مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2753
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn ‘Abbas (رضي الله عنه) said: The Prophet (ﷺ) said: “No man should lie with another man (under the same cover) and no woman should lie with another woman (under the same cover).”
Musnad Ahmad 2773A saheeh hadeeth]