Saw logs (5)
I believe the answer is:
snore
'saw logs' is the definition.
(synonyms)
This is all the clue.
(Other definitions for snore that I've seen before include "Noise made while asleep" , "How to keep someone awake while sleeping?" , "Make raucous nasal sound during sleep" , "Grunting sound" , "Raucous sound while sleeping" .)