How many sunnah do you do after each prayer and do you do sunnah for every prayer before and after?
Dhuhr: 4 rakat Sunnah, 4 rakat fard, 2 rakat sunnah and 2 rakat nafl
Asr: 4 rakat sunnah, 4 rakat fard
Maghrib: 3 rakat fard, 2 rakat sunnah, 2 rakat nafl
Esha: 4 rakat sunnah, 4 rakat fard, 2 rakat sunnah, 2 rakat nafl, 3 rakat witr
reading sunnah prayer is highly recommended for all namaz
For Fajr,: 2 Rakah
Dhuhr: 4 Rakah
Maghrib: 2 Rakah
Isha: 4 Rakah
And in Midnight, The Tahajjud Salah, its Voluntary,but Prophet Muhammed performed it regularly, and Prophet Muhammed S.A.W encouraged also his companions to offer it,
Surah Al Israa, 17:79
And from [part of] the night, pray with it as additional [worship] for you; it is expected that your Lord will resurrect you to a praised station.