Sayyiduna Jabir (may Allah be pleased with him) says that the Messenger of Allah (peace and blessings be upon him) said: "The prayer with long standing is the most virtuous."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4685
Sayyiduna Jabir (may Allah be pleased with him) says that a man asked the Prophet (peace and blessings be upon him): Which prayer is most virtuous? He (peace and blessings be upon him) said: "The one with long standing."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4686
Al-A'mash (may Allah have mercy on him) also mentioned the hadith in the same way, but in it is: He was asked.
(b) From Sayyiduna Hudhayfah (may Allah be pleased with him) is reported the hadith about the night prayer of the Prophet (peace and blessings be upon him) and his reciting Surah al-Baqarah, Surah Al Imran and Surah al-Nisa' in a single rak'ah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4687