Treating Acute Insomnia: A Randomized Controlled Trial of a "Single-Shot" of Cognitive Behavioral Therapy for Insomnia.

Jason Ellis, Toby Cushing, Anne Germain

Research output: Contribution to journalArticlepeer-review

94 Citations (Scopus)
55 Downloads (Pure)


Study Objectives Despite considerable evidence supporting cognitive behavioral therapy for insomnia (CBT-I) for chronic insomnia, it remains untested within the context of acute insomnia. This study examined the efficacy of a single session of CBT-I, with an accompanying self-help pamphlet, for individuals with acute insomnia. Design A pragmatic parallel group randomized controlled trial. Participants Forty adults (mean age 32.9 + 13.72 y) with Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) defined insomnia disorder, except a self-reported duration of less than 3 mo (i.e., acute insomnia), who reported no previous exposure to CBT-I and were not currently taking medication for sleep. Interventions A single 60- to 70-min session of CBT-I (n = 20), with an accompanying self-help pamphlet, or wait list control group (n = 20). All subjects were offered a full individual course of CBT-I on completion of the study, regardless of group allocation. Measurements and Results Subjects completed sleep diaries and the Insomnia Severity Index (ISI) pre-treatment and 1 mo following treatment. There were no between-group differences on baseline ISI scores or subjective sleep continuity. The intervention group reported significantly lower ISI scores than controls (t(38)-2.24, P <0.05) at follow-up. Further, using proposed ISI scores for identifying insomnia caseness (i.e.,
Original languageEnglish
Pages (from-to)971-978
Issue number06
Publication statusPublished - 1 Jun 2015


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