FirstLoveMovies

https://www.imdb.com/title/tt2327714/

Bill Baker, a kind, sensitive and content man, enjoys life's simple pleasures, such as tilling his garden or playing with butterflies. His seemingly fulfilling life is disrupted by Pavornocturnus - a night terror disorder that causes Bill to commit violent acts while asleep. His disorder can only be relieved with a unique, dangerous, and mind-altering technology.