The effects of digital CBT intervention on attentional bias and sleep quality of poor sleepers with insomnia symptoms.

Publisher: BioMed Central Country of Publication: England NLM ID: 101627676 Publication Model: Electronic Cited Medium: Internet ISSN: 2050-7283 (Electronic) Linking ISSN: 20507283 NLM ISO Abbreviation: BMC Psychol Subsets: MEDLINE

Original Publication: London : BioMed Central, [2013]-

Sleep Initiation and Maintenance Disorders*/therapy ; Sleep Initiation and Maintenance Disorders*/psychology ; Cognitive Behavioral Therapy*/methods ; Attentional Bias* ; Sleep Quality*; Humans ; Female ; Male ; Adult ; Middle Aged ; Young Adult ; Treatment Outcome

Background: Attentional bias is a salient manifestation of insomnia. Digital cognitive therapy for insomnia (dCBT-I) has been validated as effective in alleviating this cognitive dysfunction. However, the effect of dCBT-I on attentional bias among Chinese individuals with insomnia remains undiscussed. This research sought to investigate this effect via a pictorial dot-probe task.
Methods: In Study 1, the pattern of attentional bias among poor sleepers (N = 52) and normal sleepers (N = 56) was assessed by the dot-probe task. In study 2, dCBT-I and conventional education were received by the experimental group (N = 42) and control group (N = 25), respectively. The dot-probe tasks and sleep quality assessments were completed at baseline and post-test.
Results: The results of Study 1 indicated that poor sleepers exhibited significant attentional bias, characterized by increased attentional vigilance. Compared to normal sleepers, they showed heightened attentional vigilance toward sleep-related cues. The results of Study 2 showed that both dCBT-I and conventional education led to improvements in PSQI scores. However, only dCBT-I training alleviated attentional vigilance toward sleep-related cues. Additionally, dCBT-I was uniquely effective in reducing feelings of fatigue.
Conclusions: Poor sleepers had a significant attentional bias, marked by heightened vigilance toward sleep-related cues. Digital CBT-I effectively reduced attentional vigilance and fatigue, suggesting that dCBT-I targets the cognitive distortions associated with insomnia.
Trial Registration: ChiCTR2100053172 (registered 13/11/2021).
Competing Interests: Declarations Ethics approval and consent to participate The present study was carried out according to relevant guidelines and regulations. This study protocol was reviewed and approved by Shanghai Normal University Ethics Association. Before inclusion in the study, we received informed consent from all participants. Consent for publication Not applicable. Competing interests The authors declare no competing interests.
(© 2024. The Author(s).)

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Keywords: Attentional bias; Attentional vigilance; Cognitive behavioral therapy for insomnia; Dot-probe task; Insomnia

Date Created: 20241119 Date Completed: 20241119 Latest Revision: 20241121

20241121

PMC11575068

10.1186/s40359-024-02193-8

39558404