Can auricular acupuncture really work for insomnia?

Auricular acupuncture (AA) is a therapeutic method by which specific points on the auricle are stimulated to treat various conditions. AA is often recommended as treatment for insomnia.Korea research released new conclusion is: because of the paucity and of the poor quality of the data, the evidence for the effectiveness of AA for the symptomatic treatment of insomnia is limited. Further, rigorously designed trials are warranted to confirm these results.

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reference:Int J Clin Pract. 2008 Aug 25

Another research:current evidence is not sufficiently extensive or rigorous to support the use of any form of acupuncture for the treatment of insomnia