Timothy P Howarth, Salla Hietakoste, Serajeddin Ebrahimian, Marika Rissanen, Samu Kainulainen, Tuomas Karhu
{"title":"The interaction between comorbidities and sleep stages influences oxygen re-saturation characteristics.","authors":"Timothy P Howarth, Salla Hietakoste, Serajeddin Ebrahimian, Marika Rissanen, Samu Kainulainen, Tuomas Karhu","doi":"10.1111/jsr.14459","DOIUrl":"https://doi.org/10.1111/jsr.14459","url":null,"abstract":"<p><p>Sleep stages exhibit differing patterns of cardiac, respiratory and nervous system activation. Rapid eye movement (REM) sleep is associated with deeper oxygen desaturation events in obstructive sleep apnea. However, no studies have looked to the effect of sleep staging on re-saturation characteristics. Polysomnographic data from the Sleep Heart Health Study were utilised to derive oxygen saturation parameters from events having both desaturation and re-saturation parts. Sleep stages were described as non-REM (NREM) 1 or 2 (combined), 3 and REM. Sleep stage effects on desaturation and re-saturation characteristics were investigated in a healthy subgroup (n = 759) and participants with hypertension (n = 2534), lung disease (n = 715), heart failure (n = 199) and myocardial infarction (n = 713). A total of 3793 participants (48.3% female) were included for analysis (171,976 saturation events; median 20 per participant). Events during REM had the longest duration, deepest nadirs and greatest area for desaturations and re-saturations. Sleep stage effected re-saturation parameters more than desaturation parameters, with a relative difference from NREM 1/2 to REM in duration of 16.7% and 29.8%, in rate of 0.2% and 4.5% and in area of 36.1% and 48.0% for desaturation and re-saturation, respectively, among healthy participants. Similarly, the effect of comorbidities was greater upon re-saturations than desaturations, as participants with heart failure recorded a relative difference to healthy participants of 10.3% and 24.4% for desaturation and re-saturation duration, respectively, 12.8% and 15.0% for rate and 6.4% and 16.4% for area. Sleep stages and comorbidities have significant effects upon nocturnal oxygen re-saturation parameters. Cardiorespiratory comorbidities elicit greater degradations in oxygen re-saturations than they do desaturations.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14459"},"PeriodicalIF":3.4,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143189665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ross Rosen, Jayanth Rajan, John Richter, Daniel Karasik, Claudia I Cabrera, John Gerka Stuyt, Kenneth Rodriguez, Brian D'Anza, Thomaz Fleury Curado, Sanjeet V Rangarajan
{"title":"Should positive airway pressure be continued uninterrupted after endoscopic skull base surgery? A review of current literature.","authors":"Ross Rosen, Jayanth Rajan, John Richter, Daniel Karasik, Claudia I Cabrera, John Gerka Stuyt, Kenneth Rodriguez, Brian D'Anza, Thomaz Fleury Curado, Sanjeet V Rangarajan","doi":"10.1111/jsr.14474","DOIUrl":"https://doi.org/10.1111/jsr.14474","url":null,"abstract":"<p><p>Obstructive sleep apnea (OSA) poses unique challenges to the perioperative management of endoscopic skull base surgery (ESBS). Currently, no consensus or guidelines exist on the reintroduction of positive airway pressure (PAP) in these patients. To better clarify the safety of PAP reintroduction after ESBS, the databases Pubmed and Embase were searched in May 2024 for studies on PAP reintroduction after ESBS. Two articles, comprising 15 patients, met the inclusion criteria. All patients resumed PAP the first night after surgery. All patients underwent ESBS for transsphenoidal pituitary resection. Only one patient experienced cerebrospinal fluid leak, and no other complications were reported. While these results suggest that early reintroduction of PAP for ESBS patients with OSA may be safer than theoretically expected, the current literature on the topic remains scarce and more research is needed.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14474"},"PeriodicalIF":3.4,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143189502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
João Henriques Oliveira, João Sá Gomes, Paulo Santos, Pedro Pezarat-Correia, João R Vaz
