Fig 1.
Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) schedule of enrollment, interventions, and assessments.
Note: T = Timepoint; T1 and T2 = Baseline; T3 = Intervention; T4 = post 7-week intervention. ISI = Insomnia Severity Index; TIB = Time in Bed; SE = Sleep Efficiency; SOL = Sleep Onset Latency; WASO = Wake Time after Sleep Onset; NOW = Number of Nocturnal Awakenings; TST = Total Sleep Time; SQ = Sleep Quality. Adherence/Engagement = the number of logins; the number of homework and questionnaires completed; the number treatment sessions completed; compliance to keeping a consistent sleep schedule, avoiding naps, eliminating consuming alcohol or nicotine 2–3 hours before going to bed, getting out of bed shortly after waking and completing thought examination practices * = assessments for the e-CBTi group only.
Fig 2.
Participant flow chart.
Table 1.
Session overview.