Coffman Commentaries on the Bible - Luke 9:32
Now Peter and they that were with him were heavy with sleep: but when they were fully awake, they saw his glory, and the two men that stood with him.This is the evangelist Luke's categorical denial that it was any such thing as a dream, or vision, which the holy apostles saw. Childer's comment that "Peter, James and John slept through a part of the happenings,"[5] is not correct. "When they were fully awake" has the alternate reading, "having remained awake" (English Revised Version (1885)... read more
E.W. Bullinger's Companion Bible Notes - Luke 9:32
with . Greek sun. App-104 . Not the same word as in Luke 9:41 . heavy = oppressed. when they were awake = on fully waking up. Greek diagregoreo. Occurs only here. read more