ذُكر عند النبي ﷺ رجلٌ فقيل مازال نائماً حتى أصبح ما قام إلى الصلاة فقال بال الشيطان في أذنه
صحيح البخاري
Someone told the Prophet (SAW) about a man who slept in until morning and did not get up for prayer. And He said: “Satan has urinated in his ear.”
Sahih Al-Bukhari