This research study has been conducted to identify and evaluate the effectiveness of Sanjoin-Tang(酸棗仁湯) for insomnia relief. The clinical testing of Sanjoin-Tang(酸棗仁湯) was carried out at Oriental Medical Center of Dong-Eui University with the participation of 30 patients. The results of Sanjoin-Tang(酸棗仁湯) treatments show as follows: Change of total amount of sleep showed 1.75±2.23 hours of increase.(p-value=0.001, respectively) Change of average delaying bedtime before and after the treatment showed 1.57±2.50 hours of decrease.(p-value=0.001, respectively) Change of average bedtime arousal before and after the treatment showed 0.96±1.46 times of decrease. (p-value=0.004, respectively) Change of sleep quality after the treatment has improved. According to statistical results, Sanjoin-Tang(酸棗仁湯) has proven effective for reducing sleep disorders, and this, restoring normal sleep patterns.