four o'clock
All three covered up their heads and were soon asleep . It got real cold in the middle of the night and the gnats became too torpid to move . The boys slept like logs for they were tired . It could not have been more than four o'clock when the cheery voice of Mr. Waterman was heard calling them up . `` Out of your blankets , boys . We 're going all the way to Lac Parent before breakfast and that will take some hiking . '' In a few minutes , the camp was a scene of the greatest activity .