Daily Stress, Drinking Motives and Alcohol Co-Use with Other Drugs.

Background: Recent evidence indicates that alcohol and other substance co-use, compared to alcohol-only use, might be more closely associated with negative reinforcement processes, and thus more likely during periods of increased stress. The present study examined this possibility by using data from an intensive longitudinal (daily) study of college student drinkers (N = 1461, 54% women). We also examined individual differences in coping and enhancement drinking motives as predictors of alcohol and other substance co-use. Results: We used multilevel multinomial logistic regression to predict, relative to alcohol-only days, the likelihood of alcohol co-use with either cigarettes or marijuana, along with alcohol use with multiple substances and other substance-only use from daily interpersonal and academic stress, day-of-the-week, sex, and individual differences in coping and enhancement drinking motives. We found that, relative to alcohol-only, alcohol and marijuana co-use was more likely, and non-alcohol related substance use was less likely, on weekends. Alcohol and marijuana co-use was less likely, and other substance-only use was more likely, on days characterized by greater academic stress, whereas alcohol and cigarette co-use was more likely on days characterized by greater interpersonal stress. Individuals with higher levels of drinking to cope motivation were more likely to engage in alcohol and cigarette co-use, other substance-only use, and alcohol plus multiple substances, relative to alcohol-only. Individuals with higher levels of enhancement motives were more likely to engage in all types of alcohol and other substance co-use and other substance-only use relative to alcohol-only. Conclusions: Findings are discussed in terms of the complex nature of different patterns of co-use patterns when evaluating indicators of positive- and negative-reinforcement processes.

Daily Stress Processes as Potential Intervention Targets to Reduce Gender Differences and Improve Mental Health Outcomes in Mid- and Later Life.

The current study examines daily stress processes as risk factors for comprised mental health in midlife and later life, specifically for gender differences in depression risk. Using data from the Midlife in the United States (MIDUS) study and the National Study of Daily Experiences (NSDE), we examine (1) gender differences in depression; (2) the prospective effects of differential exposure and affective responses on 10-year depression status; (3) gender differences in daily stress-depression links. Furthermore, we explore whether the protective factor of help-seeking behavior moderates the effects of daily stress on depression. Participants included 1289 (mage = 55; SD = 12; range = 34-83; 56% female) individuals who completed the second waves of MIDUS and the 8-day NSDE daily diary protocol and participated in the third wave of MIDUS approximately 10 years later. Respondents completed assessments of depression and their seeking assistance from a psychiatrist, mental health professional, counselor, or religious leader. Covariate-adjusted logistic regression analyses revealed increased odds of depression among women compared to men, but no significant gender difference after taking daily stress into account. Higher levels of stressor exposure, negative affect, and affective reactivity were associated with increased odds of depression for both men and women. Compared to those who did not engage in help-seeking behavior, those who did had significantly greater odds of depression, and there were asymmetric patterns of daily stress effects across groups. These findings highlight differential exposure, negative affect, and affective responses to daily stress as potentially accessible intervention targets for reducing stress in daily life and mitigating longer-term depression risk during mid- and later life.

Daily stress, and mental health of professional degree graduate students in Chinese traditional medicine universities: the mediating role of learning career adaptation.

