Absorbed in sleep: Dissociative absorption as a predictor of sleepiness following sleep deprivation in two high-functioning samples

Soffer‐Dudek, Nirit; Shelef, Leah; Oz, Idit; Levkovsky, Anna; Erlich, Ifaat; Gordon, Shirley C.

doi:10.1016/j.concog.2016.11.009

Cited by 19 publications

(32 citation statements)

References 31 publications

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“…The current preliminary evidence provided support for the cognitive avoidance hypothesis in sleep problems. Our results are consistent with the previous findings highlighting the predictive value of dissociative absorption on sleep-related outcomes (Fassler et al, 2006;Knox & Lynn, 2014;Soffer-Dudek et al, 2017). Furthermore, intriguingly, dissociative amnesia was a significant determinant of poor sleep quality through pathological worry.…”

Section: Discussionsupporting

confidence: 83%

“…Furthermore, dissociation is a multifaceted construct; however, research on sleep-dissociation have largely relied on relations with overall dissociative tendency but not aspects of dissociative experiences. Soffer-Dudek et al (2017) examined whether the fluctuations on dissociative tendency prospectively predict sleepiness following partial and total sleep loss and recovery sleep. Dissociative absorption was found to be a crucial antecedent of sleepiness following either sleep loss or recovery sleep.…”

Section: Introductionmentioning

confidence: 99%

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The Mediating Role of Pathological Worry in Associations Between Dissociative Experiences and Sleep Quality Among Health Staff

Yıldırım¹,

Boysan²,

Yılmaz³

2018

Sleep Hypn

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There has been a growing interest in determining the antecedents of the significant associations between dissociative symptomatology and sleep. The aim of this study was to investigate the mediation effect of a tendency to elicit uncontrollable and excessive worry on the relationship between dissociation and poor sleep quality among non-shift working health staff. Eighty-five participants with a mean age of 31.19 ±7.14 (ranging from 18 to 54) involved within the study. The Penn State Worry Questionnaire (PSWQ), Dissociative Experiences Scale (DES), Pittsburgh Sleep Quality Index (PSQI) and a demographic questionnaire were administered. Mediation regression models were utilized to evaluate direct and indirect associations between worry, dissociation and sleep quality after controlling for age, gender, marital status, education, prior psychiatric disorders, familial loading and time spent watching TV series in a week. Regression models indicated that direct dose-response relationship between dissociative symptomatology and sleep quality was not statistically significant. However, indirect effects of dissociative symptoms though pathological worry were substantial. More specifically, we found that the DES total, absorption/ imaginative involvement and dissociative amnesia had significant indirect effects on poor sleep quality via excessive worry as measured by the PSWQ. We concluded that dissociative symptoms are indirectly associated with sleep through negative repetitive thoughts such as pathological worry. Therefore, new generation therapeutic approaches particularly mindfulness therapy should be considered in the first-line treatments of sleep disturbance.

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Section: Discussionsupporting

confidence: 83%

Section: Introductionmentioning

confidence: 99%

The Mediating Role of Pathological Worry in Associations Between Dissociative Experiences and Sleep Quality Among Health Staff

Yıldırım¹,

Boysan²,

Yılmaz³

2018

Sleep Hypn

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“…In addition, slow‐wave bands are characteristic of the sleep state, and indeed, there is a burgeoning literature on dissociation in relation to sleep abnormalities, specifically, mixed sleep–wake states (e.g., Koffel & Watson, ; Mahowald & Schenck, ; Van der Kloet, Merckelbach, Giesbrecht, & Lynn, ). Recently, we have also shown that in healthy, nonpathological samples, individuals who had high scores in dissociative absorption felt the strongest increase in sleepiness following sleep loss, even after recovery sleep (Soffer‐Dudek et al, ), further supporting the relation between dissociation and sleep. Possibly, reduced coherence in slow‐wave (sleep‐related) bands is indicative of a propensity toward a mixed sleep–wake consciousness state.…”

Section: Discussionmentioning

confidence: 57%

“…Understanding the underpinnings of dissociative absorption is important; this trait has been strongly linked to psychopathology in general, and obsessive‐compulsive symptoms specifically (Soffer‐Dudek, ; Soffer‐Dudek et al, ). Dissociative absorption may represent a predisposing risk for obsessive‐compulsive disorder because individuals who tend to be absorbed and “miss out” on what is happening in their vicinity are more likely to react with anxious repeated checking, and confusion between reality and imagination.…”

Section: Introductionmentioning

confidence: 99%

“…Dissociative absorption may represent a predisposing risk for obsessive‐compulsive disorder because individuals who tend to be absorbed and “miss out” on what is happening in their vicinity are more likely to react with anxious repeated checking, and confusion between reality and imagination. In addition, dissociative absorption is important as an individual differences trait in other domains as well; a recent study showed that baseline levels of trait dissociative absorption among high‐functioning samples (characterized by the absence of psychopathology) predicted vulnerability to the effects of sleep loss (Soffer‐Dudek et al, ). Specifically, high absorbers had more difficulty contending with the pull toward the sleep state while they were awake, even after recovery sleep, and after controlling for baseline sleepiness.…”

Section: Introductionmentioning

confidence: 99%

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A neural correlate for common trait dissociation: Decreased EEG connectivity is related to dissociative absorption

Soffer‐Dudek

Todder

Shelef

et al. 2018

Journal of Personality

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The path to dissociative experiences: A direct comparison of different etiological models

Buchnik-Daniely

Vannikov-Lugassi

Shalev

et al. 2021

Clin Psychology and Psychoth

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Severe dissociation is trauma‐related, but a range of dissociative experiences are also prevalent in clinical populations that are not necessarily trauma‐based (e.g., depression, anxiety disorders, and obsessive–compulsive disorders). These remain poorly understood as the dominant etiological model for dissociation relies on trauma. Importantly, dissociation in such samples predicts poor prognosis and high drop‐out rates. We set out to better understand the aetiology of dissociative experiences in a mixed clinical (anxiety and depression) and community sample by exploring between‐ and within‐subjects effects of two domains: psychological distress or negative affectivity (operationalized as anxiety and depression symptoms), and poor sleep quality, including disturbed dreaming. The idea that negative affectivity triggers dissociation (Distress Model) is inspired by the trauma model. The idea that poor sleep and unusual dreaming underlie dissociation (Sleep Model) has been suggested as a competing theory. We examined both models by exploring which domains oscillate alongside dissociative experiences. N = 98 adults, half of them diagnosed with depression and anxiety and half community controls, underwent a structured clinical interview and completed questionnaires monthly for 6 months. Support was found for both models in that each domain had a unique explanatory contribution. Distress evinced consistent effects that could not be explained by sleep or dreaming, both between individuals and across time. Oscillations in dissociation across months, when taking psychological distress into account, were better explained by unusual dreaming than traditional sleep quality measures. These findings cannot be generalized to highly‐traumatized samples. A complex, integrated etiological model for dissociative experiences is warranted.

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Absorbed in sleep: Dissociative absorption as a predictor of sleepiness following sleep deprivation in two high-functioning samples

Cited by 19 publications

References 31 publications

The Mediating Role of Pathological Worry in Associations Between Dissociative Experiences and Sleep Quality Among Health Staff

The Mediating Role of Pathological Worry in Associations Between Dissociative Experiences and Sleep Quality Among Health Staff

A neural correlate for common trait dissociation: Decreased EEG connectivity is related to dissociative absorption

The path to dissociative experiences: A direct comparison of different etiological models

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