What are the emphasized Sunnahs that we are commanded to follow from the Messenger of Allah, may Allah's peace and blessings be upon him?

If the question is about voluntary prayers, it is recommended to maintain ten rak'ahs of the Sunnah (supererogatory) prayers: two rak'ahs before Dhuhr and two after it, two after Maghrib, two after 'Isha, and two before Fajr. It is even better if one prays four rak'ahs before Dhuhr. Among the non-Sunnah (non-regular) voluntary prayers, it is recommended to maintain Witr, Tahiyyat al-Masjid (greeting the mosque prayer), Salat al-Kusuf (eclipse prayer), the Eid prayers, Duha (forenoon prayer), and Istikhara (prayer for guidance).