Hadith 334
'A'isha, the wife of the Apostle (ﷺ) , said: Umm Habiba bin Jahsh who was the spouse of Abdul Rahman bin Auf made a complaint to the Messenger of Allah (ﷺ) about blood (which flows beyond the menstrual period). He said to her: Remain away (from prayer) equal (to the length of time) that your menstruation holds you back. After this, bathe yourself. And she washed herself before every prayer.
Hadith 2803
Ibn 'Abbas reported that the moon was split up during the lifetime of Allah's Messenger (may peace he upon him).