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Racial differences in upper airway collapsibility and loop gain in young adult males. 青壮年男性上气道塌陷度和襻增大的种族差异。
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-12-11 DOI: 10.1093/sleep/zsad091
Shipra Puri, Gino S Panza, Dylan Kissane, Steven Jones, Kevin Reck, Ho-Sheng Lin, M Safwan Badr, Jason H Mateika

Study objectives: Previous studies reported that the apnea-hypopnea index was similar in young adult Black and White participants. However, whether this similarity reflects an analogous combination of apneas and hypopneas is unknown. Likewise, the physiological mechanisms underlying this similarity has not been explored.

Methods: 60 Black and 48 White males completed the study. After matching for age and body mass index, 41 participants remained in each group. All participants completed a sleep study. Subsequently, standard sleep indices along with loop gain and the arousal threshold were determined. In addition, airway collapsibility (24 of 60 and 14 of 48 participants) and the hypoxic ventilatory response during wakefulness (30 of 60 and 25 of 48 participants) was measured.

Results: The apnea-hypopnea index was similar in Blacks and Whites (p = .140). However, the index was comprised of more apneas (p = .014) and fewer hypopneas (p = .025) in Black males. These modifications were coupled to a reduced loop gain (p = .0002) and a more collapsible airway (p = .030). These differences were independent of whether or not the groups were matched. For a given hypoxic response, loop gain was reduced in Black compared to White males (p = .023).

Conclusions: Despite a similar apnea-hypopnea index, more apneas and fewer hypopneas were evident in young adult Black compared to White males. The physiological mechanisms that contribute to these events were also different between groups. Addressing these differences may be important when considering novel therapeutic approaches to eliminate apnea in Black and White participants.

研究目的:以前的研究报告显示,黑人和白人青年参与者的呼吸暂停-低通气指数相似。然而,这种相似性是否反映了类似的呼吸暂停和低通气组合尚不清楚。方法:60 名黑人和 48 名白人男性完成了这项研究。方法:60 名黑人男性和 48 名白人男性完成了研究,在对年龄和体重指数进行匹配后,每组各保留 41 名参与者。所有参与者都完成了睡眠研究。随后,测定了标准睡眠指数、环增量和唤醒阈值。此外,还测量了气道塌陷度(60 人中有 24 人,48 人中有 14 人)和清醒时的缺氧通气反应(60 人中有 30 人,48 人中有 25 人):黑人和白人的呼吸暂停-低通气指数相似(p = .140)。然而,黑人男性的该指数由更多的呼吸暂停(p = .014)和更少的低通气(p = .025)组成。这些变化与环路增益降低(p = .0002)和气道更易塌陷(p = .030)有关。这些差异与组别是否匹配无关。对于给定的低氧反应,黑人男性的环流增益比白人男性低(p = .023):结论:尽管呼吸暂停-低通气指数相似,但与白人男性相比,黑人青壮年男性的呼吸暂停次数更多,而低通气次数更少。造成这些现象的生理机制在不同群体之间也有所不同。在考虑采用新的治疗方法消除黑人和白人参与者的呼吸暂停时,解决这些差异可能非常重要。
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引用次数: 0
Direct optogenetic activation of upper airway muscles in an acute model of upper airway hypotonia mimicking sleep onset. 模拟睡眠发作的上呼吸道张力减退急性模型中上呼吸道肌肉的直接光遗传学激活。
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-12-11 DOI: 10.1093/sleep/zsad226
Fiona L Knapman, E Myfanwy Cohen, Tom Kulaga, Nigel Lovell, Leszek Lisowski, Simon McMullan, Peter G R Burke, Lynne E Bilston

Study objectives: Obstructive sleep apnea (OSA), where the upper airway collapses repeatedly during sleep due to inadequate dilator muscle tone, is challenging to treat as current therapies are poorly tolerated or have variable and unpredictable efficacy. We propose a novel, optogenetics-based therapy, that stimulates upper airway dilator muscle contractions in response to light. To determine the feasibility of a novel optogenetics-based OSA therapy, we developed a rodent model of human sleep-related upper airway muscle atonia. Using this model, we evaluated intralingual delivery of candidate optogenetic constructs, notably a muscle-targeted approach that will likely have a favorable safety profile.

