سُنَنُ النَّسَائِيِّ
Sunan an-Nasa’i 5234
The Book of Adornment
Wearing One's Hair Long
أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ، قَالَ أَنْبَأَنَا إِسْمَاعِيلُ، عَنْ حُمَيْدٍ، عَنْ أَنَسٍ، قَالَ كَانَ شَعْرُ النَّبِيِّ صلى الله عليه وسلم إِلَى نِصْفِ أُذُنَيْهِ .
It was narrated from Anas that: The hair of the Prophet (ﷺ) [ﷺ] came halfway down his ears.
Sunan an-Nasa'i, 5234Sahih (Darussalam)