e-ISSN: Pending
Negative / Null Result ReportMedicine

Lights On or Off? The Efficacy of Light Therapy as Add-On to Cognitive Behavioural Therapy for Insomnia-A Pilot Study.

Schmid SR; Blume C; Ell J; Konzen N; Apweiler M; Feige B; Fiebich BL; Schiel JE · 2026 · Journal of sleep research

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Cognitive behavioural therapy for insomnia (CBT-I) is recommended as first-line treatment for insomnia disorder. However, around 25% of the patients do not respond to the treatment, and only 40% achieve full remission. The current study…

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Metadata source: Europe PMC · DOI 10.1111/jsr.70357