The Sleep Guardian is an anti-snoring mouth guard that uses Silensor-sl® technology proven to prevent snoring. The Silensor-sl® is a custom-made Mandibular Advancement Device (MAD) which according to studies is almost 3 times more effective at treating snoring than ready-made, over-the-counter devices. The way the Silensor-sl® anti-snoring device works, is by gently advancing the lower jaw and opening up the airways while you sleep. This decreases the vibration of the tissues...