AUTHOR=Zhao Yating , Ge Fangmei , Luo Xin , Li Jingru , Zhang Jing , Ju Yi , Zhang Jie , Wang Yong , Lyu Dongbin , Qiu Yiren , Yuan Chengmei TITLE=The applicability and effectiveness of the cognitive behavioral therapy for insomnia (Smart CBT-I plus) online program in patients with insomnia disorder combined with anxiety and depression: a randomized controlled trial protocol JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1450275 DOI=10.3389/fpsyt.2025.1450275 ISSN=1664-0640