question #3 Sahih al-Bukhari 6121, Book 78, Hadith 148 : What does this narration imply about the importance of cleanliness and ritual purity in Islam?

Um Sulaim came to Allah’s Messenger (ﷺ) and said, “O Allah’s Messenger (ﷺ)! Verily, Allah does not feel shy to
tell the truth. If a woman gets a nocturnal sexual discharge (has a wet dream), is it essential for her to
take a bath? He replied, “Yes if she notices a discharge.”