the vividness of a dream indicates its time-tense
the time-tense of a dream is placed between 1 and 5
2.5 to 3.5 is the near future of future, present and past undulations
3.1 to 5 is the near to far future of future, past and present undulations
1 to 2.4 is the near to far past, of present, past and future undulations
