Dream Transportation – The ability to enter a dream dimension. This dream dimension is ontologically “real”.
Zhuangzi had a Butterfly Dream in which he dreamed he was a butterfly and then wondered if he was a man that dreamed he was a butterfly or a butterfly dreaming he is a man.
In Mystic V2 #43 (Atlas), A destitute old man turns out to be a handsome hero in a dream reality.
Nightmask V1 #2
Raspor (DC) can uses his nightmare vision to send his girlfriend Viperie to the nightmare dimension in order to marry Supergirl in Action Comics V1 #338.