The Nafilah of Isha Prayer
Question :

How many Rak'as is the recommended (Nafilah) prayer for Isha? Does it make a difference if we pray sitting or standing? I heard that two Rak'as sitting is equal to one Rak'ah standing.

Answer :

It is a two-Rak'ah prayer, to be offered sitting.

Daily Prayer
Question :

I would like to know how to pray Wittar of Isha Prayer.

Answer :

There is a prayer called al-Wutayra that is offered after the Isha prayers. It is of two units offered in the sitting position.