The soft palate is one of the areas that vibrate and many people experience a sore palate and sort throat after a night of snoring. There are a number of reasons why it may occur. Snoring is linked to alcohol consumption, nasal congestion, a deviated septum, obstructive sleep apnea and obesity.
https://www.healthhype.com/sore-palate-roof-of-the-mouth-pain-causes.html

