Ibn Shawwal (the freed slave of Umm Habiba) reported that he went to Umm Habiba (the wife of Allah's Apostle) who informed him that Allah's Apostle (ﷺ) sent her from Muzdalifa during the night.
Sahih Muslim Book 15, Hadith 328
← Previous Hadith " She (Asma') said: My son, Allah's Apostle (ﷺ) granted permission to women."

Sahih Muslim Book 15, Hadith 327 Next Hadith → We used to set forth from Muzdalifa to Mina, (very early in the dawn) when it was dark. And in the narration of Naqid (the words are):" We set from Muzdalifa in the darkness (of the dawn)."

Sahih Muslim Book 15, Hadith 329