The source separately recommends:
• 4 rak'ahs before Asr.
• 4 rak'ahs before Isha.
• 4 rak'ahs after Isha.
• 6 rak'ahs after Maghrib.
These are recommended voluntary prayers, but they are not in the same emphasized category as the Sunnahs listed above.
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Emphasized Sunnahs and Other Voluntary Prayers
The source separately recommends:
• 4 rak'ahs before Asr.
• 4 rak'ahs before Isha.
• 4 rak'ahs after Isha.
• 6 rak'ahs after Maghrib.
These are recommended voluntary prayers, but they are not in the same emphasized category as the Sunnahs listed above.