An anti-snoring and sleep apnea device is disclosed in which the device comprises an upper tray structure adapted for receiving upper teeth of a mouth of an individual, a lower tray structure adapted for receiving lower teeth of the mouth of the individual, a first Herbst mechanism connected to the upper tray structure and the lower tray structure, and a second Herbst mechanism connected to the upper tray structure and the lower tray structure, the first and second Herbst mechanisms for adjusting the position of the lower tray structure relative to the upper tray structure.