What does it mean when you dream about angels?

It means that Angels are trying to get in contact with you In other Words they want to tell you something it could also mean god wants you to listen to him so he can work his blessing through you.

Likely it means nothing.

If two people were to have the same dream it would very lightly mean two totally different things, dreams are a way for your brain to sort out all the things that happened to you since the time you last slept. Every thing you see, hear, smell and senses through other means in a day would if possible fill up enough books to keep you reading for weeks, the brain needs sleep to sort all this out, that is why sleep deprivation is such a good tool for interrogators and is widely used.