{"title":"Effect of sleep deprivation on gait complexity.","authors":"João Henriques Oliveira, João Sá Gomes, Paulo Santos, Pedro Pezarat-Correia, João R Vaz","doi":"10.1111/jsr.14478","DOIUrl":"https://doi.org/10.1111/jsr.14478","url":null,"abstract":"<p><p>Gait complexity is considered an indicator of adaptability, reflecting the complex interaction between multiple components of the neuromuscular system. Previous research provided evidence that chronobiology, which reflects the individual expression of circadian rhythms, affects the regulation of gait dynamics. The literature also suggests the disruption of these circadian rhythms affects multiple human physiological systems. Considering the association between chronobiology and gait complexity, and its clinical relevance, it would be important to investigate whether the disruption of sleep-wake cycle could affect gait complexity. This study aimed to investigate the effect of 1 night of sleep deprivation on gait complexity and variability of healthy individuals, exploring potential implications for motor control. Seventeen healthy and young male adults underwent an in-lab supervised 24-hr sleep deprivation protocol, with gait complexity and variability assessed using detrended fluctuation analysis and coefficient of variation, respectively. Chronotype was also assessed through the Morningness-Eveningness Questionnaire. We observed a loss of gait complexity with sleep deprivation (PRE: 0.8 ± 0.13; POST24: 0.62 ± 0.08, p < 0.001), while gait variability remained unaltered (p = 0.132). Additionally, we demonstrated an association between gait complexity's relative changes and chronotype (r = -0.665, p = 0.004). Overall, our findings suggest sleep deprivation induces a decrease in the neuromuscular system's ability to flexibly adapt gait output. Moreover, we also highlight the importance of chronobiology in motor control, as we observed the more morning-type an individual is, the greater the loss of complexity following 1 night of sleep deprivation. Altogether, our findings underscore the potential impact of sleep deprivation on central processes underlying gait complexity.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14478"},"PeriodicalIF":3.4,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143189555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
W T McNicholas, E S Arnardottir, V V Vyazovskiy, D Pevernagie, T Penzel, P Peigneux, L Grote, Y Van Der Werf, F de Jongh, M Schmidt, M Adamantidis, S Sekaran, A M Biller, B Knobl, P-H Luppi, C L Bassetti, T Paunio
{"title":"The future of education in sleep science and medicine in Europe: Report of an ESRS workshop.","authors":"W T McNicholas, E S Arnardottir, V V Vyazovskiy, D Pevernagie, T Penzel, P Peigneux, L Grote, Y Van Der Werf, F de Jongh, M Schmidt, M Adamantidis, S Sekaran, A M Biller, B Knobl, P-H Luppi, C L Bassetti, T Paunio","doi":"10.1111/jsr.14454","DOIUrl":"https://doi.org/10.1111/jsr.14454","url":null,"abstract":"<p><p>The European Sleep Research Society (ESRS) is the leading voice for sleep medicine and research in Europe and includes in its mission the objective to promote and develop sleep education. As part of this objective, the Society established a Multidisciplinary Task Force on sleep education, which proposed a workshop on this topic to define the role of ESRS in the future of sleep education in Europe. This includes defining the domains of operation by the ESRS, its most important links and networks, and to recognise areas for development. A concrete goal was to make an action plan with suggestions for eventual Task Forces. Recommendations from the workshop include active collaboration with other Societies and University degree courses in sleep with the objective to position the ESRS as the central focus for sleep education in Europe. Predefined learning objectives and Entrustable Professional Activities were identified as key aspects of future direction. The ESRS Textbook in Sleep Medicine provides a valuable educational resource, and the next edition should expand on the traditional format to include digital material and an integrative platform. The workshop also identified the need to develop a more compact publication to inform non-sleep specialists, university students, and interested members of the public with basic information on sleep and sleep disorders.