Whoever stands in prayer during Ramadan out of faith and seeking reward, his previous sins will be forgiven

The Shaykh : Likewise, regarding the one who stands in prayer during Ramadan out of faith and seeking reward, what is standing in prayer during Ramadan? Is it the prayers in which we lengthen the recitation, bowing, and prostration, or does it include the tarawih? The answer is the second: the tarawih that we pray in the first twenty nights of Ramadan are part of standing in prayer during Ramadan. The Prophet (peace and blessings be upon him and his family) stood in prayer with his Companions for three nights in Ramadan, then he left off the prayer and said: meaning, it would be burdensome for you. So the Prophet (peace and blessings be upon him) prescribed standing in prayer during Ramadan in congregation for his Ummah, but he left it off out of fear that it would become obligatory. Since the tarawih that we pray are part of standing in prayer during Ramadan, we observe now that we do not stand for the whole night in tarawih. How long do we stand?
The student: An hour and a half.

The Shaykh : How long do we stand? An hour and a half, and at most two hours. Yes. Is this standing for the whole night? The answer is yes, it is standing for the whole night, because the Prophet (peace and blessings be upon him and his family) prayed with his Companions and then left, and they said: The meaning of "grant us" is "give us more" until the dawn appeared. Then the Prophet (peace and blessings be upon him and his family) said: O Allah, to You is praise, standing for a night while you are sleeping. Yes, standing for a night while you are sleeping. And by this we know that it is recommended for a person to strive not to leave the tarawih prayer until the imam leaves, so that standing for a night is recorded for him. And by this we also know.