A graphical user interface is used to provide training to conduct vocal exercises and provide feedback in order to reduce snoring and/or obstructive sleep apnea. The vocal exercises are associated with, for example, strength, coordination, and endurance for muscles and nerve control associated with sleep apnea or snoring. This summary is not intended to describe each embodiment or every implementation of the subject matter hereof. The figures and the detailed description more particularly exemplify various embodiments.
