This is in regard to a male GSD about to turn a year old. Right now his behavior is a challenge but I believe on par with what a puppy would do. As of recent we have been slowly allowing the male to sleep outside of his crate in bed with us and our 11 year old female GSD. We have had instances in the middle of the night, mainly when I am at work and the wife is home with the 2 dogs alone where he will begin chewing on items around the bedroom. This week he drug an air mattress out from under the bed ripping it, and now chewed the cord off of a humidifier. There are literally at any given time at least 2 kongs, 5 balls, 3 beef femur bones, and other things he knows are OK to chew on. He also has began to chew his kennel mat in his kennel, so that has been removed. During the day he has the run of an acre fenced in back yard. I think the food we are feeding him and her is a quality food, they get treats, I'm kind of at a loss. Both dogs as of recent have taken a liking to some top soil I put down in the back yard to try to grow grass, so I can understand them eating some of that. His behavior with me is OK, I find it hard to keep him occupied even with another dog in the house, but some of the antics he does when my wife is with him, don't occur when I am around. I'm just a little concerned about this midnight chewing on things he seemingly knows are not his to chew.
Any ideas I would appreciate.