Allah, the Exalted, would awaken the Messenger of Allah ﷺ at night. When the dawn came, he would his finish daily round of recital. (Using translation from Abū Dāʾūd 1316)
إِنْ كَانَ رَسُولُ اللهِ ﷺ لَيُوقِظُهُ اللهُ ﷻ بِاللَّيْلِ فَمَا يَجِيءُ السَّحَرُ حَتَّى يَفْرُغَ مِنْ جُزْئِهِ