How many hours does a new born baby sleep

As Idza mentioned, babies sleep up yo 17 hours a day but never a few hours at a time as their tummies are small, so they get hungry fast since breastmilk is quickly digested. Here's the link that help you better understand newborn sleeping patterns. http://www.babycenter.com/0_baby-sleep-basics-birth-to-3-months_7654.bc