"The Prophet would dislike to sleep before Isha and to talk after it."
Jami` at-Tirmidhi Book 2, Hadith 20
← Previous Hadith Allah's Messenger said: "If it were not that it would be a hardship on my Ummah, then I would have ordered you to delay Isha until the third of the night, or its half."

Jami` at-Tirmidhi Book 2, Hadith 19 Next Hadith → "Allah's Messenger would talk during the night with Abu Bakr about matters concerning the Muslims while I was with them."

Jami` at-Tirmidhi Book 2, Hadith 21