BACKGROUND: With the expansion of professional degree graduate students' enrollment in China education, the mental health of these professional degree graduate students in medical-related majors who are under pressure of study, scientific research, clinical practice, and employment should not be ignored. What is the mental health level of these graduate students under the effect of learning career adaptation (internal resources) in the face of daily stress (external factors)? The purpose of this study is to discuss the relationship between these variables, and the mediating role of learning career adaptation of professional degree graduate students in traditional Chinese medicine colleges, and universities, to provide a theoretical basis for improving the learning career adaptation of students, and improving the level of mental health. METHODS: A cross-sectional survey was conducted among 1593 professional degree graduate students majoring in clinical medicine, traditional Chinese medicine, and nursing in five traditional Chinese medicine universities. Finally, 660 questionnaires were returned, with a recovery rate of 41.43%. The scores of daily stress, learning career adaptation, and mental health were measured by Daily Stressors Scale for graduate students, graduate-students learning career adaptation scale, and General Mental Health Questionnaire (GHQ-20). Descriptive statistics were used to analyze the status quo of daily stress, learning career adaptation, and mental health. Pearson correlation analysis were used to analyze the relationship between them. we undertake analyses using structural equation modeling to construct the latent variable path model of daily stress, learning career adaptation on mental health. The significance level of the mediating effect was tested by the non-parametric percentile bootstrap method. RESULTS: The scores of mental health, daily stress, and learning career adaptation were 50.56 ± 10.80, 35.12 ± 19.55, and 67.13 ± 7.48 respectively. Daily stress was negatively correlated with the three dimensions of learning career adaptation: career confidence, focus on his career, and career control (P < 0.01). Daily stress was positively correlated with depression and anxiety (P < 0.01). Self-affirmation, depression, and anxiety were negatively correlated with career confidence, focus on his career, and career control (P < 0.05). Learning career adaptation plays a partial mediating role between daily stress, and mental health (p < 0.001), with an intermediate effect value of 0.127, representing 28.54% of the total effect. CONCLUSIONS: Mental health, learning career adaption of medical-related professional degree graduate students in traditional Chinese medical universities were at a moderate degree, and an upper-middle level respectively, while daily stress is to a lesser extent. Learning career adaptation mediates the relationship between daily stress, and mental health partially. To some extent, it can buffer the impact of daily stress on mental health, especially anxiety. The educational administrator could take various measures to improve the mental health of professional degree graduate students. It can also enhance their learning career adaptation from the perspective of individuals, and organizations to improve their mental health.

Parent- and Child-Driven Daily Family Stress Processes between Daily Stress, Parental Warmth, and Adolescent Adjustment.

Emerging evidence suggests that family members' stress and family interactions vary across days. This study examined the daily associations among parental and adolescent daily stress, parental warmth, and adolescent adjustment with a 30-day daily diary study among 99 ethnically diverse Canadian parent-adolescent dyads (54% White, 23% Asian, 9% multiracial, Mage = 14.5, 55% female). Multilevel structural equation modeling revealed a negative within-day link between parental daily stress and parental warmth, and positive within-day links between adolescent daily stress and their emotional problems and negative affect. Parental warmth was positively associated with the next day's adolescent positive affect and prosocial behaviors, and explained the cross-day link between parental daily stress and adolescent adaptive outcomes. The findings indicate parent-driven effects in daily family stress processes.

Affective Reactions to daily interpersonal stressors: Moderation by family involvement and gender.

The goal of this study was to examine whether family involvement and gender moderated daily changes in affect associated with interpersonal stressors. Adults (N = 2022; M age = 56.25, Median = 56, SD = 12.20, Range = 33-84) from the second wave of the National Study of Daily Experiences participated in eight consecutive daily diaries. Each day they reported whether a daily interpersonal stressor occurred, whether family was involved, and their positive and negative affect. Results from multilevel models indicated that family involvement did not significantly moderate daily interpersonal stressor-affect associations; however, gender was a significant moderator in some instances. Women showed greater increases in negative affective reactivity to arguments and avoided arguments compared to men. Further, compared to men, women reported larger decreases in positive affective reactivity, but only for avoided arguments. Neither family involvement, gender, nor the interaction between family involvement and gender predicted affective residue. Gender differences in daily interpersonal stressors and affective reactivity may be attributable to overarching gender norms and roles that are still salient in the U.S. Our results suggest that daily interpersonal stressors may be detrimental to affective well-being, regardless of family involvement. Future work should explore associations between daily interpersonal stressors and family involvement by specific relationship roles, such as mother or spouse, for a more comprehensive understanding of what stressor characteristics impact daily affective well-being.

Modelling the temporal interplay between stress and affective disturbances in pathways to psychosis: an experience sampling study.