Methods: rAAV serotype 9 viral vectors expressing a channelrhodopsin-2 variant, driven by a muscle-specific or nonspecific promoter were injected into rat tongues to compare strength and specificity of opsin expression. Light-evoked electromyographic responses were recorded in an acute, rodent model of OSA. Airway dilation was captured with ultrasound.

Results: The muscle-specific promoter produced sufficient opsin expression for light stimulation to restore and/or enhance electromyographic signals (linear mixed model, F = 140.0, p < 0.001) and induce visible tongue contraction and airway dilation. The muscle-specific promoter induced stronger (RM-ANOVA, F(1,8) = 10.0, p = 0.013) and more specific opsin expression than the nonspecific promoter in an otherwise equivalent construct. Viral DNA and RNA were robust in the tongue, but low or absent in all other tissues.

Conclusions: Significant functional responses to direct optogenetic muscle activation were achieved following muscle-specific promoter-driven rAAV-mediated transduction, providing proof-of-concept for an optogenetic therapy for patients with inadequate dilator muscle activity during sleep.

研究目标:阻塞性睡眠呼吸暂停(OSA)是一种由于扩张器肌肉张力不足而导致上呼吸道在睡眠中反复塌陷的疾病,其治疗具有挑战性,因为目前的治疗方法耐受性差或疗效不稳定且不可预测。我们提出了一种新的基于光遗传学的治疗方法,可以刺激上呼吸道扩张器肌肉对光的反应。为了确定一种新的基于光遗传学的OSA治疗的可行性,我们开发了一种人类睡眠相关上呼吸道肌肉无力的啮齿动物模型。使用该模型,我们评估了候选光遗传学构建体的舌内递送,特别是一种可能具有良好安全性的肌肉靶向方法。方法:将表达由肌肉特异性或非特异性启动子驱动的通道视紫红质-2变体的rAAV血清型9病毒载体注射到大鼠舌头中,以比较视蛋白表达的强度和特异性。在OSA的急性啮齿动物模型中记录了光诱发的肌电图反应。用超声波捕获气道扩张。结果:肌肉特异性启动子产生足够的视蛋白表达,用于光刺激以恢复和/或增强肌电图信号(线性混合模型,F=140.0,P结论:在肌肉特异性启动子驱动的rAAV介导的转导后,对直接光遗传学肌肉激活产生了显著的功能反应,为睡眠期间扩张器肌肉活动不足的患者的光遗传学治疗提供了概念证明。
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引用次数: 0
Artifact subspace reconstruction: a candidate for a dream solution for EEG studies, sleep or awake. 伪子空间重建:脑电图研究(睡眠或清醒状态)梦想解决方案的候选方案。
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-12-11 DOI: 10.1093/sleep/zsad241
Makoto Miyakoshi
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引用次数: 0
Healthy sleep practices for shift workers: consensus sleep hygiene guidelines using a Delphi methodology. 轮班工人的健康睡眠实践:采用德尔菲方法达成共识的睡眠卫生指南。
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-12-11 DOI: 10.1093/sleep/zsad182
Alexandra E Shriane, Gabrielle Rigney, Sally A Ferguson, Yu Sun Bin, Grace E Vincent

Study objectives: The unique requirements of shift work, such as sleeping and working at variable times, mean that current sleep hygiene guidelines may be inappropriate for shift workers. Current guidelines may also contradict fatigue management advice (e.g. advising against daytime napping). The present study utilized a Delphi methodology to determine expert opinion regarding the applicability of current guidelines for shift workers, the appropriateness of the term "sleep hygiene," and develop tailored guidelines for shift workers.

Methods: The research team reviewed current guidelines and existing evidence to draft tailored guidelines. Seventeen individual guidelines, covering sleep scheduling, napping, sleep environment, bedtime routine, substances, light exposure, diet, and exercise were drafted. Experts from sleep, shift work, and occupational health fields (n = 155) were invited to review the draft guidelines using a Delphi methodology. In each round, experts voted on individual guidelines, with 70% agreement considered consensus. Where consensus was not reached, written feedback from experts was discussed and incorporated into subsequent iterations.

