Sleep and productivity benefits of digital cognitive behavioral therapy for insomnia: a randomized controlled trial conducted in the workplace environment

Bostock, Sophie
Luik, Annemarie I.
Espie, Colin A.

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Publication date

August 2016

DOI

10.1097/jom.0000000000000778

Publisher

Ovid Technologies (Wolters Kluwer Health)

Abstract

Objective: Evaluating digital cognitive behavioral therapy (dCBT) for insomnia in a workplace environment. Methods: Within a randomized controlled trial in a Fortune 500 company, we randomized 270 self-identified poor sleepers [180 M/90 F: mean age 33.6 years (23 to 56 years)] to dCBT (n=135) or waiting list (WL, n=135). dCBT comprised six online sessions delivered by an animated therapist. Major assessments were at baseline and posttreatment. Results: Sleep Condition Indicator (SCI) scores were significantly higher for the dCBT group [interaction term: F (1,485)=15.63, P<0.0001], representing Cohen's d of 1.10 following dCBT (d=0.34 for WL). On the Work Productivity and Impairment questionnaire, "presenteeism" demonstrated significant impr...