Abstract: The invention relates to a device for positioning the tongue for the treatment of disorders including snoring and obstructive sleep apnoea (OSA) and OSA Syndrome, comprising an anchoring body (10) and means (13, 14, 15, 16, 17, 18) for retracting the tongue, said means being connected to said anchoring body. The tongue retracting means comprises at least two elongated arms arranged on a respective side of said anchoring body, and extending along different sides of the midline of the tongue. There is also provided a method of preventing Obstructive Sleep Apnea (OSA), comprising attaching tongue retracting means to permanently attached members in the tongue of a patient suffering from OSA at positions posterior of the tongue tip (apex), preferably to the corpus lingua and/or tongue root (radix lingua), said retracting means being anchored to structures in the mouth such as the jaws or teeth, whereby the tongue is directly held in a forward position.