Free delivery on orders over 10 for books or over 20 for other categories shipped by amazon. At least one clear nasal airway is essential as breathing through the mouth is effectively blocked by the snore guard. Somni Snore Guard Amazon Co Uk Health Personal Care Customer reviews for somni snore guard for mouth breathers an oral vestibular shield will promote breathing through the nose by effectively blocking the mouth. Somni snore guard uk . The british snoring apnea association has rated the somni snore guard the best low cost anti snoring device. This snore guard is completely unobtrusive and can easily be used in an aeroplane train etc. The somni snore guard is moulded in hot water by the user to a comfortable fit. To help stop snoring. I ve had a cold for the last few days which caused my nose to be blocked when this happens you just spit out the snore guard in your sleep rather than suffocate to death as i was worried might happen. Skip to main content. Publ...