Sunan Abu Dawud
382
Sahih+3

Ibn 'Umar said:I used to sleep in the mosque in the lifetime of the Messenger of Allah (ﷺ) when I was young and bachelor. The dogs would urinate frequently visit the mosque, and no one would sprinkle over it

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid