The Morning and Evening Remembrances, are a group of Remembrances that were received from the Prophet Muhammad, the call to mention them every morning and evening. It was reported from Muslim scholars that it is desirable and a Sunnah of the Prophet Muhammad. The Sunnah is to recite the morning remembrances before sunrise and the evening remembrances before sunset.
God said:
(So remember Me, I will remind you, and be grateful to Me, and do not disbelieve)
Among these remembrances are: the morning and evening remembrances, the remembrances of sleep, the remembrances of waking up from sleep, the supplication of istikharah.