Abdullah bin Masud reported,

The Messenger of Allah ﷺ used to sleep on his back until he snored, then he would get up and pray without performing ablution.

Azami 1659

Sahih

عن عبد الله بن مسعود

أن رسول الله ﷺ كان ينام مستلقيا حتى ينفخ، ثم يقوم فيصلي ولا يتوضأ.

الأعظمي 1659صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Wudu
Section
Sleep is not a hadath but rather a possible cause of hadath
Numbering
Jami al-Kamil 1659 (2nd edition)
Azami 1659