This product is a popular herbal supplement in China and an energizer that helps promote or support normal sleep habits. Classical prescription to calm disturbed shen, reduce heat, nurture the heart, break stagnation, and stop pain. Use for insomnia, dreaminess, restlessness, heart palpitations, and mental agitation. Source: Jin Gui Yao Lue, (Synopsis of the Golden Chamber), Zhang Zhong Jing 219 A.D. Function: Nourish blood; tranquilize the spirit, clear heat; stop uneasiness Application: Use to ease empty fire, which has interfered with the heart spirit due to def. liver blood. Symptoms: Uneasiness, insomnia, palpitations, nightmares, night sweating, dizziness, vertigo, dry mouth. The pulse is wiry, thin, or thin and rapid. Applications also use to help with the following: (Cases who use this formula should have the above-mentioned symptoms of empty fire and def. liver blood This is prepared by modern pharmaceutical method in the form of extract-tablets, according to the formula titled "Suazaoren Tang", composed by Zhang Zhong-jing in his Jin-kui-yao-lue. Prescribed in the formula the actions and uses of the herbal drugs are outlined as following: Zizyphus seminis is used as a nerve-tonic, it relieves neurasthenia, insomnia and neuralgic palpitation; conioselinum is a roborant and sedative, exerts effect on neuralgic pain; poria cocos is a diuretic, relieves neural hyper-palpitation; anemarrhena yields antipyretic, thirst quenching and diuretic effects; glycyrrhiza is a demulcent for the drugs employed. In summary, this medicine, therefore, possesses the effects of neurasthenia and insomnia, etc. It is a remedy of sedative, suitable for perturbation, agrypnia and neurasthenia.