When at sleep respiration causes vibration of respiratory structures with obstruction of air movement and the resultant sound is known as Snoring . Snoring sound is a social issue especially when the sound is loud and unpleasant. why worry about Snoring ? yes, it's a concern when it's associated with the Breath holding spell know as Apnea . Snoring associated with the Breath holding spell is known as Obstructive sleep apnea (OSA) .OSA can lead to a lot of medical issues .The structures involved are the Nose , Nasopharynx , uvula and soft palate , base tongue & larynx .