Participants
sleep disorders, hearing, visual or language defects, hematological dysfunction, insomnia, Insomnia, electroacupuncture, insomnia disorder
DISORDERS, OBSTRUCTIVE SLEEP APNOEA, BREAST CANCER
Patients were eligible if they were: (i) females aged 18–75; (ii) had a diagnosis of stage I–IV breast cancer; (iii) underwent or had completed chemotherapy no more than 6 months; (iv) insomnia occurred at least 3 nights/week and lasted at least one month, with the fulfilment of the diagnostic criteria for brief insomnia disorder of the Diagnostic and Statistical Manual of Mental Disorders (5th Edition); and (v) the severity of insomnia reached at least 10 points of Insomnia Severity Index (ISI) over the past 2 weeks.Patients were excluded if they had: (i) other sleep disorders (e.g., obstructive sleep apnoea), irregular sleep pattern, or shift work; (ii) severe hearing, visual or language defects; (iii) severe hematological dysfunction (e.g., haemoglobin < 8 g/dL, platelet count < 60,000/μL, absolute neutrophil count < 1000/μL); (iv) pacemakers or other electronic implants that might interfere with electroacupuncture; (v) had acupuncture treatment in the past 3 months; or (vi) participated in other clinical trials in the past 3 months.