The Prophet (Prayers and Peace of Allah be upon him) was asked about the merit of fasting ?Ashura Day, thereupon he said: «It expiates the sins of the preceding year» [Muslim].
«How perfect You are O Allaah, and I praise You. I bear witness that none has the right to be worshipped except You. I seek Your forgiveness and turn to You in repentance» [SaheehAt-Tirmidhi].
Imam Ibn Al-Qayyim, may Allah mercy him, said: ?The moments of inattention and whims are inevitable. However, you should be able to get up quickly because the guards are shouting ?It is almost morning?.?