Tokyo, April 22 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000061344) titled 'Efficacy of digital brief behavioral treatment for insomnia using a smartphone application, with or without adjunctive light therapy, in individuals with insomnia symptoms and late chronotypes: a three-arm randomized controlled trial' on April 21.

Study Type: Interventional

Study Design: Basic Design - Parallel Randomization - Randomized Blinding - Open -no one is blinded Control - No treatment

Primary Sponsor: Institute - Kyoto University

Condition: Condition - sleep disturbance Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - The purpose of this study is to exa...