Hadith 299
Aishah said about the woman who has a prolonged flow of blood: She should take bath, i. e. only once; then she should perform ablution until he next menstrual period.
Hadith 3767
Narrated Aishah, Ummul Muminin: The Messenger of Allah ﷺ said: When one of you eats, he should mention Allah's name; if he forgets to mention Allah's name at the beginning, he should say: "In the name of Allah at the beginning and at the end of it. "