Typically the very best (convex) side won't even get wet. I realize that floating the bridge concave aspect down for an hour or so typically straightens it, but I commonly clamp it to some flat surface to dry overnight. Many clinical devices are available that will help address sleep apnea. https://buynembutalonlineuk40493.azzablog.com/33373264/new-step-by-step-map-for-anti-snore