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Published on: February 6, 2019
Cognitive behavioral therapy for insomnia among young adults who are actively drinking: a randomized pilot trial
Mary Beth Miller1, Chelsea B Deroche1, Lindsey K Freeman1
1Department of Psychiatry, University of Missouri, Columbia, MO.
Study Objectives:
More than half of young adults at risk for alcohol-related harm report symptoms of insomnia. Insomnia symptoms, in turn, have been associated with alcohol-related problems. Yet one of the first-line treatments for insomnia (Cognitive Behavioral Therapy for Insomnia or CBT-I) has not been tested among individuals who are actively drinking. This study tested (1) the feasibility and short-term efficacy of CBT-I among binge-drinking young adults with insomnia and (2) improvement in insomnia as a predictor of improvement in alcohol use outcomes.
Methods:
Young adults (ages 18-30 years, 75% female, 73% college students) who met criteria for Insomnia Disorder and reported 1+ binge drinking episode (4/5+ drinks for women/men) in the past month were randomly assigned to 5 weekly sessions of CBT-I (n = 28) or single-session sleep hygiene (SH, n = 28). All participants wore wrist actigraphy and completed daily sleep surveys for 7+ days at baseline, posttreatment, and 1-month follow-up.
Results:
Of those randomized, 43 (77%) completed posttreatment (19 CBT-I, 24 SH) and 48 (86%) completed 1-month follow-up (23 CBT-I, 25 SH). CBT-I participants reported greater posttreatment decreases in insomnia severity than those in SH (56% vs. 32% reduction in symptoms). CBT-I did not have a direct effect on alcohol use outcomes; however, mediation models indicated that CBT-I influenced change in alcohol-related consequences indirectly through its influence on posttreatment insomnia severity.
Conclusions:
CBT-I is a viable intervention among individuals who are actively drinking. Research examining improvement in insomnia as a mechanism for improvement in alcohol-related consequences is warranted.
Trial Registration:
U.S. National Library of Medicine, https://clinicaltrials.gov/ct2/show/NCT03627832, registration #NCT03627832.
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