Assalamu alaikum wr.wb.
I received many messages about drink water in empty stomach before brushing mouth, after 15mins finishing brkfst,lunch,dinner don't drink or eat, it is true? At d same time what nabi (pbuh) do? First he starting with liquid or solid food ? Answer me in detail with proof of quran and hadith

Could you clarify what your asking.. I don't exactally understand