The hadith regarding the times of prayer from Sayyiduna Abu Barzah (may Allah be pleased with him) has been mentioned earlier (see the previous hadith, in which the time of Asr is stated), and in this narration, while mentioning Isha, (Abu Barzah, may Allah be pleased with him) says: "And they used to dislike sleeping before the Isha prayer and talking after it." (And then the entire hadith is narrated.)