Mishkat al-Masabih
Zaid b. Aslam reported God’s Messenger as saying, “If any of you oversleeps and misses his witr, he should observe it in the morning.” Tirmidhi transmitted it in mursal form.
وَعَنْ زَيْدِ بْنِ أَسْلَمَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنْ نَامَ عَنْ وَتْرِهِ فَلْيُصَلِّ إِذَا أَصْبَحَ» . رَوَاهُ التِّرْمِذِيُّ مُرْسلا
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