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Insights into vascular physiology from sleep photoplethysmography. 从睡眠光体积描记术深入了解血管生理学。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad172
Gizem Yilmaz, Ju Lynn Ong, Lieng-Hsi Ling, Michael W L Chee
{"title":"Insights into vascular physiology from sleep photoplethysmography.","authors":"Gizem Yilmaz,&nbsp;Ju Lynn Ong,&nbsp;Lieng-Hsi Ling,&nbsp;Michael W L Chee","doi":"10.1093/sleep/zsad172","DOIUrl":"10.1093/sleep/zsad172","url":null,"abstract":"<p><strong>Study objectives: </strong>Photoplethysmography (PPG) in consumer sleep trackers is now widely available and used to assess heart rate variability (HRV) for sleep staging. However, PPG waveform changes during sleep can also inform about vascular elasticity in healthy persons who constitute a majority of users. To assess its potential value, we traced the evolution of PPG pulse waveform during sleep alongside measurements of HRV and blood pressure (BP).</p><p><strong>Methods: </strong>Seventy-eight healthy adults (50% male, median [IQR range] age: 29.5 [23.0, 43.8]) underwent overnight polysomnography (PSG) with fingertip PPG, ambulatory blood pressure monitoring, and electrocardiography (ECG). Selected PPG features that reflect arterial stiffness: systolic to diastolic distance (∆T_norm), normalized rising slope (Rslope) and normalized reflection index (RI) were derived using a custom-built algorithm. Pulse arrival time (PAT) was calculated using ECG and PPG signals. The effect of sleep stage on these measures of arterial elasticity and how this pattern of sleep stage evolution differed with participant age were investigated.</p><p><strong>Results: </strong>BP, heart rate (HR) and PAT were reduced with deeper non-REM sleep but these changes were unaffected by the age range tested. After adjusting for lowered HR, ∆T_norm, Rslope, and RI showed significant effects of sleep stage, whereby deeper sleep was associated with lower arterial stiffness. Age was significantly correlated with the amount of sleep-related change in ∆T_norm, Rslope, and RI, and remained a significant predictor of RI after adjustment for sex, body mass index, office BP, and sleep efficiency.</p><p><strong>Conclusions: </strong>The current findings indicate that the magnitude of sleep-related change in PPG waveform can provide useful information about vascular elasticity and age effects on this in healthy adults.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/c1/eb/zsad172.PMC10566244.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9695464","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: 1
The causal associations of altered inflammatory proteins with sleep duration, insomnia and daytime sleepiness. 炎症蛋白改变与睡眠时间、失眠和日间嗜睡的因果关系。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad207
Yuan Zhang, Wangcheng Zhao, Kun Liu, Ziliang Chen, Quanming Fei, Namra Ahmad, Minhan Yi
{"title":"The causal associations of altered inflammatory proteins with sleep duration, insomnia and daytime sleepiness.","authors":"Yuan Zhang,&nbsp;Wangcheng Zhao,&nbsp;Kun Liu,&nbsp;Ziliang Chen,&nbsp;Quanming Fei,&nbsp;Namra Ahmad,&nbsp;Minhan Yi","doi":"10.1093/sleep/zsad207","DOIUrl":"10.1093/sleep/zsad207","url":null,"abstract":"<p><strong>Study objectives: </strong>Growing evidence linked inflammation with sleep. This study aimed to evaluate the associations and causal effects of sleep traits including insomnia, excessive daytime sleepiness (EDS), and sleep duration (short: <7 h; normal: 7-9 h; long: ≥9 h), with levels of C-reactive protein (CRP), tumor necrosis factor-alpha (TNF-α), and interleukins.</p><p><strong>Methods: </strong>Standard procedures of quantitative analysis were applied to estimate the expression differences for each protein in compared groups. Then, a two-sample Mendelian randomization (MR) analysis was performed to explore their causal relationships with published genome-wide association study summary statistics. The inverse-variance weighted was used as the primary method, followed by several complementary approaches as sensitivity analyses.</p><p><strong>Results: </strong>A total of 44 publications with 51 879 participants were included in the quantitative analysis. Our results showed that the levels of CRP, interleukin-1β (IL-1β), IL-6, and TNF-α were higher from 0.36 to 0.58 (after standardization) in insomnia compared with controls, while there was no significant difference between participants with EDS and controls. Besides, there was a U/J-shaped expression of CRP and IL-6 with sleep durations. In MR analysis, the primary results demonstrated the causal effects of CRP on sleep duration (estimate: 0.017; 95% confidence intervals [CI], [0.003, 0.031]) and short sleep duration (estimate: -0.006; 95% CI, [-0.011, -0.001]). Also, IL-6 was found to be associated with long sleep duration (estimate: 0.006; 95% CI, [0.000, 0.013]). These results were consistent in sensitivity analyses.