British Journal of Anaesthesia
August 1, 2023
Katja Valli, Linda Radek, Roosa E Kallionpää et al.
Anaesthetic-induced unresponsiveness and non-rapid eye movement (NREM) sleep share common neural pathways and neurophysiological features. We hypothesised that these states bear resemblance also at the experiential level. We compared, in a within-subject design, the prevalence and content of experiences in reports obtained after anaesthetic-induced unresponsiveness and NREM sleep. Healthy males...
Psychological Trauma: Theory, Research, Practice and Policy
July 31, 2023
Westley Youngren, N. Hamilton, Kristopher J. Preacher et al.
OBJECTIVE Posttrauma nightmares are recurring nightmares that begin after a traumatic experience. Research has only recently begun to identify variables that predict posttrauma nightmare occurrences. Research has identified presleep arousal-cognitive (PSA-C) and presleep arousal physiological (PSA-PHYS), sleep onset latency (SOL), and sleep-disordered breathing (SDB) as potential predictors of...
Somnologie: Schlafforschung und Schlafmedizin
July 24, 2023
Jonas Mathes, Jennifer Schuffelen
Abstract Background To date, the relationship between frequent nightmares, chronic pain, waking-life distress and sleep quality is still unclear. Previous research has shown that chronic pain patients reported more frequent nightmares and critical life events compared to a control group. Moreover, patients reported pain dreams similar to pain in their waking-life, whereas controls reported pain...
Sleep
July 12, 2023
Barry Krakow
3 citations
Dear Editor, Campbell et al. report an interesting association between nightmares and cardiovascular (CVS) risk [1]. The methodology in this work, however, is limited in ways that must be addressed in future research. In clinical sleep medicine as well as in several sleep research investigations, it is apparent chronic nightmare disorder often co-exists with sleep-disordered breathing (SDB)...
arXiv (Cornell University)
July 9, 2023
Anubhab Das, Sanja Šćepanović, Luca Maria Aiello et al.
1 citation
preprint
Dreaming is a fundamental but not fully understood part of human experience that can shed light on our thought patterns. Traditional dream analysis practices, while popular and aided by over 130 unique scales and rating systems, have limitations. Mostly based on retrospective surveys or lab studies, they struggle to be applied on a large scale or to show the importance and connections between...
The Scribes of Sleep
July 4, 2023
Kelly Bulkeley
Abstract This chapter examines the dream journals of the seven main figures using a word-search method based on the resources of the Sleep and Dream Database (SDDb). The SDDb provides a template of forty categories of content, grouped into eight classes: Perception, Emotion, Characters, Movement, Social Interactions, Cognition, Culture, and Elements. The dreams of the seven dream journalists...
The Scribes of Sleep
July 4, 2023
Kelly Bulkeley
Abstract This chapter examines the dream journals of the seven main figures, looking for unusual and anomalous features of dream content. Whereas the previous chapter looked at the common patterns of dreaming, this one focuses on the patterns that stand out as uncommon and distinctive to the individual dreamer. Included is a discussion of the continuity hypothesis and the idea that patterns in...
Sleep and biological rhythms
July 1, 2023
Yi-Seul Choo, Sang Wook Hong, Ga Eun Koo et al.
Dreaming may be affected by sleep behavior; however, evidence of the effect of chronotypes on dreaming is limited. We investigated sleep patterns, dream recall, and nightmare distress according to chronotypes. This cross-sectional study retrospectively enrolled adult participants (age > 18 years) who visited a sleep laboratory between 2016 and 2021 and underwent standard polysomnography (PSG)...
European Journal of Trauma & Dissociation
June 30, 2023
Alyssia Simos, David C. Berle
10 citations
Nightmares are a re-experiencing symptom of Post-Traumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). They are intrusive, involuntary and have a significant impact on wellbeing, suggesting they have substantial clinical relevance. However, little is known about the phenomenological features of post-traumatic nightmares and how they impact the severity of PTSD and CPTSD symptoms....
PsyArXiv
June 30, 2023
Cameron Sandell, Tadas Stumbrys, Ken A Paller et al.
preprint
Standard treatments for nightmares focus on waking activities, with consequences for subsequent sleep. An alternative strategy may be to provide people with a novel way to learn to end a nightmare by waking up. People typically think of sleep as a state that they cannot control, but there are exceptions to this rule. For example, the ability to select dream content in a lucid dream might allow...
