The film was originally titled "50 First Kisses", but this was changed to avoid confusion with Never...Read more Been Kissed, another film with Drew Barrymore.
The neurological condition that Lucy suffers from, Goldfield Syndrome, is entirely fictional. True...Read more anterograde amnesia affects either short-term memory, which can last minutes or seconds, or intermediate-term memory, which can last days or weeks. Falling asleep has nothing to do with the condition, and sleep actually intensifies many chemical effects which help memory.