BACKGROUND: One putative psychological mechanism through which momentary stress impacts on psychosis in individuals with increased liability to the disorder is via affective disturbance. However, to date, this has not been systematically tested. We aimed to investigate whether (i) cross-sectional and temporal effects of momentary stress on psychotic experiences via affective disturbance, and (ii) the reverse pathway of psychotic experiences on stress via affective disturbance were modified by familial liability to psychosis. METHODS: The Experience Sampling Method was used in a pooled data set of six studies with three groups of 245 individuals with psychotic disorder, 165 unaffected first-degree relatives, and 244 healthy control individuals to index familial liability. Multilevel moderated mediation models were fitted to investigate indirect effects across groups cross-sectionally and multilevel cross-lagged panel models to investigate temporal effects in the proposed pathways across two measurement occasions. RESULTS: Evidence on indirect effects from cross-sectional models indicated that, in all three groups, effects of stress on psychotic experiences were mediated by negative affect and, vice versa, effects of psychotic experiences on stress were mediated by negative affect, with all indirect effects being weakest in relatives. Longitudinal modelling of data provided no evidence of temporal priority of stress in exerting its indirect effects on psychotic experiences via affective disturbance or, vice versa. CONCLUSIONS: Our findings tentatively suggest a rapid vicious cycle of stress impacting psychotic experiences via affective disturbances, which does, however, not seem to be consistently modified by familial liability to psychosis.

Persistence of Anxiety/Depression Symptoms in Early Adolescence: A Prospective Study of Daily Life Stress, Rumination, and Daytime Sleepiness in a Genetically Informative Cohort.

In this prospective study of mental health, we examine the influence of three interrelated traits - perceived stress, rumination, and daytime sleepiness - and their association with symptoms of anxiety and depression in early adolescence. Given the known associations between these traits, an important objective is to determine the extent to which they may independently predict anxiety/depression symptoms. Twin pairs from the Queensland Twin Adolescent Brain (QTAB) project were assessed on two occasions (N = 211 pairs aged 9-14 years at baseline and 152 pairs aged 10-16 years at follow-up). Linear regression models and quantitative genetic modeling were used to analyze the data. Prospectively, perceived stress, rumination, and daytime sleepiness accounted for 8-11% of the variation in later anxiety/depression; familial influences contributed strongly to these associations. However, only perceived stress significantly predicted change in anxiety/depression, accounting for 3% of variance at follow-up after adjusting for anxiety/depression at baseline, although it did not do so independently of rumination and daytime sleepiness. Bidirectional effects were found between all traits over time. These findings suggest an underlying architecture that is shared, to some degree, by all traits, while the literature points to hypothalamic-pituitary-adrenal (HPA) axis and/or circadian systems as potential sources of overlapping influence and possible avenues for intervention.

Daily Stressors, Emotion Dynamics, and Inflammation in the MIDUS Cohort.

BACKGROUND: The current study (1) examined links between daily stressors and inflammation and (2) tested whether negative emotion dynamics (emotional variability) is one pathway through which stressors are linked to inflammation. METHOD: A cross-sectional sample of 986 adults (aged 35-86 years, 57% female) from MIDUS reported daily stressor frequency and severity and negative emotions on 8 consecutive nights. Negative emotion variability (intraindividual standard deviation), controlling for overall mean level (intraindividual mean), was the focus of the current study. Interleukin-6 (IL-6) and C-reactive protein (CRP) were assayed from blood drawn at a clinic visit. Regression models adjusted for demographics, health factors, and the time between assessments. RESULTS: More severe daily stressors were associated with higher CRP, but this effect was accounted for by covariates. More frequent daily stressors were associated with lower IL-6 and CRP. In follow-up analyses, significant interactions between stressor severity and frequency suggested that participants with lower stressor severity and higher stressor frequency had the lowest levels of IL-6 and CRP, whereas those with higher stressor severity had the highest levels of IL-6 and CRP, regardless of frequency. Daily stressor frequency and severity were positively associated with negative emotion variability, but variability was not linearly associated with inflammation and did not operate as a mediator. CONCLUSION: Among midlife and older adults, daily stressor frequency and severity may interact and synergistically associate with inflammatory markers, potentially due to these adults being advantaged in other ways related to lower inflammation, or in a pattern aligning with hormetic stress, where frequent but manageable stressors may yield physiological benefits, or both. Negative emotion variability does not operate as a mediator. Additional work is needed to reliably measure and test other emotion dynamic metrics that may contribute to inflammation.

Personality Traits Predict Long-Term Physical Health via Affect Reactivity to Daily Stressors.

