Narrated Anas (rad):

Allah’s Messenger (ﷺ) said about the precept of a woman having ejaculation during sleep like a man, “She should take a Ghusl (bath)”. [Agreed upon]

وَعَنْ أَنَسِ]بْنِ مَالِكٍ] ‏- رضى الله عنه ‏- قَالَ: { قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-‏-فِي اَلْمَرْأَةِ تَرَى فِي مَنَامِهَا مَا يَرَى اَلرَّجُلُ‏- قَالَ:

تَغْتَسِلُ

} مُتَّفَقٌ عَلَيْه ِ [1]‏ .‏