The most interesting story about the trolls is that they sleep during the day and start doing thing at night
. But once they play so happily and forget to hide themselves before the sun comes out, they will be turned into stones. In the stories, the trolls like to have porridge and it is said that their long noses are used to blend the porridge. So during Christmas the local people will put a bowl of porridge at the door of their houses for the trolls to enjoy their time of Christmas. The trolls are becoming more and more friendly.