snore 
(snôr)
(snôr)intr.v. snored, snor·ing, snores
To breathe during sleep with harsh, snorting noises caused by vibration of the soft palate.
n.
1. The act or an instance of snoring.
2. The noise so produced.
[Middle English snoren, to snort, from fnoren, from Old English fnora, sneezing; see pneu- in the Appendix of Indo-European roots.]
snorer n.