I have 2 choc labradors aged 5 months and 11 months. They are both well behaved and will let you know when they need to pay a visit. The youngest even pulls to the gutter when out for a walk. The problem I have is at night, I am not able to stop them doing their business in the house. Each morning they wake the family up at between 5-6am and we come down stairs to at least 2/4 wee's and poos. They go out last thing at night but I don't know what to do to stop this - can anyone help