If poor sleep is caused by wind-phlegm obstruction, you can take Niu Huang Qing Xin Wan under the guidance of a doctor. It is not effective if the poor sleep is caused by other reasons. Niu Huang Qing Xin Wan is composed of Niu Huang, Angelica Sinensis, Rhizoma Ligustici Chuanxiong, Glycyrrhiza glabra, Chinese yam and Scutellaria baicalensis. It has the effect of clearing the heart, resolving phlegm, calming fright and dispelling wind. It is used for dizziness and dizziness caused by wind-phlegm obstruction of the orifices, congestion of phlegm and saliva (abnormal phlegm, excessive production of saliva), confusion, slurred speech and convulsions and epilepsy (pediatric diseases with dizziness, convulsions and convulsions as the main manifestation). Niu Huang Qing Xin Wan should be used with caution in pregnant women. Prompt medical attention is recommended in case of discomfort. If medication is needed, it should be identified by a doctor and regulated in accordance with medical advice.