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1.
J Sleep Res ; 32(6): e14031, 2023 12.
Article in English | MEDLINE | ID: mdl-37654128

ABSTRACT

The inherent nature of personality serves as a predisposing, and possible maintaining, factor of insomnia. However, methodological differences limit the ability to draw causal conclusions regarding the specific traits involved in the aetiology of the disorder. This systematic review of the relationship between insomnia and personality provides a narrative synthesis of the literature to date. Here, we identified N = 76 studies meeting the inclusion/exclusion criteria. The outcomes reliably evidenced the experience of insomnia to be associated with personality traits that are typically considered to be negative or maladaptive in nature. More specifically, insomnia was related to neuroticism, introversion, perfectionistic doubts and concerns, elevated personal standards, negative affect, social inhibition and avoidance, hysteria, hypochondriasis, psychasthenia, impulsive behaviour, anger, hostility, and psychopathic tendencies, schizotypal and borderline traits, reduced conscientiousness and self-directedness, and negatively perceived perception of the self. Several studies examined the role that personality plays in predicting the treatment efficacy and adherence of CBTi. Moving forward, longitudinal research, methodological consistency, the mediating role of treatment outcomes and adherence, and clinical and population representative samples should be prioritised. Methodological strengths and limitations of the literature are discussed alongside the next steps that should be taken to advance our understanding of the literature.


Subject(s)
Sleep Initiation and Maintenance Disorders , Humans , Personality , Neuroticism
2.
Sci Data ; 10(1): 621, 2023 09 13.
Article in English | MEDLINE | ID: mdl-37704598

ABSTRACT

Despite existing wellbeing services, university students remain particularly vulnerable to mental health difficulties. Therefore, this study was designed to provide a comprehensive assessment of the prevalence of psychiatric symptoms by using well validated scales with robust psychometric properties. More specifically, the current data provides crucial information concerning the prevalence of anxiety, depression, mania, insomnia, stress, suicidal ideation, psychotic experiences and loneliness amongst a sample of N = 1408 UK university students. A cross-sectional online questionnaire-based study was implemented. Online recruitment for this dataset began on September 17th, 2018, and ended on the 30th July 2019. Eight validated measures were used: Generalized Anxiety Disorder Scale; Patient Health Questionnaire; The Mood Disorder Questionnaire; The Sleep Condition Indicator; The Perceived Stress Scale; Suicidal Behaviours Questionnaire-Revised; The Prodromal Questionnaire 16 (PQ-16); and the University of California Loneliness Scale. The dataset is available to other researchers and is provided on figshare. Information concerning the data records, usage notes, code availability and technical validation are presented. Finally, we present demographic information concerning psychiatric symptom prevalence.


Subject(s)
Mania , Sleep Initiation and Maintenance Disorders , Humans , Anxiety/epidemiology , Cross-Sectional Studies , Depression/epidemiology , Loneliness , Prevalence , Sleep Initiation and Maintenance Disorders/epidemiology , Students , Suicidal Ideation , United Kingdom/epidemiology , Universities
5.
Clocks Sleep ; 4(3): 466-474, 2022 Sep 14.
Article in English | MEDLINE | ID: mdl-36134949

ABSTRACT

This study examined the extent to which the dimensions of the five-factor model, Type-D personality, and multidimensional perfectionism were associated with a diurnal preference in the general population. A sample of (N = 864) individuals completed the measures of diurnal preference, multidimensional perfectionism, Type-D personality, and the Big Five traits. A correlational analysis determined that agreeableness, conscientiousness, emotional stability, organization, and personal standards were independently related to morningness. In contrast, negative affect, social inhibition, Type-D personality, and perfectionistic doubts and concerns, as well as an increased perception of critical parental evaluation, were independently related to eveningness. After accounting for the shared variance amongst the personality traits, only negative affect, conscientiousness, organization, personal standards, and parental perception were significantly associated with diurnal preference. The current outcomes offer further insight into the relationship between personality and diurnal preference. Here, we observed greater reports of adaptive personality traits in relation to morningness, whereas negative affect and perceived parental evaluation and criticism were related to eveningness. As the first study to examine the relationship between Type-D personality, multidimensional perfectionism, and diurnal preference, the current outcomes should be considered preliminary.

