Exercises involved the tongue, soft palate, and hard palate. They included elevation of the soft palate and uvula for several seconds, pushing the tip of the tongue against the hard palate while sliding the tongue backward, sucking the tongue upward against the hard palate, and pushing the back of the tongue against the floor of the mouth.

via Palate Workout Turns Down Snoring | Medpage Today.

Undoubtedly the strangest set of exercises I’ve attempted.