مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2082
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas that the Prophet (ﷺ) slept until he breathed deeply, then he got up and prayed and did not do wudoo.
Musnad Ahmad 2084See the previous report]