The silk tree, also called Albizzia is native to East and South of Asia. Because of its ornemental quality, this plant was rapidly adopted in Europe and in America. The bark of this tree has been used for a long time as a natural solution to alleviate anxiety, soothe the mood and recover a refreshing sleep.

Because of its relaxing properties, the bark of the silk tree soothes emotional disorders,alleviates irritability and reduces insomnia. In TCM, it is said that it « nourishes the Heart ans calms the Mind. So its is recommended to alleviate sleepiness troubles, because it promotes a relaxation state conducive to the return of refreshing nights.