The Journal of Sleep Disorders : Treatment & Care (JSDTC) promotes rigorous research that makes a significant contribution in advancing knowledge for Sleep behavior disorders and, as well as treatment strategies, Latest therapies, diagnostic tools, and treatment innovations to care for those who suffer from a wide range of sleep disorders.
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Added Value of a Mandible Movement Automated Analysis in the Screening of Obstructive Sleep Apnea: Is there a Gender Influence?
We previously demonstrated the added value of mandible movement automated analysis (MMAA) to a portable device for the screening of obstructive sleep apnea (OSA). In the present study, we aimed at investigating its respective value in the two genders. Several sleep monitoring equipments have been developed for the screening of OSA but few have been assessed in the female population. In a Systematic Review of the literature on portable devices published in 2003, the authors recommend that studies include more diversified populations, among them women.
Development of a Short Version of the Dysfunctional Beliefs about Sleep Questionnaire for use with Children (DBAS-C10)
Background: Dysfunctional beliefs about sleep (DBAS) contribute to sleep problems. There is urgent need to develop a questionnaire addressing these beliefs in children. We aimed to develop and assess the psychometric properties of a short version of the DBAS for use with children (DBAS-C10), adapted from the previous child and adult versions. Methods: Data were collected in 134 year 6/7 students [mean (SD) age = 12.73 y (.09y)] who completed the DBAS-C10 twice, either before and after a sleep education intervention (n=91) or before and after curriculum as usual (n=43). Exploratory factor analysis and validity testing were undertaken. Results: Three factors emerged (1) Beliefs about the immediate negative consequences of insomnia (items 1;6;7;9) (2) Beliefs about the long-term negative consequences of insomnia (items 2, 3;5;8) (3) Need to control the insomnia (items 4;10). In effect, only one difference from the adult factor structure resulted, item 2 moved from short term consequences to long term consequences of insomnia. Internal consistency of the scale was good (0.71), and the test retest reliability (when the questionnaire was completed 5-7 weeks apart) suggested consistency of responses. The questionnaire showed small sensitivity to change post intervention. Conclusions: This scale has acceptable psychometric properties and could be used to investigate dysfunctional beliefs in children and potentially detect changes in sleep related cognitions in children in treatment interventions.
The gamma-hydroxybutyrate acid (GHB) is a short chain fatty acid, an endogenous metabolite of gamma–aminobutyric acid (GABA), known major inhibitor neurotransmitter. The GHB presents an action fundamentally at Central Nervous System (CNS) level, and possesses a high affinity for specific receptors located in the cerebral cortex and in the medulla. Sodium Oxybate (SO) is the sodium salt of the GHB. Its character as inhibitor neuromodulator, with the possibility of inducing respiratory depression, and the potential risk of abuse/misuse forces clinicians to be constantly monitoring for signs of misuse.
Neurocognitive and Psychosocial Outcomes of Obstructive Sleep Apnea in Hong Kong Chinese: Similar to or Different from Western Populations?
Purpose: Obstructive sleep apnea (OSA) has long been associated with daytime consequences. However, systematic and comprehensive studies on the neuropsychological functioning among Chinese patients with OSA were lacking. This study aimed to investigate the functioning of individuals with OSA using a comprehensive neuropsychological battery, experimental tasks based on a well-specified paradigm of working memory (WM), and questionnaires measuring a wide spectrum of psychosocial functioning, thereby establishing a neurocognitive and psychosocial profile of Hong Kong Chinese with OSA, in comparison to western populations. Methods: Twenty-five patients with moderate to severe OSA and 30 healthy controls were recruited from the Sleep Disorders Centre of Queen Mary Hospital and the community, respectively. Participants were tested on attention and working memory, verbal and visual learning and recall, executive functions, and processing speed, and completed self-reported measures on daytime sleepiness, sleep quality, mood, functional outcomes, and quality of life.
Treatment of Sleep Disturbances in Military Personnel: The Potential to Improve Other Service-Related Illnesses
Recent studies demonstrate the integral nature of disturbed sleep in the symptoms and disorders of military personnel [1,2]. Sleep disturbances are not only an associated symptom of the servicerelated disorders of traumatic brain injury (TBI), depression and post-traumatic stress disorder (PTSD) but an inherent part of the military life-style . Short, irregular sleep occurs in non-deployed military personnel and even more so in deployed military personnel [4,5]. For the most part, “sleep disturbances” are considered a result of deployment or service-related disorders, such as depression, pain, PTSD and TBI. Only recently are the sleep disorders of military personnel recognized as distinct diagnoses [6,7].
Sleep Problems, Suicidality and Depression among American Indian Youth Elizabeth Mayfield
Study background: Mental health and sleep problems are important public health concerns among adolescents yet little is known about the relationship between sleep, depressive symptoms, and suicidality among American Indian youth. Methods: This study examined the impact of sleep and other factors on depressive symptoms and suicidality among Lumbee American Indian adolescents (N=80) ages 11-18. Results: At the bivariate level, sleepiness, was associated with depression but not with suicidality. Time in bed (TIB) was not associated with depression, but more TIB decreased the likelihood of suicidality. Higher levels of depressive symptoms were associated with increased likelihood of suicidality. At the multivariate level, sleepiness, suicidality, and self-esteem were associated with depression. TIB and depressive symptoms were the only variables associated with suicidality. Conclusion: In working with American Indian youth, it may be helpful to consider sleep patterns as part of a comprehensive assessment process for youth who have or are at risk for depression and suicide.