I have had trouble with my chickens going in at night they have been in their coop and pen for 3 days and they are 8 weeks old and they do wonderful during the day they love it ........at sunset the freak out they huddle up on the side of the coop in the pen as if they can not find the door so we go out there and get in the pen and put in the coop one at a time and then the are in the coop carrying on all huddle up on the door trying to get in the light from outside on the floor or on the door or walls......dont they know it is time for bed???? do we need to put a light in the coop???? i feel like a bad chicken mom!!!!!!!!!!!!!