The Effect of Sleep on Memory

Everybody dreams every night. So why is it some people can remember their dreams and some people like me, rarely remember what they're dreaming? Yeah, I think it's actually a good sign to not remember your dream. It means that your whole brain was asleep and doing what it should be doing - processing old memories. But for those who remember their dreams all the time, also I'd say don't worry about it because what it probably means.