Researchers hypothesize that how people react to daily stressful events partly explains the relationship between personality and health, yet no study has examined longitudinal associations between these factors. The current study focused on the role of negative affect reactivity to daily stressful events as a mediating pathway between personality and physical health outcomes using three waves of data spanning 20 years from a nationwide probability sample of 1,176 adults. Results indicated that negative affect reactivity partially mediated personality and physical health. Wave 1 neuroticism was associated with greater negative affect reactivity at Wave 2, which predicted the development of chronic conditions and functional limitations at Wave 3. Higher conscientiousness at Wave 1 was associated with less negative affect reactivity at Wave 2, which predicted better physical health at Wave 3. These findings highlight the usefulness of using a daily-stress framework for understanding how personality impacts health over time, which has important implications for stress management and disease prevention.

The long shadow of childhood trauma for depression in midlife: examining daily psychological stress processes as a persistent risk pathway.

BACKGROUND: Childhood trauma (CT) increases the risk of adult depression. Buffering effects require an understanding of the underlying persistent risk pathways. This study examined whether daily psychological stress processes - how an individual interprets and affectively responds to minor everyday events - mediate the effect of CT on adult depressive symptoms. METHODS: Middle-aged women (N = 183) reported CT at baseline and completed daily diaries of threat appraisals and negative evening affect for 7 days at baseline, 9, and 18 months. Depressive symptoms were measured across the 1.5-year period. Mediation was examined using multilevel structural equation modeling. RESULTS: Reported CT predicted greater depressive symptoms over the 1.5-year time period (estimate = 0.27, s.e. = 0.07, 95% CI 0.15-0.38, p < 0.001). Daily threat appraisals and negative affect mediated the effect of reported CT on depressive symptoms (estimate = 0.34, s.e. = 0.08, 95% CI 0.22-0.46, p < 0.001). Daily threat appraisals explained more than half of this effect (estimate = 0.19, s.e. = 0.07, 95% CI 0.08-0.30, p = 0.004). Post hoc analyses in individuals who reported at least moderate severity of CT showed that lower threat appraisals buffered depressive symptoms. A similar pattern was found in individuals who reported no/low severity of CT. CONCLUSIONS: A reported history of CT acts as a latent vulnerability, exaggerating threat appraisals of everyday events, which trigger greater negative evening affect - processes that have important mental health consequences and may provide malleable intervention targets.

Daily stress reactivity: The unique roles of personality and social support.

BACKGROUND: The processes through which social support exerts its influence in daily life are not well understood. Arguably, its salutary effects as an environmental variable might be construed as shared effects of personality. METHOD: To test this possibility, we investigated the unique and shared effects of personality and social support on daily stressor exposure (social conflict, task strain) and on the within-person association of stressor exposure with perceived stress. A community-sample of N = 391 adults completed an ambulatory assessment protocol for two 2-day periods with fixed hourly intervals spread across 16 hr. RESULTS: Consistent with our preregistered hypotheses, multilevel structural equation models returned that both, personality and perceived social support, predicted daily stressor exposure and moderated within-person effects of daily stressors on perceived stress. In contrast to our hypotheses, received social support had no effect on daily stress processes. When Extraversion, Neuroticism, and social support were added as joint predictors, Neuroticism and Extraversion were related to stressor exposure, and further moderated the within-person link between stressor exposure and stress experience, while perceived social support had an incremental beneficial effect on social conflict exposure and stress appraisal. CONCLUSION: Social support does not increment the well-established relationships between Neuroticism or Extraversion and stress reactivity.

Daily associations among aging perceptions, perceived health, and perceived stress in older adults.

OBJECTIVES: Daily perceived stress is a key indicator of well-being across adulthood, but particularly for those experiencing age-linked challenges. Understanding how day-level factors most salient to the aging process are associated with daily stress levels can further elucidate the mechanisms involved. Here, we investigate two such age-salient factors-daily perceived health and day-level aging perceptions-on daily perceived stress in later life, with a particular interest in the potential role of aging perceptions as an emotion-focused coping resource. METHOD: 127 older adults (mean age 79) completed daily surveys reporting aging perceptions, perceived health, and perceived stress for 14 days, along with a global questionnaire. Multilevel models assessed the between-person and within-person influences of both daily aging perceptions and daily perceived health on day-level perceived stress. RESULTS: Key findings: (a) days of worse perceived health are also days of higher perceived stress; (b) days of more negative aging perceptions are days of higher perceived stress; (c) these individual effects maintain significance when the other is controlled, and (d) these effects interact, so that perceived health is more strongly associated with perceived stress on days when aging perceptions are below a person's mean. CONCLUSION: The moderating effect identifies aging perceptions as a potentially important resource for emotion-focused coping in later life, particularly for older adults experiencing stress associated with poorer perceived health.