Results: Of the experts invited, 68 (44%) agreed to participate, with 55 (35%) completing the third (final) round. Most experts (84%) agreed that tailored guidelines were required for shift workers. Consensus was reached on all guidelines after three rounds. One additional guideline (sleep inertia) and an introductory statement were developed, resulting in a final set of 18 individual guidelines, termed "healthy sleep practices for shift workers."

Conclusions: This is the first study to develop tailored sleep hygiene guidelines for shift workers. Future research should investigate the acceptability and effectiveness of these guidelines amongst shift workers.

研究目的:轮班工作的特殊要求(如睡眠和工作时间不固定)意味着现行的睡眠卫生指南可能不适合轮班工人。现行指南还可能与疲劳管理建议相矛盾(例如,建议不要在白天打盹)。本研究采用德尔菲法确定专家对现行指南是否适用于轮班工人、"睡眠卫生 "一词是否恰当的看法,并为轮班工人量身定制指南:研究小组审查了现行指南和现有证据,起草了量身定制的指南。研究小组审查了现行指南和现有证据,起草了 17 份单独的指南,内容涉及睡眠时间安排、午睡、睡眠环境、睡前常规、物质、光照、饮食和运动。采用德尔菲法,邀请睡眠、轮班工作和职业健康领域的专家(n = 155)对指南草案进行评审。在每一轮投票中,专家们就单个指南进行投票,70% 的同意率被视为共识。在未达成共识的情况下,专家们会讨论书面反馈意见,并将其纳入后续迭代中:在受邀专家中,有 68 位(44%)同意参与,其中 55 位(35%)完成了第三轮(最后一轮)投票。大多数专家(84%)同意需要为轮班工人量身定制指导方针。三轮讨论后,所有指南都达成了共识。另外还制定了一份指南(睡眠惰性)和一份介绍性声明,最终形成了 18 份单独的指南,称为 "轮班工人健康睡眠实践":这是第一项为轮班工人量身定制睡眠卫生指南的研究。未来的研究应调查这些指南在轮班工人中的接受度和有效性。
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引用次数: 0
The prospects of open science practices and large-scale collaborations for dream research. 开放科学实践和大规模合作为梦想研究带来的前景。
IF 5.3 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-12-11 DOI: 10.1093/sleep/zsad139
Somayeh Ataei, Martin Dresler, Sarah F Schoch
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引用次数: 0
Sleep architecture is associated with core symptom severity in autism spectrum disorder: a few methodological observations. 自闭症谱系障碍的睡眠结构与核心症状严重程度相关:一些方法学观察
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-11-08 DOI: 10.1093/sleep/zsad067
Kaustav Kundu, Sabbu Maharjan, Lokesh Kumar Saini, Ravi Gupta
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引用次数: 0
Use of extended reality in sleep health, medicine, and research: a scoping review. 扩展现实在睡眠健康、医学和研究中的应用:范围综述。
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-11-08 DOI: 10.1093/sleep/zsad201
Adrian Goldsworthy, Jasneek Chawla, James Birt, Oliver Baumann, Suzanne Gough

Study objectives: This scoping review explores the use of extended reality (virtual, augmented, and mixed reality) within sleep health, sleep medicine, and sleep research. It aims to provide insight into current uses and implementation considerations whilst highlighting directions for future research.

Methods: A systematic scoping review was undertaken informed by the preferred reporting items for systematic reviews and meta-analyses for scoping reviews and Johanna Briggs Institute.

Results: The use of virtual reality (VR) as a research tool in the investigation of areas such as dreaming and memory reactivation is growing. Thirty-one articles were identified in total with 20 utilizing VR to improve sleep as a clinical intervention.

Conclusions: Research exploring the utility of VR as a clinical intervention in various patient populations and clinical settings is therefore warranted. Researchers and clinicians should ensure that extended reality interventions are developed based on clinical reasoning and informed by evidence of both sleep medicine and the effects of virtual and augmented reality. Where possible future research should utilize up-to-date technology and reporting frameworks to assist in the translation of research into clinical practice.