6.
Psychol Rep ; : 332941221119409, 2022 Aug 10.
Article in English | MEDLINE | ID: mdl-35947822

ABSTRACT

Whilst both mindfulness and adult attachment have been linked to wellbeing, little is known about how these constructs relate to emotion regulation that can underpin wellbeing. The present study examined the association between adult attachment orientation and emotion regulation (strategies and difficulties) and the mediating role of facets of dispositional mindfulness. A sample of 301 university students (Mage = 23.08, SD = 8.08; 74.75% female) completed measures of adult attachment, emotion regulation, difficulties in emotion regulation, and dispositional mindfulness. Parallel multiple mediation analyses indicated that the act with awareness and non-judging facets of mindfulness repeatedly emerged as significant mediators in the positive associations between the dimensions of attachment insecurity (anxiety, avoidance, and disorganized) and maladaptive emotion regulation strategies and difficulties in emotion regulation. Those individuals exhibiting greater attachment insecurity employ maladaptive emotion regulation strategies and display difficulties in emotion regulation via mindfulness deficits. The present findings extend our current understanding of the role of dispositional mindfulness in the associations between adult attachment orientation and varying aspects of the emotion regulation process.

7.
J Affect Disord ; 297: 634-640, 2022 01 15.
Article in English | MEDLINE | ID: mdl-34715168

ABSTRACT

This study examined whether self-disgust added incremental variance to and mediated the multivariate association between measures of body image disturbance and suicidal thoughts and behaviours. We hypothesized that self-disgust would be associated with suicidal ideation above the effects of body image disturbance, and that self-disgust would mediate the relationship between body image disturbance and suicidal ideation. A total of N=728 participants completed The Body Image Disturbance Questionnaire, The Self-Disgust Scale, and the Suicidal Behaviours Questionnaire-Revised. Suicidality was significantly related to increased levels of self-disgust and body image disturbance, whereas self-disgust was associated with greater body image disturbance. Linear regression analysis showed that self-disgust was associated with suicidal thoughts and behaviours, over and above the effects of body image disturbance. Multiple mediation modelling further showed that self-disgust mediated the relationship between body image disturbance and suicidal thoughts and behaviours. Our findings highlight the role of self-disgust in the context of body image disturbance and support the notion that body image disturbance is associated with aversive self-conscious emotions. Interventions aiming to reduce the risk of suicidality in people with body image disturbance may address self-disgust and negative self-conscious emotions.


Subject(s)
Disgust , Suicidal Ideation , Body Image , Emotions , Humans , Risk Factors
8.
Sci Rep ; 11(1): 22305, 2021 11 12.
Article in English | MEDLINE | ID: mdl-34772957

ABSTRACT

This study examined whether significantly anxious individuals differed from non-anxious individuals in their perceptual ratings of internet memes related to the Covid-19 pandemic, whilst considering the mediating role of emotion regulation. Eighty individuals presenting clinically significant anxiety symptoms (indicating ≥ 15 on the GAD-7) and 80 non-anxious controls (indicating ≤ 4) rated the emotional valance, humour, relatability, shareability, and offensiveness of 45 Covid-19 internet memes. A measure of emotion regulation difficulties was also completed. The perception of humour, relatability, and shareability were all greater amongst anxious individuals relative to non-anxious controls. These differences were not mediated by emotion regulation deficits. Internet memes related to the current Covid-19 pandemic may tentatively serve as coping mechanism for individuals experiencing severe symptoms of anxiety.


Subject(s)
Adaptation, Psychological , Anxiety Disorders/psychology , Anxiety/psychology , COVID-19 , Emotional Regulation , Adolescent , Adult , COVID-19/epidemiology , Emotions , Female , Humans , Internet , Male , Middle Aged , Pandemics , Social Media , Young Adult
9.
Cogn Process ; 22(4): 701-709, 2021 Nov.
Article in English | MEDLINE | ID: mdl-34170437

ABSTRACT

Specific cognitive behavioural mechanisms related to selective attention, situational avoidance and physical appearance are implicated in the development and maintenance of insomnia and negative reinforcement of body image disturbances. Therefore, we examined whether these processes potentially mediate the relationship between insomnia and body image perception. N = 728 participants completed self-reported measures of sleep-associated monitoring, insomnia symptoms, body image disturbance and coping with body image challenges. Symptoms of insomnia and sleep-associated monitoring behaviour were independently related to increased reports of body image disturbance, cognitive distortions of body image, appearance fixing (i.e. altering appearance by covering, camouflaging or correcting the perceived defect), avoidance (i.e. attempt to escape or avert stressful body image situations) and reduced levels of positive rationale acceptance (i.e. acceptance of the challenging event and positive self-care or rationale self-talk about one's appearance). More crucially, sleep-related monitoring on awakening, cognitive distortion of body image and negative coping strategies related to body image (i.e. appearance fixing, avoidance, rationale acceptance) mediated the relationship between reports of body image disturbance and insomnia symptoms. The current findings expand upon previous research demonstrating consistent relationships between poor sleep and increased dissatisfaction with cutaneous features, by providing novel evidence that body image disturbances are associated with symptoms of insomnia. More crucially, we highlight the role of particular cognitive and behavioural mechanisms pertaining to sleep (i.e. selective attention for physical signs of poor sleep) and body image (i.e. avoidance and rationale acceptance) which may be targeted as part of cognitive behavioural treatments.