Manifestations of clinical depression in daily life: a daily diary study of descriptions of naturally occurring events.

In the present study, clinically depressed (n = 135) and non-depressed adults (n = 138) described the events that happened to them each day for two weeks, and these descriptions were content analysed. Participants also rated how stressful and how positive each event was. Multilevel analyses found that depressed individuals, compared to the non-depressed, used more negative emotion words and more pronouns and used fewer positive emotion words, and they rated events as more stressful and less positive. Stressfulness of events was positively related to the use of pronouns and negative emotion words and was negatively related to the use of positive emotion words. Relationships between positivity of events and word counts were in the opposite direction. Controlling for stressfulness or positivity of events eliminated differences between the depressed and non-depressed in word use, except for use of other-pronouns words. Compared to the non-depressed, depressed people may either experience a greater number of objectively stressful or less pleasant daily events or perceive naturally occurring daily events as more stressful and less positive, and they describe daily events in ways that are consistent with such differences.

More than a feeling: A unified view of stress measurement for population science.

Stress can influence health throughout the lifespan, yet there is little agreement about what types and aspects of stress matter most for human health and disease. This is in part because "stress" is not a monolithic concept but rather, an emergent process that involves interactions between individual and environmental factors, historical and current events, allostatic states, and psychological and physiological reactivity. Many of these processes alone have been labeled as "stress." Stress science would be further advanced if researchers adopted a common conceptual model that incorporates epidemiological, affective, and psychophysiological perspectives, with more precise language for describing stress measures. We articulate an integrative working model, highlighting how stressor exposures across the life course influence habitual responding and stress reactivity, and how health behaviors interact with stress. We offer a Stress Typology articulating timescales for stress measurement - acute, event-based, daily, and chronic - and more precise language for dimensions of stress measurement.

Daily stress as link between disadvantage and smoking: an ecological momentary assessment study.

BACKGROUND: There is a well-established social gradient in smoking, but little is known about the underlying behavioral mechanisms. Here, we take a social-ecological perspective by examining daily stress experience as a process linking social disadvantage to smoking behavior. METHOD: A sample of 194 daily smokers, who were not attempting to quit, recorded their smoking and information about situational and contextual factors for three weeks using an electronic diary. We tested whether socioeconomic disadvantage (indicated by educational attainment, income and race) exerts indirect effects on smoking (cigarettes per day) via daily stress. Stress experience was assessed at the end of each day using Ecological Momentary Assessment methods. Data were analyzed using random effects regression with a lower-level (2-1-1) mediation model. RESULTS: On the within-person level lower educated and African American smokers reported significantly more daily stress across the monitoring period, which in turn was associated with more smoking. This resulted in a small significant indirect effect of daily stress experience on social disadvantage and smoking when using education and race as indicator for social disadvantage. No such effects were found when for income as indicator for social disadvantage. CONCLUSION: These findings highlight the potential for future studies investigating behavioral mechanisms underlying smoking disparities. Such information would aid in the development and improvement of interventions to reduce social inequality in smoking rates and smoking rates in general.

Assessing changes in some facial signs of fatigue in Chinese women, induced by a single working day.

