It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the prayers which the Prophet (peace and blessings be upon him) never used to abandon were: two rak‘ahs before the Zuhr prayer and two rak‘ahs after it, two rak‘ahs after Maghrib, two rak‘ahs after ‘Isha, and two rak‘ahs before the Fajr prayer.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 5127
Hadith Gradingحکم دارالسلام:حديث صحيح ، م : 1180 ، وهذا إسناد حسن .