Prophets SAW'S prayers.

Drinking Zam Zam water
Recite:
اللَّهُمَّ إِنِّي أَسْأَلُكَ عِلْمَاً نَافِعَاًً وَرِزْقَاً وَاسِعَاًَ وَشِفَاءً مِنْ كُلِّ دَاءٍ
"O Allah, I seek beneficial knowledge, wide sustenance and cure from all ailments from You".

(Hisnul Hasin)