Journal of Sleep Research
June 21, 2023
Michael Schredl
Research indicated that patients suffering from nightmares are often undertreated. One reason for this gap is that nightmare sufferers themselves often have not sought professional help for their nightmares, and-if they did-it was not very helpful. The current study aimed at studying trait factors (personality, harm avoidance) in relation to the persons considering seeking professional help. In...
ACM International Conference Proceeding Series
June 19, 2023
The artwork Hyperdream explores the concept of organicity through the architectural dimension of dreams. A person enters a hypnagogia-like state with the help of a dream machine. We generate hypnagogic landscapes from their recorded brainwaves and reported descriptions of hallucinations. Finally, we conduct an event-related potentials (ERPs) study to investigate the organic response of the...
Psihologija
June 9, 2023
Protić Sonja, Gorzka Robert-Jacek, Höllmer Helge et al.
Gender is one of the well-recognized risk factors for idiopathic nightmares, but rarely connected to posttraumatic nightmare characteristics. Thus, this study aims to test gender differences in (posttraumatic) nightmare characteristics after controlling for trauma-related psychopathology in a large sample of people who experienced trauma. Research participants were 707 soldiers (mean age 31.3...
Sleep Health
June 2023
Brian A Moore, Allison Brager, Jason Judkins et al.
Military personnel experience high rates of traumatic experiences. Despite this, few studies have examined the presence of nightmare disorder in military personnel. The primary aim of this study was to examine diagnoses of nightmare disorder across the 4 largest branches of the active-duty US military. Data and service branch densities used to derive the expected rates of diagnoses of nightmare...
Journal of Sleep Research
June 1, 2023
Elisabetta Fasiello, Serena Scarpelli, Maurizio Gorgoni et al.
Rapid eye movement (REM) sleep behaviour disorder is a REM sleep parasomnia characterised by the loss of the physiological muscle atonia during REM sleep, resulting in dream enactment behaviours that may cause injuries to patients or their bed partners. The nocturnal motor episodes seem to respond to the dream contents, which are often vivid and violent. These behavioural and oneiric features...
Journal of Sleep Research
June 1, 2023
Giorgia Margherita, Alessia Caffieri
A 'new' way of dreaming has emerged during the pandemic, enhancing the interest of psychological literature. Indeed, during the years of the spread of coronavirus disease 2019 (COVID-19), many studies have investigated dream-related phenomena and dreaming functions. Considering the constant and rapid emergence of new results on this topic, the main aim of this study was to create an...
Sleep
May 29, 2023
Regan Christian, Danica C. Slavish
Abstract: Introduction: Most adults experience a traumatic event at some point in their lifetime, and some also go on to develop posttraumatic stress disorder (PTSD). Sleep disorders such as insomnia and nightmares are common in PTSD, which may be due to hyperarousal and distressing memories that disrupt the sleep-wake cycle. Complex PTSD (C-PTSD) is a new distinct diagnosis of PTSD that...
Sleep
May 29, 2023
Odalis G Garcia, Katherine A. Duggan
Abstract: Introduction: Dream content is typically measured using self-reports which draw heavily on psychoanalytic theory. There is a need for a modern, reliable, validated, and comprehensive measure of dream content and experience. The DIAMONDS taxonomy has been developed and extensively validated by social/personality psychologists to assess psychologically salient features of waking...
The International Journal of Neuropsychopharmacology
May 24, 2023
Yuru Nie, Ye Zhang, Rong Ren et al.
1 citation
Trauma-related nightmares (TRN) are a reexperiencing of previous traumas that happened in real life or a dream sequence initially triggered by trauma that leads to recurrent emotional dreaming about the trauma. TRN, one of the most common symptoms in posttraumatic stress disorder (PTSD), are disturbing mental experiences that generally occur during rapid eye movement (REM) sleep and often...
Frontiers in Psychology
May 18, 2023
Giada Rapelli, Giorgia Varallo, Serena Scarpelli et al.
Introduction: The COVID-19 pandemic caused several psychological consequences for the general population. In particular, long-term and persistent psychopathological detriments were observed in those who were infected by acute forms of the virus and need specialistic care in the Intensive Care Unit (ICU). Imagery rehearsal therapy (IRT) has shown promising results in managing nightmares of...