And, behold, there talked with him two men, which were Moses and Elias; literally, there were talking. Evidently these two glorified beings had been conversing with Jesus some time before the three apostles, heavy with sleep, had noticed their presence; wearied and tired, slumber had overtaken them; we are not told how long they slept.
The glorious light which environed them and the murmur of voices probably roused them, and in after-days they recounted what, after they were awake, they saw, and something of what they heard.