Some Ans. Questions 1908 by -'Abdu'l-Bahá- 1 Para

The other manifestation of the powers and actions of the spirit is without instruments and organs. For example, in the state of sleep without eyes it sees; without an ear it hears; without a tongue it speaks; without feet it runs. Briefly, these actions are beyond the means of instruments and organs. How often it happens that it sees a dream in the world of sleep, and its signification becomes apparent two years afterward in corresponding events. In the same way, how many times it happens that a question which one cannot solve in the world of wakefulness is solved in the world of dreams. In wakefulness the eye sees only for a short distance, but in dreams he who is in the East sees the West. Awake he sees the present; in sleep he sees the future. In wakefulness, by means of rapid transit, at the most he can travel only twenty farsakhs an hour; in sleep, in the twinkling of an eye, he traverses the East and West. For the spirit travels in two different ways: without means, which is spiritual traveling; and with means, which is material traveling: as birds which fly, and those which are carried (227:2)

End of Quote

  Some Ans. Questions 1908
  Citation Source List
: see