They should invent some way to tape-record your dreams. I've written songs in my dreams that were Beatles songs. Then I'd wake up and they'd be gone.
You just let your lower self go and then it takes on all these aspects of...
I would go to bed every night and have dreams about having a time machine and...
Even if you walk exactly the same route each time - as with a sonnet - the events along the route cannot be imagined to be the same from day to day as the poet's health sight his anticipations moods fears thoughts cannot be the same.