研究目标:本综述探讨了扩展现实(虚拟、增强和混合现实)在睡眠健康、睡眠医学和睡眠研究中的应用。它旨在提供对当前使用和实施考虑的见解,同时突出未来研究的方向。方法:通过系统评价的首选报告项目和范围评价的荟萃分析以及约翰娜布里格斯研究所进行系统范围评价。结果:越来越多的研究人员将虚拟现实(VR)作为研究做梦和记忆再激活等领域的工具。共确定了31篇文章,其中20篇利用VR作为临床干预来改善睡眠。结论:因此,研究VR作为临床干预在不同患者群体和临床环境中的效用是有必要的。研究人员和临床医生应确保扩展现实干预措施是基于临床推理开发的,并以睡眠医学和虚拟现实和增强现实的效果为依据。在可能的情况下,未来的研究应利用最新的技术和报告框架,以协助将研究转化为临床实践。
{"title":"Use of extended reality in sleep health, medicine, and research: a scoping review.","authors":"Adrian Goldsworthy, Jasneek Chawla, James Birt, Oliver Baumann, Suzanne Gough","doi":"10.1093/sleep/zsad201","DOIUrl":"10.1093/sleep/zsad201","url":null,"abstract":"<p><strong>Study objectives: </strong>This scoping review explores the use of extended reality (virtual, augmented, and mixed reality) within sleep health, sleep medicine, and sleep research. It aims to provide insight into current uses and implementation considerations whilst highlighting directions for future research.</p><p><strong>Methods: </strong>A systematic scoping review was undertaken informed by the preferred reporting items for systematic reviews and meta-analyses for scoping reviews and Johanna Briggs Institute.</p><p><strong>Results: </strong>The use of virtual reality (VR) as a research tool in the investigation of areas such as dreaming and memory reactivation is growing. Thirty-one articles were identified in total with 20 utilizing VR to improve sleep as a clinical intervention.</p><p><strong>Conclusions: </strong>Research exploring the utility of VR as a clinical intervention in various patient populations and clinical settings is therefore warranted. Researchers and clinicians should ensure that extended reality interventions are developed based on clinical reasoning and informed by evidence of both sleep medicine and the effects of virtual and augmented reality. Where possible future research should utilize up-to-date technology and reporting frameworks to assist in the translation of research into clinical practice.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10636250/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10241499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical nightmare frequency and its association with reduced physical health during military operations. 临床噩梦频率及其与军事行动期间身体健康状况下降的关系。
IF 5.3 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-11-08 DOI: 10.1093/sleep/zsad214
Remington Mallett, Jason T Jameson, Ken A Paller, Rachel R Markwald, Dale W Russell
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引用次数: 0
Feeling sleepy? stop driving-awareness of fall asleep crashes. 感觉困吗?不要再开车了——要意识到睡着时撞车的危险。
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-11-08 DOI: 10.1093/sleep/zsad136
Clare Anderson, Anna W T Cai, Michael L Lee, William J Horrey, Yulan Liang, Conor S O'Brien, Charles A Czeisler, Mark E Howard

Study objectives: To examine whether drivers are aware of sleepiness and associated symptoms, and how subjective reports predict driving impairment and physiological drowsiness.

Methods: Sixteen shift workers (19-65 years; 9 women) drove an instrumented vehicle for 2 hours on a closed-loop track after a night of sleep and a night of work. Subjective sleepiness/symptoms were rated every 15 minutes. Severe and moderate driving impairment was defined by emergency brake maneuvers and lane deviations, respectively. Physiological drowsiness was defined by eye closures (Johns drowsiness scores) and EEG-based microsleep events.

Results: All subjective ratings increased post night-shift (p < 0.001). No severe drive events occurred without noticeable symptoms beforehand. All subjective sleepiness ratings, and specific symptoms, predicted a severe (emergency brake) driving event occurring in the next 15 minutes (OR: 1.76-2.4, AUC > 0.81, p < 0.009), except "head dropping down". Karolinska Sleepiness Scale (KSS), ocular symptoms, difficulty keeping to center of the road, and nodding off to sleep, were associated with a lane deviation in the next 15 minutes (OR: 1.17-1.24, p<0.029), although accuracy was only "fair" (AUC 0.59-0.65). All sleepiness ratings predicted severe ocular-based drowsiness (OR: 1.30-2.81, p < 0.001), with very good-to-excellent accuracy (AUC > 0.8), while moderate ocular-based drowsiness was predicted with fair-to-good accuracy (AUC > 0.62). KSS, likelihood of falling asleep, ocular symptoms, and "nodding off" predicted microsleep events, with fair-to-good accuracy (AUC 0.65-0.73).

