Saw Wood Meaning

(idiomatic) To snore loudly.

Example: 1998 Jan. 23, Diane Chang, "Monsignor Kekumano is now in heaven," Honolulu Star-Bulletin:
  Monsignor Charles Kekumano, 78, was snoring loudly in his bed. Every so often, he would stop sawing wood—and break into the delightfully mischievous grin that made him so famous.
2009, Elizabeth Haydon, The Dragon's Lair, ISBN 9780765347749, p. 125 (Google preview):
  "You keep all of Mouse Lodge awake sawing wood every night. You're a fine one to complain about someone else snoring."