An oral appliance includes an upper arch, a lower arch, and an electronic device. The upper arch is configured to be positioned within a user's mouth proximate the user's maxillary dentition when the upper arch is positioned in the user's mouth. The lower arch is configured to be positioned proximate the user's mandibular dentition when the lower arch is positioned in the user's mouth. The electronic device is coupled to one or more of the upper arch and the lower arch, the electronic device configured to monitor a feature of the environment proximate one or more of the upper arch and the lower arch.