Oneirophile
A person who is obsessed with nighttime dreams. So much so, that they think about dreaming when they are awake. Someone who has a deep and intimate connection with dreaming. This person is likely to be a lucid dreamer.
Guy 1: Mark NEVER stops talking about dreams!
Guy 2: That is because he is an oneirophile
Guy 2: That is because he is an oneirophile