Investigating Affective Mechanisms of Behavioral Sleep Treatment
This study has been withdrawn prior to enrollment.
Minneapolis Veterans Affairs Medical Center
Information provided by (Responsible Party):
Erin Koffel, Minneapolis Veterans Affairs Medical Center
First received: January 28, 2014
Last updated: September 23, 2015
Last verified: September 2015
Insomnia is a highly prevalent condition and costly national public health problem and a transdiagnostic risk factor for the development of a number of internalizing/emotional disorders, as well as associated functional impairment. Interestingly, sleep treatments appear to reduce anxiety and depression in addition to improving sleep. Given the substantial individual and societal costs of insomnia and associated mental illness, there is an urgent need to better understand the mechanism through which sleep treatments improve daytime symptoms of depression and anxiety in order to enhance the efficacy of sleep treatments and ultimately prevent the development of depression and anxiety disorders following the onset of insomnia. Research suggests that sleep disruptions lead to emotional dysregulation, including increased negative affectivity and decreased positive affectivity. This affective reactivity may ultimately be related to the development of depression and anxiety. Despite the apparent link between sleep and emotion regulation, studies have not investigated the influence of sleep treatment on these affective dimensions. The investigators long term goal is to increase understanding of the mechanism of action in sleep treatments in relation to changes in positive and negative valence systems. The investigators immediate objective is to conduct a pilot study investigating changes in mean levels and day-to-day instability of affective dimensions following a brief behavioral intervention for insomnia tailored for veterans (Brief Behavioral Treatment for Insomnia-Military Version. The specific aims include developing a deeper understanding of the effects of behavioral sleep treatment on positive and negative valence systems and testing a model in which affective reactivity modulates the relation between sleep and internalizing symptoms. Both objective and subjective sleep data, as well as measures of affective states and depression/anxiety symptoms, will be collected pre and post-treatment in order to examine changes in sleep, affect and daytime symptoms over the course of treatment and to test a model in which affective changes mediate the relation between improvements in sleep and improvements in depression and anxiety. The investigators hypothesize that sleep treatment will improve sleep, daytime symptoms and affective reactivity and that changes in affect will mediate the relation between sleep and internalizing symptoms.
Behavioral: Brief Behavioral Treatment of Insomnia -Military Version
Further study details as provided by Minneapolis Veterans Affairs Medical Center:
Primary Outcome Measures:
- Insomnia Severity Index [ Time Frame: 1 week post-treatment ]
|Estimated Primary Completion Date:||August 2016 (Final data collection date for primary outcome measure)|
|Experimental: Brief Behavioral Treatment of Insomnia-Military Version||Behavioral: Brief Behavioral Treatment of Insomnia -Military Version|
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