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14454"},"PeriodicalIF":3.4,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143189649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sleep microstructure in patients with systemic sclerosis: A cyclic alternating pattern analysis study.","authors":"Duygu Kurt Gök, Kezban Aslan-Kara, Burak Yıldız, İpek Türk, Didem Arslan","doi":"10.1111/jsr.14472","DOIUrl":"https://doi.org/10.1111/jsr.14472","url":null,"abstract":"<p><p>The cyclic alternating pattern (CAP) is a cyclic variation of sleep electroencephalogram activity within non-rapid eye movement (non-REM) sleep and increased CAP is the marker of sleep instability. The present study aimed to examine the expression of cyclic alternating pattern in non-REM sleep in patients with systemic sclerosis (SSc) and to compare these findings with the control group. Thirty-one patients with SSc were compared with matched controls by age, gender, body mass index, and apnea-hypopnea index (AHI). Sleep measurements were obtained by standard polysomnography with conventional sleep scoring. A CAP analysis was performed and verified by certified somnologists. The sleep parameters of the SSc and control groups were similar for sleep efficiency, sleep stage percents N1, N2, N3, sleep latency, and minimum oxygen saturation (p = 0.627, p = 0.693, p = 0.530, p = 0.736, p = 0.772, and p = 0.693, respectively). The SSc patients presented a higher arousal and periodic limb movement index. The CAP analyses showed that SSc patients had higher CAP numbers, phase A2 index, A3 duration, and lower A1 duration (p = 0.032, p = 0.016, p = 0.016, and p = 0.016, respectively). Overall the phase A2 index, A2 total time during non-REM sleep were significantly higher and the A1 duration was significantly lower in SSc patients, although sleep efficiency and the distribution of sleep macro-structure seem to be similar to the control group. This study emphasises that microstructure analysis performed with CAP provides information that would otherwise be lost if only macrostructure analysis were considered.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14472"},"PeriodicalIF":3.4,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143122985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sobhan Salari Shahrbabaki, Campbell Strong, Darius Chapman, Ivaylo Tonchev, Evan Jenkins, Bastien Lechat, Duc Phuc Nguyen, Murthy Mittinty, Peter Catcheside, Danny J Eckert, Mathias Baumert, Anand N Ganesan
{"title":"Characterisation of nocturnal arrhythmia avalanche dynamics: Insights from generalised linear model analysis.","authors":"Sobhan Salari Shahrbabaki, Campbell Strong, Darius Chapman, Ivaylo Tonchev, Evan Jenkins, Bastien Lechat, Duc Phuc Nguyen, Murthy Mittinty, Peter Catcheside, Danny J Eckert, Mathias Baumert, Anand N Ganesan","doi":"10.1111/jsr.14465","DOIUrl":"https://doi.org/10.1111/jsr.14465","url":null,"abstract":"<p><p>Nocturnal arrhythmia avalanche (NAA) episodes, characterised by transient non-sustained cardiac arrhythmias during sleep, have been demonstrated as a predictor of adverse cardiovascular events. However, their dynamics and association with sleep architecture and events remain unclear. While generalised linear models (GLM) have captured sleep-disordered breathing (SDB) dynamics, their application to NAA remains underexplored. This study explored whether changes in sleep architecture contribute to nocturnal arrhythmias and if the impact of sleep stages, SDB, and arousal events on these arrhythmias varies by demographic factors. We analysed 7341 ECG recordings from the multi-ethnic study of atherosclerosis (MESA) and the sleep heart health study (SHHS) datasets. R-R intervals were divided into 10-min periods to detect NAA, defined as a 30% drop from baseline followed by recovery to 90% of baseline. A GLM framework was developed to characterise NAA episodes as functions of SDB, sleep arousal events, sleep stages, and prior NAA episodes. The GLM analysis revealed that NAA occurrence was 18% and 30% higher during non-rapid eye movement (NREM) light sleep compared with deep sleep in SHHS (p < 0.001) and MESA (p < 0.001), respectively. SDB events increased the NAA risk in 34% of participants, and arousals in 29%. In SHHS, the impact of SDB on NAA was 5% greater in men (p = 0.018), while the arousal effects were more pronounced in those over 75, highlighting the role of demographic factors in modulating arrhythmia risk. These findings demonstrate the utility of the GLM framework in modelling the dynamics of nocturnal arrhythmias and their associations with sleep disruptions and architecture.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14465"},"PeriodicalIF":3.4,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143122976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rachel F L Walsh, Mackenzie A Maddox, Logan T Smith, Thomas Olino, Phyllis C Zee, Robin Nusslock, Lauren B Alloy
