Hudhayfah reported: I prayed one night with the Prophet, peace and blessings be upon him, and he recited in a relaxed manner. If he passed by a verse glorifying Allah, he would glorify Him. If he passed by a verse of petition, he would ask Him. If he passed by a verse of refuge, he would seek refuge in Him.
Source: Ṣaḥīḥ Muslim 772
Grade: Sahih (authentic) according to Muslim
عَنْ حُذَيْفَةَ قَالَ صَلَّيْتُ مَعَ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ ذَاتَ لَيْلَةٍ فَقَرَأَهَا يَقْرَأُ مُتَرَسِّلًا إِذَا مَرَّ بِآيَةٍ فِيهَا تَسْبِيحٌ سَبَّحَ وَإِذَا مَرَّ بِسُؤَالٍ سَأَلَ وَإِذَا مَرَّ بِتَعَوُّذٍ تَعَوَّذَ
772 صحيح مسلم كتاب صلاة المسافرين وقصرها باب استحباب تطويل القراءة في صلاة الليل