If insomnia is caused by insufficiency of yin and blood of the heart and liver, loss of nourishment of the heart (heart without nourishment), and lack of divine control, it can be regulated by combining sour jujube kernel with other medicines, for example, it can be combined with Chuanxiong, Poria, and Zhimu and used in the same way. Sour jujube nut is sweet and sour in flavor and flat in nature. It belongs to the liver, gallbladder and heart meridians. It has the effect of nourishing the heart and tonifying the liver, tranquilizing the heart and calming the mind, restraining sweat and generating fluids. It is used in treating deficiency and insomnia (void and restlessness, unable to sleep), palpitation and dreaming (palpitation and frequent dreaming), excessive sweating, and thirst due to injury of fluid. Caution should be exercised where there is solid evil and fire, and for those suffering from slippery ejaculation. It is recommended that the patient be guided by a traditional Chinese medicine practitioner to standardize the use of medication, and not blindly self-medication, so as not to cause delay in the condition.