Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Ganoderma lucidum (also called Reishi or Lingzhi) has been used in traditional Chinese medicine for centuries, often as a general health tonic and for promoting "calmness" and "restful sleep." Historical texts describe Ganoderma as having sedative properties and it has been included in formulas aimed at treating insomnia and anxiety. Traditional use often attributes its calming effects to its ability to "nourish the heart and calm the spirit."

Modern scientific research into Ganoderma's effects on insomnia is limited but growing. Some animal studies suggest that extracts of Ganoderma may have sedative effects, possibly by modulating neurotransmitters such as GABA and serotonin, which are involved in sleep regulation. A few small human studies and surveys indicate possible improvements in sleep quality and reduced fatigue, but these studies tend to be of low methodological quality, with small sample sizes and potential biases. There is no strong clinical evidence from large, well-controlled human studies to confirm Ganoderma's efficacy for treating insomnia. Most scientific reviews conclude that while traditional use is robust, rigorous scientific validation is still lacking.

In summary, Ganoderma's use for insomnia is primarily rooted in traditional medicine, with some preliminary but inconclusive scientific support. Individuals considering Ganoderma for sleep issues should consult healthcare providers, as more research is needed to establish its safety and effectiveness for this purpose.

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