in a state of sleeping

unconscious

an idea, plan etc that is formed in the mind

understanding; idea

showing idealism; believing in, based on, the idea that perfect standards are possible (and so often impractical)

visionary

generous, unselfish, imaginative, in a way that disregards one's own welfare

idealistic

so deep in thought, so carried away by feelings, that one is unaware of other things

absorbed, fascinated

(an instance, occasion, of) a condition of being lost in dreamy, pleasant thoughts

daydream

used in compound words e.g. sleeping-bag, sleeping-car etc

dormant

existing only in the imagination and unlikely to happen; (of a person) having grand (and often impossible)

idealized, romantic

sad and wishing for something; having, showing disappointment

daydreaming, longing