Keeping up offering the optional late night Prayer in congregation

Q 2: Is it a Sunnah (an act reported from the Prophet) to keep up offering Qiyam-ul-Layl (optional Prayer at night) in congregation with my wife at home? A: It is not permissible to keep up offering a supererogatory Salah (Prayer) in congregation, except for the Tarawih (special supererogatory night Prayer in Ramadan). (Part No. 6; Page No. 102

A: It is not permissible to keep up offering a supererogatory Salah (Prayer) in congregation, except for the Tarawih (special supererogatory night Prayer in Ramadan). (Part No. 6; Page No. 102) For other supererogatory Salah, it is permissible to offer them in congregation sometimes but not all the times.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.