Hadith.1386 - Zakariyya al-Naqqad reported from Imam Muhammad ibn Ali Al-Baqir عليه السلام regarding the words of Allah سبحانه وتعالى, the Mighty and Majestic:
"Do not approach prayer while you are intoxicated until you know what you are saying" (Surah An-Nisa 4:43).
Imam عليه السلام said: "This includes the intoxication of sleep."