Conclusions: Drivers are aware of sleepiness, and many self-reported sleepiness symptoms predicted subsequent driving impairment/physiological drowsiness. Drivers should self-assess a wide range of sleepiness symptoms and stop driving when these occur to reduce the escalating risk of road crashes due to drowsiness.

研究目的:检查驾驶员是否意识到困倦和相关症状,以及主观报告如何预测驾驶障碍和生理性困倦。方法:16名轮班工人(19 ~ 65岁);(9名女性)在一晚的睡眠和一晚的工作后,在一个闭环轨道上驾驶一辆仪表车辆2小时。主观嗜睡/症状每15分钟评分一次。严重和中度驾驶损伤分别由紧急制动机动和车道偏差定义。生理性嗜睡通过闭眼(约翰嗜睡评分)和基于脑电图的微睡眠事件来定义。结果:所有主观评分在夜班后增加(p < 0.001)。没有发生严重的驱动事件,事先没有明显的症状。所有主观嗜睡评分和特定症状都预测在接下来的15分钟内发生严重(紧急制动)驾驶事件(OR: 1.76-2.4, AUC > 0.81, p < 0.009),但“头下降”除外。卡罗林斯卡嗜睡量表(KSS)、眼部症状、难以保持道路中心和打瞌睡与接下来15分钟的车道偏离相关(OR: 1.17-1.24, p 0.8),而中度眼部嗜睡预测具有相当好的准确性(AUC > 0.62)。KSS、入睡可能性、眼部症状和“打盹”预测微睡眠事件具有相当好的准确性(AUC为0.65-0.73)。结论:司机意识到困倦,许多自述的困倦症状预示着随后的驾驶障碍/生理性困倦。司机应该自我评估各种各样的困倦症状,并在出现这些症状时停止驾驶,以减少因困倦而导致的道路交通事故的风险。
{"title":"Feeling sleepy? stop driving-awareness of fall asleep crashes.","authors":"Clare Anderson, Anna W T Cai, Michael L Lee, William J Horrey, Yulan Liang, Conor S O'Brien, Charles A Czeisler, Mark E Howard","doi":"10.1093/sleep/zsad136","DOIUrl":"10.1093/sleep/zsad136","url":null,"abstract":"<p><strong>Study objectives: </strong>To examine whether drivers are aware of sleepiness and associated symptoms, and how subjective reports predict driving impairment and physiological drowsiness.</p><p><strong>Methods: </strong>Sixteen shift workers (19-65 years; 9 women) drove an instrumented vehicle for 2 hours on a closed-loop track after a night of sleep and a night of work. Subjective sleepiness/symptoms were rated every 15 minutes. Severe and moderate driving impairment was defined by emergency brake maneuvers and lane deviations, respectively. Physiological drowsiness was defined by eye closures (Johns drowsiness scores) and EEG-based microsleep events.</p><p><strong>Results: </strong>All subjective ratings increased post night-shift (p < 0.001). No severe drive events occurred without noticeable symptoms beforehand. All subjective sleepiness ratings, and specific symptoms, predicted a severe (emergency brake) driving event occurring in the next 15 minutes (OR: 1.76-2.4, AUC > 0.81, p < 0.009), except \"head dropping down\". Karolinska Sleepiness Scale (KSS), ocular symptoms, difficulty keeping to center of the road, and nodding off to sleep, were associated with a lane deviation in the next 15 minutes (OR: 1.17-1.24, p<0.029), although accuracy was only \"fair\" (AUC 0.59-0.65). All sleepiness ratings predicted severe ocular-based drowsiness (OR: 1.30-2.81, p < 0.001), with very good-to-excellent accuracy (AUC > 0.8), while moderate ocular-based drowsiness was predicted with fair-to-good accuracy (AUC > 0.62). KSS, likelihood of falling asleep, ocular symptoms, and \"nodding off\" predicted microsleep events, with fair-to-good accuracy (AUC 0.65-0.73).</p><p><strong>Conclusions: </strong>Drivers are aware of sleepiness, and many self-reported sleepiness symptoms predicted subsequent driving impairment/physiological drowsiness. Drivers should self-assess a wide range of sleepiness symptoms and stop driving when these occur to reduce the escalating risk of road crashes due to drowsiness.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10636256/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10138989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From early birds to night owls: a longitudinal study of actigraphy-assessed sleep trajectories during the transition from pre- to early adolescence. 从早起的鸟儿到夜猫子:在青春期前期到青春期早期过渡期间,对活动记录仪评估的睡眠轨迹的纵向研究。
IF 5.6 2区 医学 Q1 CLINICAL NEUROLOGY Pub Date : 2023-11-08 DOI: 10.1093/sleep/zsad127
Anna-Francesca Boatswain-Jacques, Charlotte Dusablon, Catherine Cimon-Paquet, Élie YuTong Guo, Rosalie Ménard, Célia Matte-Gagné, Julie Carrier, Annie Bernier