</p><p><strong>Conclusions: </strong>There are high inflammatory profiles in insomnia and extremes of sleep duration. Meanwhile, elevated CRP and IL-6 have causal effects on longer sleep duration. Further studies can focus on related upstream and downstream mechanisms.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10426331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Cardiovascular Burden of Narcolepsy Disease (CV-BOND): a real-world evidence study. 嗜睡症的心血管负担(CV-BOND):一项现实世界的证据研究。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad161
Rami H Ben-Joseph, Ragy Saad, Jed Black, Elizabeth C Dabrowski, Ben Taylor, Sophia Gallucci, Virend K Somers
{"title":"Cardiovascular Burden of Narcolepsy Disease (CV-BOND): a real-world evidence study.","authors":"Rami H Ben-Joseph,&nbsp;Ragy Saad,&nbsp;Jed Black,&nbsp;Elizabeth C Dabrowski,&nbsp;Ben Taylor,&nbsp;Sophia Gallucci,&nbsp;Virend K Somers","doi":"10.1093/sleep/zsad161","DOIUrl":"10.1093/sleep/zsad161","url":null,"abstract":"<p><strong>Study objectives: </strong>Narcolepsy is associated with cardiovascular risk factors; however, the risk of new-onset cardiovascular events in this population is unknown. This real-world study evaluated the excess risk of new-onset cardiovascular events in U.S. adults with narcolepsy.</p><p><strong>Methods: </strong>A retrospective cohort study using IBM MarketScan administrative claims data (2014-2019) was conducted. A narcolepsy cohort, comprising adults (≥18 years) with at least two outpatient claims containing a narcolepsy diagnosis, of which at least one was non-diagnostic, was matched to a non-narcolepsy control cohort (1:3) based on cohort entry date, age, sex, geographic region, and insurance type. The relative risk of new-onset cardiovascular events was estimated using a multivariable Cox proportional hazards model to compute adjusted hazard ratios (HRs) and 95% confidence intervals (CIs).</p><p><strong>Results: </strong>The narcolepsy and matched non-narcolepsy control cohorts included 12 816 and 38 441 individuals, respectively. At baseline, cohort demographics were generally similar; however, patients with narcolepsy had more comorbidities. In adjusted analyses, the risk of new-onset cardiovascular events was higher in the narcolepsy cohort compared with the control cohort: any stroke (HR [95% CI], 1.71 [1.24, 2.34]); heart failure (1.35 [1.03, 1.76]); ischemic stroke (1.67 [1.19, 2.34]); major adverse cardiac event (1.45 [1.20, 1.74]); grouped instances of stroke, atrial fibrillation, or edema (1.48 [1.25, 1.74]); and cardiovascular disease (1.30 [1.08, 1.56]).</p><p><strong>Conclusion: </strong>Individuals with narcolepsy are at increased risk of new-onset cardiovascular events compared with individuals without narcolepsy. Physicians should consider cardiovascular risk in patients with narcolepsy when weighing treatment options.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10566243/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10065645","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: 6
Good sleep is a mood buffer for young women during menses. 良好的睡眠是年轻女性在月经期间的情绪缓冲。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad072
Alessandra E Shuster, Katharine C Simon, Jing Zhang, Negin Sattari, Andres Pena, Elisabet Alzueta, Massimiliano de Zambotti, Fiona C Baker, Sara C Mednick
{"title":"Good sleep is a mood buffer for young women during menses.","authors":"Alessandra E Shuster, Katharine C Simon, Jing Zhang, Negin Sattari, Andres Pena, Elisabet Alzueta, Massimiliano de Zambotti, Fiona C Baker, Sara C Mednick","doi":"10.1093/sleep/zsad072","DOIUrl":"10.1093/sleep/zsad072","url":null,"abstract":"<p><strong>Study objectives: </strong>We sought to elucidate the interaction between sleep and mood considering menstrual cycle phase (menses and non-menses portions of the cycle) in 72 healthy young women (18-33 years) with natural, regular menstrual cycles and without menstrual-associated disorders. This work fills a gap in literature of examining mood in context of sleep and menstrual cycle jointly, rather than individually.</p><p><strong>Methods: </strong>Daily subjective measures of sleep and mood, and date of menses were remotely, digitally collected over a 2-month period. Each morning, participants rated their sleep on the previous night, and each evening participants rated the extent of positive and negative mood for that day. Objective sleep was tracked with a wearable (ŌURA ring) during month 2 of the study. Time-lag cross-correlation and mixed linear models were used to analyze the significance and directionality of the sleep-mood relationship, and how the interaction between menstrual cycle status and sleep impacted mood levels.