Trivia: During one take of a fight scene between Dr. Sam Loomis and Michael Myers, Donald Pleasance accidentally broke Don Shanks' nose.
Trivia: As Michael Myers' mask in the original film had been made from a Captain Kirk costume mask, it seems fitting (even if almost certainly coincidental) that in this film Myers resembles Commander Data, the popular character from 'Star Trek: The Next Generation,' which was running on television at the time.
Answer: Don't know about being unconscious, however it's safe to assume the old man who found him kept him there and healed him. With all those bullets he took, no surprise it took a year to recover.
lartaker1975