[Machine] I heard my aunt, who had performed Hajj with the Messenger of Allah ﷺ , say that the Messenger of Allah ﷺ said, "Indeed, Bilal gives the call to prayer at night, so keep eating and drinking until Bilal or Ibn Umm Maktum gives the call to prayer." And he used to raise his voice for this (the adhan) and lower it for that (the iqamah), so we would hold onto him just as you are until we eat our pre-dawn meal.
سَمِعْتُ عَمَّتِي وَكَانَتْ قَدْ حَجَّتْ مَعَ رَسُولِ اللهِ ﷺ قَالَتْ قَالَ رَسُولُ اللهِ ﷺ «إِنَّ بِلَالًا يُؤَذِّنُ بِلَيْلٍ فَكُلُوا وَاشْرَبُوا حَتَّى يُؤَذِّنَ بِلَالٌ أَوِ ابْنُ أُمِّ مَكْتُومٍ» وَكَانَ يَصْعَدُ هَذَا وَيُنَزِّلُ هَذَا فَكُنَّا نَتَعَلَّقُ بِهِ كَمَا أَنْتَ حَتَّى نَتَسَحَّرَ