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Voice-Activated Cognitive Behavioral Therapy for Insomnia: A Randomized Clinical Trial.

Claire M Starling¹, Daniel Greenberg², Daniel Lewin³

¹Implementation Science, Healthcare Delivery Research, MedStar Health Research Institute, Washington, DC.

JAMA Network Open

|September 24, 2024

Summary

A voice-activated cognitive behavioral therapy for insomnia (CBT-I) program significantly improved sleep quality in breast cancer survivors. This internet-delivered intervention offers a scalable solution for managing insomnia symptoms in this population.

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Area of Science:

Oncology
Sleep Medicine
Digital Health

Background:

Insomnia significantly impacts breast cancer survivors, affecting 30-50% of this population.
Cognitive Behavioral Therapy for Insomnia (CBT-I) is effective, yet delivery modalities require innovation to meet demand.

Purpose of the Study:

To assess the efficacy of a voice-activated, internet-delivered CBT-I program for improving insomnia symptoms in breast cancer survivors.

Main Methods:

A randomized clinical trial involving breast cancer survivors with insomnia (Insomnia Severity Index score >7).
Participants were randomized to a 6-week voice-interactive CBT-I program via smart speaker or an educational control group.
Outcomes included changes in Insomnia Severity Index scores and sleep parameters, analyzed using linear mixed models and Cohen d estimates.

Main Results:

The CBT-I intervention group showed a significant reduction in Insomnia Severity Index scores (-8.4 points) compared to the control group (-2.6 points) (P < .001).
Statistically significant improvements were observed in sleep quality, reduced wake after sleep onset, and decreased sleep onset latency in the intervention group.
While sleep efficiency improved, total sleep time did not show a significant difference between groups.

Conclusions:

An in-home, voice-activated CBT-I program effectively improved insomnia symptoms among breast cancer survivors.
This digital health modality presents a promising, scalable approach for managing sleep disturbances in cancer survivorship.
Future research should focus on scaling and integrating such programs into routine ambulatory care settings.