The present invention relates to an intraoral device (1) comprising upper cooperating means (2) adapted to cooperate with the upper jaw (4) and lower cooperating means (3) adapted to cooperate with the lower jaw (5), characterized in that the device (1) comprises a bracket (19) fixed in the cooperating means (2, 3), said bracket (19) supports a target (18) aiming at inducing mandibular advancement and attracting the tip of the tongue said target (18) being centered, in a transverse plane, with regard to the cooperating means (2,3) said device (1) further comprises stimulating means (17) for stimulation of the tongue muscles, preferably the genioglossus, involving reflex exploration of said stimulating means (17) by the tongue. The device (1) of the invention may be used for relieving obstructive sleep apnea syndrome, snoring and/or other airway disorders.
