Many simple ideas have been the greatest. Many people have some really good ideas for great new products, but most of them never do anything about it. Following through is the difference between a successful inventor and a dreamer. There is nothing wrong with dreaming. In fact, it can often be the starting point.
Some people daydream terrific ideas.
Others actually dream great ideas while they are sleeping. Our terrific idea came in a real dream. Inspiration can come at any time and in many ways. Be open to it. Tell only those friends that you trust completely.