Wearable low-level laser therapy (laser acupuncture) versus manual acupuncture for chronic insomnia: protocol for a randomized, assessor-blinded, superiority trial

BackgroundChronic insomnia is a prevalent and disabling condition associated with impaired daytime functioning, psychiatric comorbidity, and autonomic dysregulation. Although cognitive behavioral therapy for insomnia (CBT-I) is recommended as the first-line treatment, access is limited. Acupuncture has demonstrated therapeutic benefits for insomnia but requires trained practitioners and repeated clinic visits. Low-level laser therapy (LLLT), an acupoint-targeted form of photobiomodulation that i