At the end of the procedure a flashing light may be placed nearby to see if this affects your brain activity. Sleep EEG or sleep-deprived EEG. A sleep EEG is carried out while you're asleep. It may be used if a routine EEG doesn't give enough information, or to test for sleep disorders.
This is all I could find on years...Prometheus was originally intended as a direct prequel to the 1979 science fiction horror film Alien, set approximately 30 years before the events depicted in the film. Alien supposedly takes place around 2122. Prometheus had a date of 2093 according to the intro.
1985, W. J. (Willem Jacob) Verdenius, A Commentary on Hesiod: Works and Days, VV. 1-382, E. J. Brill, ISBN 9004074651, page 76 The story of Prometheus provides the introduction to the protreptic part of the poem (the exhortation to work), the story of the world-periods introduces the apotreptic part (the admonition to avoid wrongdoing). 2006, John ...