Is snoring contagious? The contagiousness of bodily functions has baffled the human race for generations. Is yawning contagious? Is sleepiness contagious? Is loud night breathing contagious?! Woah, don’t get overwhelmed. let’s placed one of these questions to the mattress for properly. if you’re quite oblivious, snoring is the extremely stressful, and regularly extremely loud (like ninety decibels loud) noise as a result of vibrations within the breathing device while it will become obstructed throughout