Objective To evaluate the effectiveness of ear scraping therapy in treating insomnia.Methods The clinical randomized controlled trials of ear scraping therapy for insomnia in CNKI,VIP,Wanfang,SinoMed,the Cochrane Library,PubMed,and Embase were retrieved.The retrieval ti...MORE Objective To evaluate the effectiveness of ear scraping therapy in treating insomnia.Methods The clinical randomized controlled trials of ear scraping therapy for insomnia in CNKI,VIP,Wanfang,SinoMed,the Cochrane Library,PubMed,and Embase were retrieved.The retrieval time was limited from database creation to March 2023....