Sayyidina Anas ibn Malik radiyallahu anhu relates that Rasoolullah sallallahu alaihe wasallam drank water in three breaths (i.e. in three gulps/sips) and used to say, It is more pleasing and satisfying in this manner (DE)
English reference (DE): Book 31, Hadith 201 (DE)
Arabic reference (DE): Book 32, Hadith 210 (DE)