{"title":"Sleep regularity in adolescents: Associations with sleep, rest-activity indices, and prospective substance use and depression.","authors":"Rachel F L Walsh, Mackenzie A Maddox, Logan T Smith, Thomas Olino, Phyllis C Zee, Robin Nusslock, Lauren B Alloy","doi":"10.1111/jsr.14468","DOIUrl":"https://doi.org/10.1111/jsr.14468","url":null,"abstract":"<p><p>Sleep is important for adolescent development and has been linked to a variety of mental health difficulties. New research suggests that sleep irregularity may be more clinically relevant than relying on mean values. This study aimed to (1) quantify the relationship between the sleep regularity index (SRI), a novel parameter reflecting the probability that an individual will be in the same state [asleep or awake] 24 h apart, and other actigraphy-derived sleep and rest-activity metrics, (2) evaluate concurrent and prospective associations between the SRI and mental health symptoms (depressive symptoms and substance use), and (3) test sex as a moderator. At baseline, a community-based sample of adolescents (n = 295, 56.27% female, 58.98% White, age = 15.44) wore an actiwatch for 1 week to measure rest-activity rhythms and sleep-wake cycles. Actigraphy data were used to derive sleep metrics, SRI, and nonparametric rest-activity indices. Adolescents also completed self-report measures of substance use and depression at baseline and at 6-month follow-up. Partial correlations indicated that individuals with more sleep irregularity had less interdaily stability, less robust relative amplitude, lower sleep efficiency, shorter total sleep time, longer sleep onset latency, more social jetlag, and a later sleep midpoint. Regression analyses revealed that sleep irregularity was associated with a lifetime history of substance use, first-onset substance use, and a prospective increase in depressive symptoms, even after accounting for sleep duration and subjective sleep disturbances. The sleep regularity index may be a potential modifiable risk factor for enhancing adolescent mental health.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14468"},"PeriodicalIF":3.4,"publicationDate":"2025-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143079800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maïlis Charpentier-Hélary, Aurélien de la Chapelle, Maxime Linard, Nathalie André-Obadia, Sébastien Boulogne, Hélène Catenoix, Julien Jung, Sylvain Rheims, Katharina Schiller, Birgit Frauscher, Perrine Ruby, Laure Peter-Derex
{"title":"Dreaming in patients with epilepsy: a cross-sectional cohort study.","authors":"Maïlis Charpentier-Hélary, Aurélien de la Chapelle, Maxime Linard, Nathalie André-Obadia, Sébastien Boulogne, Hélène Catenoix, Julien Jung, Sylvain Rheims, Katharina Schiller, Birgit Frauscher, Perrine Ruby, Laure Peter-Derex","doi":"10.1111/jsr.14464","DOIUrl":"https://doi.org/10.1111/jsr.14464","url":null,"abstract":"<p><p>Epilepsy impacts cognition during wakefulness. As epileptic activity is present and even augmented during sleep, epilepsy could also influence sleep-related cognitive processes. However, whether epilepsy modulates sleep-related experiences like dreaming remains poorly known. Here, we prospectively investigated the characteristics and determinants of dreaming in patients with epilepsy. Consecutive adult patients with epilepsy and no major cognitive deficit were recruited in an epilepsy outpatient clinic. They completed a questionnaire about their dreams, sleep and epilepsy over the past year. Medical data on epilepsy characteristics were gathered from the medical file. A generalised linear model was used to explore the determinants of dream recall frequency (DRF). We included 300 patients, with a mean (standard deviation [SD]) age of 40.4 (13.4) years and 51.3% female; 28.6% had more than one seizure/month, and 34.7% already had seizures during sleep. Patients recalled dreams on an average of 1.6 (1.5) days/week and 11% had one or more nightmare/week. Younger age, higher number of nocturnal awakenings, and lower seizures frequency predicted a higher DRF. In patients with focal epilepsy (65.3%), the localisation of the epileptic focus in the parieto-occipital area was negatively associated with DRF. Regarding dream content, 34.0% of patients reported having already dreamt about epilepsy. Dreams of seizures were associated with sleep-related seizures (p = 0.034) and dreams of epilepsy were associated with nightmare frequency (p = 0.004). Our results show that patients with epilepsy share several determinants of DRF (age, awakenings, role of the parieto-occipital area) with healthy subjects. In addition, epilepsy-related factors (seizure frequency, focus localisation) also impact DRF. Investigating dreams in patients with epilepsy can provide information on their epilepsy and their sleep.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14464"},"PeriodicalIF":3.4,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143074825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marie Angelillo, Jaap Lancee, Elisabeth Hertenstein
