‏الحيض : Hadeeth No:601 Ibn 'Umar said: 'Umar asked the verdict of the Shari'ah from the Prophet (sallAllaahu alayhi wa sallam) thus: Is it permissible for any one of us to sleep in a state of impurity? He (the Prophet said: Yes, he must perform ablution and then sleep and take a bath when he desires....

‏الحيض : Hadeeth No:679 Abu Sa'id al-Khudri reported: The Prophet of Allaah (sallAllaahu alayhi wa sallam) observed: Bathing is obligatory in case of seminal emission....