Jujube seed is the mature dried seed of Ziziphus jujube Mill. It has been used since ancient times as a drug that exhibits diverse effects in Asia. In addition, jujuboside (Ju), the main pharmacological component of jujube seed, can significantly improve sleep. Jujuboside belongs to the tetracyclic triterpenoids and pentacyclic triterpenoid saponins, of which there are more than 50 types.