Introduction
fits, sleep initiation, insomnia, Insomnia disorder, insomnia disorder
Insomnia disorder, characterised by persistent problems with sleep initiation and/or maintenance and daytime consequences, is associated with mental and physical conditions and significantly impaired quality of life.Current guidelines recommend cognitive behavioural therapy for insomnia (CBT-I) as the first-line treatment,Meta-analysis suggests that SRT can reduce insomnia symptoms,HABIT was a parallel, open-label RCT to determine the effectiveness of nurse-delivered SRT compared with sleep hygiene alone in adults (aged ≥18 years) meeting criteria for insomnia disorder recruited within primary care.How this fits inThe current study is a process evaluation of the HABIT intervention, in line with UK Medical Research Council (MRC) guidelines, to understand intervention delivery, fidelity, and acceptability from the perspective of patients, practice nurses, and other stakeholders.