The sunnan prayers (sunnah just before and/or following fardh prayers and nawafil prayers) complement any shortcomings within our compulsory prayers. A different likelihood is that there are 4 separate realms from the blessed, of which both Firdaws or Eden will be the uppermost. This is predicated on Surah fifty five, https://fernandokmnjg.ivasdesign.com/52528654/about-jannah-firdaus