(Imām Bukhārī narrates): Yahya bin Musa narrated to us, he said: Sa'id bin Mansur narrated to us, he said: Fulaih narrated to us from Abdur Rahman bin al-Qasim from his own father from A'ishah, may Allāh be pleased with her, she relates that

the Messenger of Allāh ﷺ used to lead the Fajr prayer while it was still dark, so the believing women would turn back, no one recognizing them because of the darkness, nor did they recognize each other.