Does the one who prays Witr early escape the devil’s urine?

Question:
If a person prays Witr after Isha and sleeps until Fajr, does the devil not urinate in his ears?

Answer:
There is no harm, as long as he has prayed what Allah made easy for him.
Q: If he prays Witr before he sleeps?
The Shaykh: Yes, the requirement is fulfilled. He prays what is easy for him. If he wakes up in the last part of the night, he prays two, four, or six.
Q: How does he do it if he has already prayed Witr with one rak'ah?
The Shaykh: The first Witr is sufficient for him. He does not repeat the Witr. The Prophet (peace and blessings be upon him) said: He prays an even number: two, four, six, or eight, and he says the taslim after every two.
Q: Does he make the last one Witr?
The Shaykh: No...
Q: Is the previous Witr sufficient for him?
The Shaykh: Yes.