Wu Wei Zi is not a standard treatment for insomnia, it is a kind of Chinese health care drug. It may be helpful for some patients with mild insomnia, not chronic stubborn insomnia, and this kind of Chinese medicine has some tranquilizing ingredients in its composition. However, for patients with more severe and persistent insomnia, the effect may not be very good. So, for lighter patients, you can make some attempts, for some more stubborn insomnia patients, it may be less effective, it may only be able to be used as an auxiliary medicine.