Drequel

A Drequel is a person's dream that is a sequel to, or continuation of, one of their previous dreams.

Can also be spelled "dreaquel".

Person 1: Hey Bro, remember how I had that dream where I went to the mushroom kingdom and met the Mario brothers? Well, last night I had another dream where we saved the princess and ate spaghetti.
Person 2: Wow, thats a drequel right there!