Overview Traditional Chinese Medicine Suan Tsao Jen Tang and Tian-Wang-Bu-Xin Dan in Patients With Primary Insomnia. Status: Completed Trial end date: 2014-10-01 Target enrollment: Participant gender: Summary keywords: Traditional Chinese Medicine, Herbs, Clinical trial, Insomnia, Quality of life, Suan-Zao-Ren Tang, Tian-wang-bu-xin-dan Phase: Phase 2 Details Lead Sponsor: Chung Shan Medical University