Spend the time in the room with few lights with the dog, or put a dark curtain in the room where it usually finds the shadows and reflections to chase. (practical-pet-care.com)
Take them out to do their business, turning on as few lights as possible, and put them back to bed. (blueskyfoundationforanimals.org)
Since they have fewer lights inside, edge - lit LED models are cheaper compared to full - array models. (howtogeek.com)