We, the Editors and Publisher of the journal Behavioral Sleep Medicine, have retracted the following article:Title: Baduanjin Exercise for Insomnia: A Systematic Review and Meta-AnalysisAuthors: Yun-Han Jiang, Cheng Tan & Shuai YuanDOI: 10.1080/15402002.2017.1363042Since publication, significant concerns have been raised about the appropriateness of references and reported conclusions in the article. As verifying the validity of published work is core to the integrity of the scholarly record, we are therefore retracting the article. The corresponding author listed in this publication has been informed.We have been informed in our decision-making by our policy on publishing ethics and integrity and the COPE guidelines on retractions.The retracted article will remain online to maintain the scholarly record, but it will be digitally watermarked on each page as "Retracted."