Subject(s)
Cognitive Behavioral Therapy , Sleep Initiation and Maintenance Disorders , Body Image , Cognition , Humans , Sleep
10.
NPJ Schizophr ; 6(1): 15, 2020 Jun 01.
Article in English | MEDLINE | ID: mdl-32483140

ABSTRACT

Sleep disruption is commonly associated with psychotic experiences. While sparse, the literature to date highlights nightmares and related distress as prominent risk factors for psychosis in students. We aimed to further explore the relationship between specific nightmare symptoms and psychotic experiences in university students while examining the mediating role of emotion dysregulation. A sample (N = 1273) of student respondents from UK universities completed measures of psychotic experiences, nightmare disorder symptomology and emotion dysregulation. Psychotic experiences were significantly more prevalent in students reporting nightmares (n = 757) relative to those who did not (n = 516). Hierarchical linear regression analysis showed that psychotic experiences were significantly associated (Adjusted R2 = 32.4%) with perceived nightmare intensity, consequences and resulting awakenings, and with emotion regulation difficulties. Furthermore, multiple mediation analysis showed that the association between psychotic experiences and nightmare factors was mediated by emotion regulation difficulties. Adaptive regulation of dream content during rapid eye-movement sleep has previously been demonstrated to attenuate surges in affective arousal by controlling the intensity and variability of emotional content. Difficulties in emotion regulation may partially explain the experience of more intense and disruptive nightmares among individuals with psychotic experiences. Emotion regulation may represent an important control mechanism that safeguards dream content and sleep quality.

11.
Heliyon ; 5(11): e02894, 2019 Nov.
Article in English | MEDLINE | ID: mdl-31844760

ABSTRACT

This study examined the relationship between dark triad personality traits and chronotype disposition, whilst incorporating the mediating role of anxiety and/or depression after excluding individuals presenting insomnia and/or physiological sleep-disorder symptoms. Members of the general population (N = 453) completed online measures of dark triad personality traits, chronotype, and anxious and depressive symptoms. Psychopathy and Machiavellianism were independently related to an evening chronotype disposition. However, after accounting for age, sex, anxiety and depression, psychopathy and depression remained the only significant predictors of chronotype. Therefore, whilst psychopathy was the strongest predictor of an evening chronotype preference, this relationship is partially mediated by depression. Individuals presenting an evening disposition may display increased psychopathic traits due to greater emotion dysregulation. This is potentially perpetuated by depressive symptoms stemming from a delayed or blunted affective rhythm. Interacting factors (e.g. reduced light exposure) may also contribute to alterations in the biological rhythm amongst evening-types, resulting in a negative feedback cycle. Targeting chronotype and depressive symptoms amongst individuals presenting psychopathic tendencies could increase the efficacy of existing sleep-based interventions for hostile behaviour.

12.
Mindfulness (N Y) ; 8(6): 1438-1455, 2017.
Article in English | MEDLINE | ID: mdl-29201245

ABSTRACT

Mindfulness can be measured as an individual trait, which varies between individuals. In recent years, research has investigated the overlap between trait mindfulness and attachment. The aim of the present review and meta-analysis was to investigate the current evidence linking adult attachment dimensions to trait mindfulness dimensions, and to quantitatively synthesize these findings using meta-analyses. A systematic literature search was conducted using five scientific databases of which, upon review, 33 articles met inclusion criteria. Inclusion criteria were peer-reviewed journals and dissertations published in English that relied on quantitative methods using reliable and validated self-report measures where study participants were aged 16 years and older. Random-effects model meta-analytic procedures were used to investigate the relationship between both constructs. Cross-sectional studies found significant negative correlations between adult attachment insecurity, on either dimension (anxiety or avoidance) and both total mindfulness score and all five sub-dimensions of mindfulness (act with awareness, observe, describe, non-reacting, and non-judging), with the exception of a non-significant positive correlation between attachment anxiety and observe. The effect size of the relationships ranged from small to medium. The overall mean effect sizes were moderate (anxiety, r+ = .34; avoidance, r+ = -.28), with both attachment dimensions associated with lower levels of total mindfulness. Results are discussed in relation to theory and research. Implications for future research include the need to utilize longitudinal design to address causality and mechanisms of the relationship between these constructs.

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