‏الصلاة : Hadeeth No:811 Abu Huraira reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said: SayAmin when the Imam says Amin, for it anyone's utterance of Amin synchronises with that of the angels, he will be forgiven his past sins....

‏الحيض : Hadeeth No:623 'A'isha reported: When the Messenger of Allaah (sallAllaahu alayhi wa sallam) took a bath because of sexual intercourse, he called for a vessel and took a handful of water from it and first (washed) the right side of his head, then left, and then took a handful (of water) and poured it on his head....