Could my 5 year old see this movie and not have horrid nightmares?

Think on it, yeah? A 5 year old, going to see any version at all of "War of the Worlds"?! Or any movie at all featuring scenes of large-scale death and destruction, particularly when dished out by alien monsters? Come on, man...

From IMBD, the US rating is: "Rated PG-13 for frightening sequences of sci-fi violence and disturbing images."

Complete ratings from IMDB: "Australia:M / UK:12A / USA:PG-13 / Ireland:12A / Canada:14A (British Columbia) / Finland:K-15 / Hong Kong:IIA / Singapore:PG / Germany:12 / Canada:14A (Ontario) / Czech Republic:12 / Netherlands:12 / Switzerland:14 (canton of Vaud) / Switzerland:14 (canton of Geneva) / Iceland:14 / Argentina:13 / Philippines:PG-13 / Peru:14 / Canada:13+ (Quebec) / Norway:15 / Chile:TE (+7) / Portugal:M/12 / Brazil:12 / Sweden:11 / Mexico:B"

Graham.