</p><p><strong>Results: </strong>We found that menstrual status alone did not impact mood. However, subjective sleep quality and menstrual status interacted to impact positive mood (p < .05). After a night of perceived poor sleep quality, participants reported lower positive mood during menses compared to non-menses portions of the cycle, while after a night of perceived good sleep quality participants reported equivalent levels of positive mood across the cycle.</p><p><strong>Conclusions: </strong>We suggest that the perception of good sleep quality acts as a mood equalizer, with good sleep providing a protective buffer to positive mood across the menstrual cycle.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10566233/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9951694","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
Correction to: Reproducibility in computational sleep research: a call for action. 更正:计算睡眠研究中的再现性:行动呼吁。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad211
{"title":"Correction to: Reproducibility in computational sleep research: a call for action.","authors":"","doi":"10.1093/sleep/zsad211","DOIUrl":"10.1093/sleep/zsad211","url":null,"abstract":"","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10566230/pdf/zsad211.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10027097","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
Online sleep diaries: considerations for system development and recommendations for data management. 在线睡眠日记:系统开发的注意事项和数据管理的建议。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad199
Kelly M Shaffer, Katharine E Daniel, Christina Frederick, Daniel J Buysse, Charles M Morin, Lee M Ritterband
{"title":"Online sleep diaries: considerations for system development and recommendations for data management.","authors":"Kelly M Shaffer, Katharine E Daniel, Christina Frederick, Daniel J Buysse, Charles M Morin, Lee M Ritterband","doi":"10.1093/sleep/zsad199","DOIUrl":"10.1093/sleep/zsad199","url":null,"abstract":"<p><strong>Study objectives: </strong>To present development considerations for online sleep diary systems that result in robust, interpretable, and reliable data; furthermore, to describe data management procedures to address common data entry errors that occur despite those considerations.</p><p><strong>Methods: </strong>The online sleep diary capture component of the Sleep Healthy Using the Internet (SHUTi) intervention has been designed to promote data integrity. Features include diary entry restrictions to limit retrospective bias, reminder prompts and data visualizations to support user engagement, and data validation checks to reduce data entry errors. Despite these features, data entry errors still occur. Data management procedures relying largely on programming syntax to minimize researcher effort and maximize reliability and replicability. Presumed data entry errors are identified where users are believed to have incorrectly selected a date or AM versus PM on the 12-hour clock. Following these corrections, diaries are identified that have unresolvable errors, like negative total sleep time.</p><p><strong>Results: </strong>Using the example of one of our fully-powered, U.S. national SHUTi randomized controlled trials, we demonstrate the application of these procedures: of 45,598 total submitted diaries, 487 diaries (0.01%) required modification due to date and/or AM/PM errors and 27 diaries (<0.001%) were eliminated due to unresolvable errors.</p><p><strong>Conclusion: </strong>To secure the most complete and valid data from online sleep diary systems, it is critical to consider the design of the data collection system and to develop replicable processes to manage data.</p><p><strong>Clinical trial registration: </strong>Sleep Healthy Using The Internet for Older Adult Sufferers of Insomnia and Sleeplessness (SHUTiOASIS); https://clinicaltrials.gov/ct2/show/NCT03213132; ClinicalTrials.gov ID: NCT03213132.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11009686/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10210900","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
Disturbance of sleep maintenance, but not sleep duration, activates nuclear factor-κB and signal transducer and activator of transcription family proteins in older adults: sex differences. 睡眠维持障碍,而不是睡眠持续时间,激活老年人的核因子-κB和信号转导子和转录激活子家族蛋白:性别差异。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad130
