A similar entry appears in the Wheel of Time Companion confirming the information available in the main story arc.
Author: Atarah al'Norahn
One night, he got drunk and spent the night on the roof of the local inn.
One of the farmers who gives Rand and Mat a ride on their way to Caemlyn tells them that a crazy man in at the inn in Market Sheran is claiming that there are Darkfriends there. The farmer laughs so hard he cries as he tells this to Rand and Mat, saying that it's the best story he has heard since Ackley Farren got drunk.
(Reference: The Eye of the World, Chapter 33)