Strambi L,Oldani A,Zucconi M,Castronovo V,Montorsi F,Rigatti P,Smirne S

更新日期：1996-09-01 00:00:00

abstract：:The month of birth has been proposed as a risk factor for narcolepsy, suggesting a harmful influence during early development. Several authors have described an excess of births in March in those developing narcolepsy later. Analysis methods in published studies varied, but no study corrected completely for possible c...

journal_title：Journal of sleep research

authors： Donjacour CE,Fronczek R,LE Cessie S,Lammers GJ,VAN Dijk JG

更新日期：2011-12-01 00:00:00

abstract：:Epidemiologic studies have shown that sleep duration is associated with overall mortality. We conducted a systematic review of the associations between sleep duration and all-cause and cause-specific mortality. PubMed was systematically searched up to January, 2008 to identify studies examining the association between...

journal_title：Journal of sleep research

authors： Gallicchio L,Kalesan B

更新日期：2009-06-01 00:00:00

abstract：:Insufficient sleep is common in young adults and has meaningful consequences for daytime functioning, including increased sleepiness, affective disruption and depressive symptoms. This study provides a preliminary evaluation of the feasibility, acceptability and affective consequences of extended sleep opportunity in ...

journal_title：Journal of sleep research

authors： Casement MD,Livingston NR,Allen NB,Forbes EE

更新日期：2020-05-28 00:00:00

abstract：:Spatiotemporal activity patterns of neurones are organized by different types of coherent network oscillations. Frequency content and cross-frequency coupling of cortical oscillations are strongly state-dependent, indicating that different patterns of wakefulness or sleep, respectively, support different cognitive or ...

journal_title：Journal of sleep research

authors： Brankačk J,Scheffzük C,Kukushka VI,Vyssotski AL,Tort AB,Draguhn A

更新日期：2012-12-01 00:00:00

abstract：:This cross-sectional study examined the association between objectively measured sleep patterns and body composition in very elderly community-dwelling women. Participants included 191 community-dwelling adults aged ≥ 80 years (mean age: 83.4 ± 2.6 years; age range: 80-92 years). Sleep and physical activity were monit...

journal_title：Journal of sleep research

authors： Kim M,Sasai H,Kojima N,Kim H

更新日期：2015-12-01 00:00:00

abstract：:Cardiac death is the second most prevalent cause in Prader-Willi syndrome (PWS). Paediatric patients with PWS often present cardiac autonomic dysfunction during wakefulness, obesity and sleep-disordered breathing. However, the extent of cardiac autonomic modulation during sleep in PWS has not been documented. The obje...

journal_title：Journal of sleep research

authors： Brito LC,Queiroga T,Franco RR,Passone CGB,Lopes MC,Shea SA,Bueno C,Soster LMSFA

更新日期：2020-08-18 00:00:00

abstract：:Although various investigators have suggested algorithms for the automatic detection of eye movements during sleep, objective comparisons of the proposed methods have previously been difficult due to different recording arrangements of different investigators. In this study the results of five eye movement detection a...

journal_title：Journal of sleep research

authors： Värri A,Kemp B,Rosa AC,Nielsen KD,Gade J,Penzel T,Hasan J,Hirvonen K,Häkkinen V V,Kamphuisen HA,Mourtazaev MS

更新日期：1995-06-01 00:00:00

abstract：:Sleep has been postulated to promote brain energy restoration. It is as yet unknown if increasing the energy availability within the brain reduces sleep need. The guanidine amino acid creatine (Cr) is a well-known energy booster in cellular energy homeostasis. Oral Cr-monohydrate supplementation (CS) increases exercis...

journal_title：Journal of sleep research

authors： Dworak M,Kim T,Mccarley RW,Basheer R

更新日期：2017-06-01 00:00:00