Abstract: The present teachings relate to a device and a method for treating a subject, wherein an actuator is configured for external mechanical contact with the subject, wherein a control unit is configured to control the actuator to provide at least one burst of a primary vibration, and wherein the primary vibration has one or several frequencies, or a frequency varying, within an operative frequency range contained in a range from 5 Hz to 1000 Hz, in order for the device to generate a shear wave which propagates inside the body of the subject. In addition, the present teachings relate to use of a device of the present teachings to treat a breathing-related sleep disorder, including snoring, OSA, UARS, or OHS.