Hadith.1386 - Zakariyya al-Naqqad reported from Imam Muhammad ibn Ali Al-Baqir (as) regarding the words of Allah (swt), 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 (as) said
"This includes the intoxication of sleep."