Why did Imam Khomeini not encourage his grandson to perform midnight prayers?

Even on the night before the day of surgery he would recite the Qur'an

der son of Imam Khomeini. The arrest was made to put pressure on Imam. INSTITUTE FOR COMPILATION ...

Spirituality and Worship in the Conduct of Imam Khomeini

He recited his optional midnight prayer very slowly

Different Dimensions of Imam Khomeini's Personality

A personality that managed to throw the 2500 year long effete Pahlavi monarchy into the dustbin of history in light of belief in divinely grace and faith, thus giving a new identity to Islamic society, removing the trauma of self-forgetfulness from their mind and acquainting them with his real