Study objectives: Pre- and early adolescence are believed to constitute periods of important age-related changes in sleep. However, much of the research on these presumed developmental changes has used cross-sectional data or subjective measures of sleep, limiting the quality of the evidence. In addition, little is known about the development of certain features of the sleep-wake cycle pertaining to regularity (e.g. weekend-weekday differences and intra-individual variability) or circadian rhythms (e.g. sleep midpoint).

Methods: This study examined the sleep trajectories of 128 typically developing youth (69 girls) from ages 8 to 12 years on four sleep characteristics: sleep onset, sleep offset, total sleep time (TST), and sleep midpoint. For each of these characteristics, actigraphy-derived estimates of typical (i.e. mean) sleep and sleep regularity were obtained at each time point. Multilevel growth curves were modeled.

Results: Overall, the sleep-wake cycle significantly changed between 8 and 12 years. Mean sleep onset, offset and midpoint exhibited an ascending curvilinear growth pattern that shifted later with age, while mean TST decreased linearly. Weekend-weekday differences (social jetlag) for sleep offset and midpoint became more pronounced each year. Weekday TST was longer than weekend TST, though this difference became smaller over time. Finally, intra-individual variability increased over time for all sleep characteristics, with variability in TST ascending curvilinearly. Important between-person and sex differences were also observed.

Conclusion: This study reveals the marked changes that occur in the sleep of typically developing pre- and early adolescents. We discuss the potential implications of these trajectories.

研究目的:青春期前和青春期早期被认为是与年龄相关的重要睡眠变化时期。然而,许多关于这些假定的发育变化的研究都使用了横截面数据或主观的睡眠测量,限制了证据的质量。此外,人们对睡眠-觉醒周期的某些特征的发展知之甚少,这些特征与规律性(如周末-工作日的差异和个体内部的差异)或昼夜节律(如睡眠中点)有关。方法:本研究对128名8 - 12岁的正常发育青少年(69名女孩)的睡眠轨迹进行了四项睡眠特征的研究:睡眠开始、睡眠偏移、总睡眠时间和睡眠中点。对于这些特征中的每一个,在每个时间点获得典型(即平均)睡眠和睡眠规律的活动描记估计。建立了多层生长曲线模型。结果:总的来说,睡眠-觉醒周期在8到12岁之间发生了显著变化。平均睡眠时间、偏移量和中点随年龄的增长呈上升曲线型增长,随年龄的增长而延迟,而平均睡眠时间呈线性下降。睡眠偏移和中点的周末和工作日差异(社会时差)每年都变得更加明显。工作日的TST比周末的TST长,尽管随着时间的推移,这种差异变得越来越小。最后,所有睡眠特征的个体内部变异性都随着时间的推移而增加,TST变异性呈曲线上升。重要的人与人之间和性别差异也被观察到。结论:本研究揭示了典型发育前期和早期青少年睡眠发生的显著变化。我们将讨论这些轨迹的潜在含义。
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引用次数: 1
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