(471) بَابُ التَّسْلِيمِ عَلَى النَّائِمِ
Al-Miqdad ibn al-Aswad said, "The Prophet, may Allah bless himand grant him peace, used to come at night and would give the greetingin such a way that it would not awaken anyone asleep, but the person whowas awake would hear it."
Reference: Al-Adab Al-Mufrad 1028
In-book reference: Book 42, Hadith 65
English translation: Book 42, Hadith 1028