The Messenger of Allah (ﷺ) would pray at night while I lay by his side during my menstrual period. A sheet of cloth would be partly on me and partly on him.
Sunan Abi Dawud Book 1, Hadith 370
← Previous Hadith The Prophet (ﷺ) prayed on a sheet of cloth put on by one of his wives who was menstruating. He was praying while (a part of) it was upon him.

Sunan Abi Dawud Book 1, Hadith 369 Next Hadith → He witnessed me rubbing off the semen from the clothe of the Messenger of Allah (ﷺ).

Abu Dawud said: Al-A'mash narrated it as narrated by al-Hakam.

Sunan Abi Dawud Book 1, Hadith 371