Sahih Bukhari 1928

Narrated Zainab: (daughter of Um Salama) that her mother said, While I was (lying) with Allah's Apostle underneath a woolen sheet, I got the menstruation, and then slipped away and put on the clothes (which I used to wear) in menses. He asked, ..

Narrated `Aisha: (At times) in Ramadan the Prophet used to take a bath in the morning not because of a wet dream and would continue his fast. ..

Narrated Abu Bakr bin `Abdur-Rahman: My father and I went to `Aisha and she said, I testify that Allah's Apostle at times used to get up in the morning in a state of Janaba from sexual intercourse, not from a wet dream and then he would fast that..

Then he went to Um Salama and she also narrated a similar thing. ..

Narrated Abu Huraira: The Prophet said, If somebody eats or drinks forgetfully then he should complete his fast, for what he has eaten or drunk, has been given to him by Allah. ..

Narrated Humran: I saw `Uthman performing ablution; he washed his hands thrice, rinsed his mouth and then washed his nose, by putting water in it and then blowing it out, and washed his face thrice, and then washed his right forearm up to the elbow..