Published in 1911, these characteristics lasted sixty years until American sleep researcher, Charles Fisher, and his colleagues recognized that they were too broad.
This anxiety of not being able to escape (or catch up) was borrowed from Homer by Virgil in Book XII of the Aeneid, where Turnus is unable to catch up with Aeneas; subsequently the dream is found (always in simile, never reported directly) in Oppian's Halieutica, in Torquato Tasso's Jerusalem Delivered, and in Phineas Fletcher's Locusts and Purple Island, to be "burlesqued" in Samuel Butler's Hudibras.
Other such anxiety dreams are found in the Anglo-Saxon elegy "The Wanderer" and in Arthurian romances such as Wolfram von Eschenbach's Parzival and Sir Gawain and the Green Knight (ll.
Such references are found (cryptically) in Greek authors including the pre-Socratics and Herodotus, and (more explicitly) in Ecclesiastes 5:3 and Ecclesiasticus 34:1-7.
An English translation of a well-known medieval couplet by seventeenth-century poet Abraham Cowley: "What in the day he fears of future woe / At night in dreams, like truth, affrights his mind".
Freud explained, "the child dreamt of exchanging endearments with his mother and of sleeping with her; but all the pleasure was transformed into anxiety, and all the ideational content into its opposite."
At this age anxiety dreams occur because the child's ego can't integrate his or her daily experiences.
Shapiro also explains that the growing ego is easily affected by trauma and conflicts the child may be experiencing.
This is an important factor because the ego-defense mechanisms (e.g. repression and intellectualization) are key in staving off anxiety dreams and nightmares.
If, during this period, the child is subject to disturbing experiences which leave him feeling helpless and unprotected, his anxiety over parental disapproval is exacerbated.
Individuals dealing with distress in their dreams have been found to have general anxiety more often than those who were experiencing real life events that could be equally as stressful.
[8] As doctorandus Herma Reeskamp explains, workshops such as these aim to "help patients change the haunting themes of their nightmares and anxiety-filled dreams".