All the pests in your home are running around due to extreme discomfort, which may cause you to see more pests. Don't worry, this is a precursor to their departure from your home. Week 2 The nervous system of most pests is damaged, and they have to choose to escape. You will find that many pests have disappeared from your home. Week 3-4 large pests like mice have suffered sufficient damage and stimulation, and after that, no pests can be seen in the home.