Hadithcore
Mishkat al-Masabih, 1189

She said, “When the Prophet (ﷺ) prayed the two <i>rak'as</i> of the dawn prayer, he would talk to me if I was awake, otherwise he would lie down.” Muslim transmitted it.

وَعَنْهَا قَالَتْ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا صَلَّى رَكْعَتَيِ الْفَجْرِ فَإِنْ كُنْتُ مستيقظة حَدثنِي وَإِلَّا اضْطجع. رَوَاهُ مُسلم

References1 variant
In-Book Reference
Book 4, Hadith 605