This question already has an answer here:
I have tried to find the answer to this question by searching the books and was unable to find anything in the regular rules.
Attempting to search here only threw up similar questions relating to older versions of the game (1e) or pathfinder, so how does it work for 5e?
Is the damage negated by falling into water, if you were to fall from a great height, for example 800 ft? Or, is it reduced like resistance?