Dominique Piber, Richard Olmstead, Joshua H Cho, Michael R Irwin
{"title":"Disturbance of sleep maintenance, but not sleep duration, activates nuclear factor-κB and signal transducer and activator of transcription family proteins in older adults: sex differences.","authors":"Dominique Piber, Richard Olmstead, Joshua H Cho, Michael R Irwin","doi":"10.1093/sleep/zsad130","DOIUrl":"10.1093/sleep/zsad130","url":null,"abstract":"<p><strong>Study objectives: </strong>Disturbances of sleep maintenance and sleep duration are common in older adults and associated with an increased risk for age-related mortality and morbidity. Converging evidence implicates inflammation as an underlying mechanism, especially in females. However, it is unknown what specific aspects of sleep disturbance impact inflammatory mechanisms in older adults.</p><p><strong>Methods: </strong>Using data from community-dwelling older adults who participated in the Sleep Health and Aging Research (SHARE) field study (n = 262, mean age 71.9 ± 8.0 years), we conducted a secondary analysis to examine whether disturbance of sleep maintenance (i.e. greater amount of wake time after sleep onset [WASO]) and sleep duration (i.e. shorter total sleep time [TST]) assessed by sleep diary and actigraphy are associated with greater activation of nuclear factor (NF)-κB and signal transducer and activator of transcription (STAT) family proteins STAT1, STAT3, and STAT5 in peripheral blood monocytic cells. In addition, moderation effects of sex were explored.</p><p><strong>Results: </strong>Data were available for sleep diary (n = 82), actigraphy (n = 74), and inflammatory signaling and transcriptional measures (n = 132). As assessed by sleep diary, greater amount of WASO (β = 0.39, p < 0.01), but not TST, was associated with higher levels of NF-κB. Whereas diary-assessed sleep measures were not associated with STAT family proteins, a moderation analysis revealed that greater diary-assessed WASO was associated with higher levels of STAT1 (p < 0.05), STAT3 (p < 0.05), and STAT5 (p < 0.01) in females, but not in males. Actigraphy-assessed sleep measures were not associated either with NF-κB or STAT activation.</p><p><strong>Conclusions: </strong>In older adults, self-reported disturbance of sleep maintenance assessed by sleep diary was uniquely associated with higher levels of NF-κB, along with higher levels of STAT family proteins in females, but not in males. Our data suggest that improvingself-reported sleep maintenance might mitigate age-related increases in inflammatory signaling and transcriptional pathways, possibly more strongly in females, with the potential to reduce mortality risk in older adults.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10566249/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9411323","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
Global trends in the consumption of benzodiazepines and Z-drugs in 67 countries and regions from 2008 to 2018: a sales data analysis. 2008年至2018年67个国家和地区苯二氮卓类药物和Z类药物消费的全球趋势:销售数据分析。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad124
Tian-Tian Ma, Zixuan Wang, Xiwen Qin, Chengsheng Ju, Wallis C Y Lau, Kenneth K C Man, David Castle, Wing Chung Chang, Adrienne Y L Chan, Edmund C L Cheung, Celine S L Chui, Ian C K Wong
{"title":"Global trends in the consumption of benzodiazepines and Z-drugs in 67 countries and regions from 2008 to 2018: a sales data analysis.","authors":"Tian-Tian Ma,&nbsp;Zixuan Wang,&nbsp;Xiwen Qin,&nbsp;Chengsheng Ju,&nbsp;Wallis C Y Lau,&nbsp;Kenneth K C Man,&nbsp;David Castle,&nbsp;Wing Chung Chang,&nbsp;Adrienne Y L Chan,&nbsp;Edmund C L Cheung,&nbsp;Celine S L Chui,&nbsp;Ian C K Wong","doi":"10.1093/sleep/zsad124","DOIUrl":"10.1093/sleep/zsad124","url":null,"abstract":"<p><strong>Study objectives: </strong>To investigate the trends in the consumption of benzodiazepines (BZDs) and Z-drugs at global, regional, and national levels from 2008 to 2018, across 67 countries and regions.</p><p><strong>Methods: </strong>This cross-sectional descriptive study investigated the consumption of BZDs and Z-drugs analyzed by global pharmaceutical sales data from the IQVIA-Multinational Integrated Data Analysis System database between 2008 and 2018. Consumption was measured in defined daily dose (DDD) per 1000 inhabitants per day (DDD/TID). The global, regional, and national trends were estimated using linear mixed models. Additional analyses were conducted by grouping countries by income level. The association between consumption and Gross Domestic Product (GDP) and the prevalence of different medical conditions was explored in univariable linear models.