Is Poria effective for insomnia

Poria is known to improve insomnia. Poria has the effect of tranquilizing the heart and can be used to treat insomnia and other conditions.
Poria is a kind of traditional Chinese medicine, for the Polyporaceae fungus Poria’s dried mycorrhizae, its flavor is sweet, light, and flat; attributed to the heart, lung, spleen, kidney meridian. It has the efficacy of inducing diuresis and seepage of dampness (promoting the operation of water to get rid of dampness), strengthening the spleen, tranquilizing the heart and tranquilizing the mind, and is mainly used in the treatment of oedema and urinary deficiency, phlegm-drinking and vertigo-palpitations (vertigo and palpitations due to phlegm-drinking and evil qi upstream), restlessness of the heart and mind, and palpitations and insomnia, and other conditions.
Precautions for Yin deficiency without dampness-heat, deficiency of cold essence and slippery, Qi deficiency and subsidence should be taken with caution.
If there is a need for medication, it is necessary to use the medication under the guidance of a traditional Chinese medicine practitioner to identify the symptoms.