Hadith 443 - The Book of Ghusl and Tayammum - Sunan An-Nasa'i - سنن النسائي - Collection of Actions, Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم) - Kutub as-Sittah

4. The Book of Ghusl and Tayammum - كتاب الغسل والتيمم

29) Chapter: The Command To Perform Wudu' After Sleeping

It was narrated from Anas that the Messenger of Allah (ﷺ) said: "If anyone of you feels drowsy during his Salah, let him go and take a nap."

Reference: 443
English reference: Vol. 1, Book 4, Hadith 444
In-book reference: Book 4, Hadith 48
Grade: Sahih (Darussalam)
Read this hadith from Darussalam Collection

29) باب الأَمْرِ بِالْوُضُوءِ مِنَ النَّوْمِ

أَخْبَرَنَا يَعْقُوبُ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الرَّحْمَنِ الطُّفَاوِيُّ، قَالَ حَدَّثَنَا أَيُّوبُ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏‏ ‏.‏ "‏ إِذَا نَعَسَ أَحَدُكُمْ فِي صَلاَتِهِ فَلْيَنْصَرِفْ وَلْيَرْقُدْ ‏"