BACKGROUND: The impacts of physical fatigue upon some facial signs, induced by a whole day work, have been previously described on Caucasian women. This study aimed at assessing those possibly experienced by Chinese working women under comparable conditions. MATERIAL AND METHODS: Standard photographs of 60 Chinese women working in the same company (aged 20-40 years) were taken at three occasions during their working day (just before, at 4 and 8 h). Focusing on facial signs allowed a panel of experts to grade their respective severities, helped by a referential atlas dedicated to Asian skin. A naïve panel, comprising 64 Chinese women (aged 20-60 years) graded, through an analogic 0-10 scale, the global facial aspect of each subject, particularly its tired-look and dullness and estimated the age of each subject (perceived age). Paired-comparisons in blind and random modes (T0/T4, T4/T8, T0/T8) allowed this naive panel to assess the subjects with a younger/older look, a dullest aspect. RESULTS: A daily work induces, in Chinese women, changes in some facial signs (Nasolabial, Periorbital and Inter-ocular wrinkles, Cheek skin pores). The latter appear more marked between T0 and T4 than between T4 and T8. As compared to those observed among Caucasian women, these changes, although subtle, are of a higher amplitude and concern different facial signs. The naïve panel allowed to describe an increase in the tired look and dullness along the day, more so among the older group (31-40 years), together with an increased perceived age. Tired look, dullness and perceived age appear strongly linked. CONCLUSION: Despite some possible differences in working conditions, some facial signs of Chinese women seem more affected by a fatigue induced by a working day in urban environment, than those of Caucasian women in similar conditions.

CONTEXTE: Les impacts de la fatigue physique, induite par une journée de travail, sur quelques signes faciaux ont été étudiés chez des femmes Caucasiennes. L'objectif de la présente étude visait à déterminer ceux éprouvés par des femmes Chinoises dans des conditions comparables. MATÉRIEL ET MÉTHODES: Des photographies standardisées de 60 femmes Chinoises (20-40 ans), travaillant dans la même entreprise, ont été prises durant leur journée de travail, à trois occasions (matin avant, 4 heures et 8 heures après). Ces photos ont permis de focaliser sur certains signes faciaux dont les sévérités ont alors été scorées, selon un Atlas référentiel de la peau Asiatique. Un panel naïf de 64 femmes Chinoises (20-60 ans) a utilisé une échelle analogique (0-10) pour évaluer l'aspect général du visage, particulièrement sur son aspect fatigué, l'aspect terne de son teint ou donner un âge apparent à chaque sujet. Les comparaisons des photographies par tests par paires, en aveugle et al.éatoire, (T0/T4, T4/T8, T0/T8) demandaient au panel naïf de déterminer quelle photographie montrait un aspect plus jeune ou plus âgé ou un teint plus ou moins terne. RÉSULTATS: Une journée de travail induit chez des femmes Chinoises des modifications de certains signes faciaux (Sillon nasogénien, rides inter-oculaires et péri-orbitales, pores visibles de la joue). Ces derniers apparaissent plus marqués entre T0 et T4 que T4 et T8. Comparés à ceux observés chez des femmes Caucasiennes, ces modifications, bien que subtiles, sont de plus grande ampleur et concernent des signes différents. Le panel naïf a décrit une augmentation de l'aspect fatigué et terne du teint le long de la journée, plus marqués encore chez les femmes les plus âgées (31-45 ans). De plus, teint terne, aspect fatigué et âge apparent ont été trouvés étroitement liés. CONCLUSION: En dépit de quelques possibles différentes conditions de travail, certains signes faciaux des femmes Chinoises semblent plus affectés par une fatigue induite par une journée de travail en milieu urbain que des femmes Caucasiennes dans des conditions comparables.

Synergism between Female Gender and High Levels of Daily Stress Associated with Migraine Headaches in Ontario, Canada.

BACKGROUND: Migraines affect women more than men and originate from interactions of genetic and environmental factors. This study assessed the prevalence of migraines in Ontario, Canada and the effect of gender and stress on migraines. METHODS: Our analysis was based on data from 42,282 persons 12 years or older who participated in the 2013-2014 Canadian Community Health Survey. Multivariate log-binomial model was used to calculate adjusted prevalence ratios for migraines associated with individual and joint exposures of female gender and stress. We used relative excess risk due to interaction (RERI), attributable proportion (AP), and synergy index (S index) to measure additive interaction. RESULTS: The prevalence of migraines was 10.7%. The adjusted prevalence ratios were 2.37 (95% CI 2.13-2.63) for female versus male, 1.63 (95% CI 1.39-1.90) for persons with high versus low levels of stress, and 3.38 (95% CI 3.00-3.80) for women with high stress versus men with low stress. The RERI estimate was 0.38 (95% CI 0.04-0.73), the AP estimate was 0.11 (95% CI 0.02-0.21), and the S index was 1.19 (95% CI 1.01-1.41). CONCLUSION: We report 10.7% prevalence of migraines and synergism between female gender and stress on risk of migraine, suggesting health interventions targeting women under stress may be beneficial.