</p><p><strong>Results: </strong>BZD consumption decreased annually by -1.88% (95% CI: -2.27%, -1.48%), and Z-drugs increased by + 3.28% (+2.55%, +4.01%). In 2008, the top ten countries for BZD and Z-drug consumption were all European, ranging from 63.69 to 128.24 DDD/TID. Very low levels were found in Russia, Kuwait, United Arab Emirates, Saudi Arabia, French West Africa, and the Philippines, with DDD/TID < 1. The consumption in high-income countries was much higher than in middle-income countries. The results showed that increased consumption of BZDs and Z-drugs was statistically associated (p < 0.05) with higher GDP and increased prevalence of anxiety, self-harm, neurological disorders, chronic respiratory diseases, cardiovascular diseases, and cancers.</p><p><strong>Conclusions: </strong>Distinct differences in consumption and trends of BZDs and Z-drugs were found across different countries and regions. Further exploration is needed to understand the association and safety of the use of BZDs and Z-drugs in patients with comorbidities.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9743204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
The effects of closed-loop auditory stimulation on sleep oscillatory dynamics in relation to motor procedural memory consolidation. 闭环听觉刺激对睡眠振荡动力学的影响与运动过程记忆巩固的关系。
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad206
Bryan S Baxter, Dimitrios Mylonas, Kristi S Kwok, Christine E Talbot, Rudra Patel, Lin Zhu, Mark Vangel, Robert Stickgold, Dara S Manoach
{"title":"The effects of closed-loop auditory stimulation on sleep oscillatory dynamics in relation to motor procedural memory consolidation.","authors":"Bryan S Baxter, Dimitrios Mylonas, Kristi S Kwok, Christine E Talbot, Rudra Patel, Lin Zhu, Mark Vangel, Robert Stickgold, Dara S Manoach","doi":"10.1093/sleep/zsad206","DOIUrl":"10.1093/sleep/zsad206","url":null,"abstract":"<p><strong>Study objectives: </strong>Healthy aging and many disorders show reduced sleep-dependent memory consolidation and corresponding alterations in non-rapid eye movement sleep oscillations. Yet sleep physiology remains a relatively neglected target for improving memory. We evaluated the effects of closed-loop auditory stimulation during sleep (CLASS) on slow oscillations (SOs), sleep spindles, and their coupling, all in relation to motor procedural memory consolidation.</p><p><strong>Methods: </strong>Twenty healthy young adults had two afternoon naps: one with auditory stimulation during SO upstates and another with no stimulation. Twelve returned for a third nap with stimulation at variable times in relation to SO upstates. In all sessions, participants trained on the motor sequence task prior to napping and were tested afterward.</p><p><strong>Results: </strong>Relative to epochs with no stimulation, upstate stimuli disrupted sleep and evoked SOs, spindles, and SO-coupled spindles. Stimuli that successfully evoked oscillations were delivered closer to the peak of the SO upstate and when spindle power was lower than stimuli that failed to evoke oscillations. Across conditions, participants showed similar significant post-nap performance improvement that correlated with the density of SO-coupled spindles.</p><p><strong>Conclusions: </strong>Despite its strong effects on sleep physiology, CLASS failed to enhance motor procedural memory. Our findings suggest methods to overcome this failure, including better sound calibration to preserve sleep continuity and the use of real-time predictive algorithms to more precisely target SO upstates and to avoid disrupting endogenous SO-coupled spindles and their mnemonic function. They motivate continued development of CLASS as an intervention to manipulate sleep oscillatory dynamics and improve memory.</p>","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11009689/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9926520","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
The slope of performance during the psychomotor vigilance task: an additional indicator in the assessment of hypersomnolence? 精神运动警戒任务中的表现斜率:评估嗜睡的额外指标?
IF 5.6 2区 医学
Sleep Pub Date : 2023-10-11 DOI: 10.1093/sleep/zsad216
Evangelista Elisa
{"title":"The slope of performance during the psychomotor vigilance task: an additional indicator in the assessment of hypersomnolence?","authors":"Evangelista Elisa","doi":"10.1093/sleep/zsad216","DOIUrl":"10.1093/sleep/zsad216","url":null,"abstract":"","PeriodicalId":49514,"journal":{"name":"Sleep","volume":" ","pages":""},"PeriodicalIF":5.6,"publicationDate":"2023-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10027082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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