Cognitive Behavioral Therapy for Insomnia in Older Veterans Using Nonclinician Sleep Coaches: Randomized Controlled Trial

Aug 24, 2016Journal of the American Geriatrics Society

Cognitive Behavioral Therapy for Insomnia in Older Veterans Delivered by Non-Expert Sleep Coaches: A Randomized Trial

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Abstract

Intervention subjects experienced a 23.4-minute reduction in sleep onset latency after the cognitive behavioral therapy program.

Significant improvements were observed in sleep onset latency, wake time after sleep onset, and sleep efficiency at posttreatment, 6-month, and 12-month assessments.
The intervention group reported a decrease in total wake time by 68.4 minutes after treatment.
Sleep efficiency improved by 10.5% in the intervention group from baseline to posttreatment.
Quality of sleep, as measured by the Pittsburgh Sleep Quality Index, showed a notable reduction in scores among those receiving the intervention.
No significant differences were found in objective sleep efficiency, depressive symptoms, or quality of life measures between groups.

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OBJECTIVES: To test a new cognitive behavioral therapy for insomnia (CBT-I) program designed for use by nonclinicians.

DESIGN: Randomized controlled trial.

SETTING: Department of Veterans Affairs healthcare system.

PARTICIPANTS: Community-dwelling veterans aged 60 and older who met diagnostic criteria for insomnia of 3 months duration or longer (N = 159).

INTERVENTION: Nonclinician "sleep coaches" delivered a five-session manual-based CBT-I program including stimulus control, sleep restriction, sleep hygiene, and cognitive therapy (individually or in small groups), with weekly telephone behavioral sleep medicine supervision. Controls received five sessions of general sleep education.

MEASUREMENTS: Primary outcomes, including self-reported (7-day sleep diary) sleep onset latency (SOL-D), wake after sleep onset (WASO-D), total wake time (TWT-D), and sleep efficiency (SE-D); Pittsburgh Sleep Quality Index (PSQI); and objective sleep efficiency (7-day wrist actigraphy, SE-A) were measured at baseline, at the posttreatment assessment, and at 6- and 12-month follow-up. Additional measures included the Insomnia Severity Index (ISI), depressive symptoms (Patient Health Questionnaire-9 (PHQ-9)), and quality of life (Medical Outcomes Study 12-item Short-form Survey version 2 (SF-12v2)).

RESULTS: Intervention subjects had greater improvement than controls between the baseline and posttreatment assessments, the baseline and 6-month assessments, and the baseline and 12-month assessments in SOL-D (-23.4, -15.8, and -17.3 minutes, respectively), TWT-D (-68.4, -37.0, and -30.9 minutes, respectively), SE-D (10.5%, 6.7%, and 5.4%, respectively), PSQI (-3.4, -2.4, and -2.1 in total score, respectively), and ISI (-4.5, -3.9, and -2.8 in total score, respectively) (all P < .05). There were no significant differences in SE-A, PHQ-9, or SF-12v2.

CONCLUSION: Manual-based CBT-I delivered by nonclinician sleep coaches improves sleep in older adults with chronic insomnia.

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Cognitive Behavioral Therapy for Insomnia in Older Veterans Using Nonclinician Sleep Coaches: Randomized Controlled Trial

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