The role of sleep in adolescents' daily stress recovery: Negative affect spillover and positive affect bounce-back effects.

The present study examined the role of sleep in daily affective stress recovery processes in adolescents. Eighty-nine American adolescents recorded their emotions and stress through daily surveys and sleep with Fitbit devices for two weeks. Results show that objectively measured sleep (sleep onset latency and sleep debt) moderated negative affective responses to previous-day stress, such that stress-related negative affect spillover effects became more pronounced as amount of sleep decreased. Total sleep time and sleep debt moderated cross-day positive affect "bounce-back" effects. With more sleep, morning positive affect on days following high stress tended to bounce back to the levels that were common following low stress days. Conversely, if sleep was short following high stress days, positive affect remained low the next morning. No evidence for subjective sleep quality as a moderator of spillover/bounce-back effects was found. This research suggests that sleep quantity could relate to overnight affective stress recovery.

Bidirectional, Temporal Associations of Sleep with Positive Events, Affect, and Stressors in Daily Life Across a Week.

BACKGROUND: Sleep is intricately tied to emotional well-being, yet little is known about the reciprocal links between sleep and psychosocial experiences in the context of daily life. PURPOSE: The aim of this study is to evaluate daily psychosocial experiences (positive and negative affect, positive events, and stressors) as predictors of same-night sleep quality and duration, in addition to the reversed associations of nightly sleep predicting next-day experiences. METHODS: Daily experiences and self-reported sleep were assessed via telephone interviews for eight consecutive evenings in two replicate samples of US employees (131 higher-income professionals and 181 lower-income hourly workers). Multilevel models evaluated within-person associations of daily experiences with sleep quality and duration. Analyses controlled for demographics, insomnia symptoms, the previous day's experiences and sleep measures, and additional day-level covariates. RESULTS: Daily positive experiences were associated with improved as well as disrupted subsequent sleep. Specifically, positive events at home predicted better sleep quality in both samples, whereas greater positive affect was associated with shorter sleep duration among the higher-income professionals. Negative affect and stressors were unrelated to subsequent sleep. Results for the reversed direction revealed that better sleep quality (and, to a lesser degree, longer sleep duration) predicted emotional well-being and lower odds of encountering stressors on the following day. CONCLUSIONS: Given the reciprocal relationships between sleep and daily experiences, efforts to improve well-being in daily life should reflect the importance of sleep.

The influence of daily stress and resilience on successful ageing.

AIM: The aim of this study was to identify the effects of daily stress and resilience on successful ageing among community-dwelling older adults. BACKGROUND: Ageing can be a positive experience if there is good adaptation to ageing processes. Positive ageing needs to be a basis of nursing care, health promotion and education within community settings. METHODS: Data were collected in March and April of 2014 from 262 older adults living in Seoul and Jeju, South Korea. We used a four-part survey consisting of demographic data, daily stress, resilience and successful ageing scales, in total 91 items. Data were analysed using descriptive statistics, t-test, one-way ANOVA, Tukey HSD test, Pearson's correlation coefficient and hierarchical multiple regression analysis to identify the influence of variables on successful ageing. FINDINGS: Successful ageing had a significant negative correlation with daily stress and a positive correlation with resilience. Daily stress had a negative correlation with resilience. Findings of hierarchical multiple regression analysis indicated that resilience and subjective economic status had an effect on successful ageing. Furthermore, these variables accounted for 41.6% of the variance in successful ageing. LIMITATIONS: Data were collected in only two cities of Korea based on convenience sampling. CONCLUSION: The findings of the study suggest that daily stress and resilience have a statistically significant relationship with successful ageing. Furthermore, resilience is an important influential factor and a much-needed personal characteristic for one's successful ageing. IMPLICATIONS FOR NURSING AND HEALTH POLICIES: Nurses can advocate joining with health and social policy makers to implement policies on healthy ageing, including evaluation of stress, education programmes and implementation of self-help groups to enhance resilience in older people.