{"title":"Novel psychotherapies for insomnia.","authors":"Marie Angelillo, Jaap Lancee, Elisabeth Hertenstein","doi":"10.1111/jsr.14470","DOIUrl":"https://doi.org/10.1111/jsr.14470","url":null,"abstract":"<p><p>Insomnia disorder, characterized by a complaint of reduced sleep quality or quantity and associated daytime impairment, is highly prevalent and associated with reduced quality of life and productivity. Cognitive behavioural therapy for insomnia (CBT-I) is the current first-line treatment for chronic insomnia disorder. Here, we outline our perspective for the future optimization of psychotherapeutic treatment for insomnia. We identified the following areas as the most promising: first, optimizing efficacy of the CBT-I protocol; second, developing diagnostic and therapeutic approaches for non-responders and partial responders; and third, advancing widespread implementation of psychotherapy for insomnia. More specifically, we outline how the current CBT-I protocol could be optimized through an improved understanding of treatment mechanisms, and discuss the potential of adaptive treatment strategies. Another promising approach for improving the current CBT-I protocol is using add-ons such as physical exercise or circadian-based interventions. Both may be promising in certain subgroups of patients with insomnia. In terms of non-response, we identify acceptance and commitment therapy for insomnia (ACT-I) as a promising treatment for non-responders to CBT-I. ACT-I, however, still needs to be evaluated in actual non-responders to CBT-I. Implementing CBT-I in clinical practice is still one of the major challenges at hand. We outline how brief treatment, targeted treatment for challenging patient groups, and digital treatment may help improve implementation. For a future research agenda, we suggest that further research into treatment mechanisms, randomized-controlled trials in non-responders to CBT-I, and a focus on implementation science have a potential to bring the field forward.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14470"},"PeriodicalIF":3.4,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143074828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anika Werner, Justin Hachenberger, Kai Spiegelhalder, Jana-Elisa Rueth, Angelika A Schlarb, Arnold Lohaus, Sakari Lemola
{"title":"Subjective sleep quality, but not objective sleep measures, mediates the relationship between pre-sleep worrying and affective wellbeing.","authors":"Anika Werner, Justin Hachenberger, Kai Spiegelhalder, Jana-Elisa Rueth, Angelika A Schlarb, Arnold Lohaus, Sakari Lemola","doi":"10.1111/jsr.14467","DOIUrl":"https://doi.org/10.1111/jsr.14467","url":null,"abstract":"<p><p>Pre-sleep worrying is associated with sleep disturbance, which in turn is associated with impaired affective wellbeing. However, studies examining the fine-grained temporal order of these variables are still lacking. In particular, within-person mediation of the association between pre-sleep worrying and the following day's affective wellbeing by subjective and objective indicators of sleep has not been tested yet. This study investigates the extent to which pre-sleep worrying predicts positive/negative affect the following day, and whether subjective/objective sleep disturbances are possible mediators for this relationship. Data from two experience sampling studies were pooled for the analyses, resulting in a total sample of 220 participants aged between 18 and 30 years (M = 23.2 years, SD = 2.8). The hypotheses were tested at both the between- and within-subject level using causal mediation analysis. The within-subject analyses revealed partial mediation of the relationship between pre-sleep worrying and positive as well as negative affect the next day by subjective sleep quality. By contrast, sleep as measured by actigraphy appears not to be relevant for the link between pre-sleep worrying and affective wellbeing the following day. Baseline levels of depressive symptoms and sleep disturbances did not moderate the associations between pre-sleep worrying, sleep indices and affective states the following day. Improving perceived sleep quality by addressing pre-sleep worrying could be a potential avenue to enhance affective wellbeing and promote better mental health in young adults.</p>","PeriodicalId":17057,"journal":{"name":"Journal of Sleep Research","volume":" ","pages":"e14467"},"PeriodicalIF":3.4,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143065518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}