مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2567
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that The Prophet (ﷺ) prayed seven (rak'ahs) together and eight (rak'ahs) together.
Musnad Ahmad 2582Its isnad saheeh, al-Bukhari (1174) and Muslim (705)]