If you are writing in third person point of view, you should almost always avoid what’s called “head hopping,” and stick to one character’s perspective at a time.
But that is sometimes easier said than done, especially when you are new to writing.
All of us have head hopped at one point or another, so let’s go over what it is, why it’s a problem, and how to (potentially) get away with it.
Chris The Story Reading Ape's Blog 