moths

i had some random thoughts about moths last nite. someone once told me that moths are trying to get to the moon and thats why when there's a lite they can get to the just keep flying into it over and over. whenever i see a moth doing this i wonder if he's just thinking "i made it" bump, "i made it" bump, "i made it" bump, "i made it" bump,... until the light is gone. but last nite i started thinking about it more. if its true (which i doubt) what happens to the moth that lives in a forest or somewhere where the only lite is the moon? does he just keep flying up and up until the air is so thin that he dies or he reaches the atmosphere and is burned up? and if moths like the light so much why are the nocturnal and stay in dark areas? wouldn't they be happier during the day when everything is bright?