Dreams are important because they give you vision, provide direction for your life and something to work toward. Hellen Keller, who was blind and deaf, said, "The most pathetic person in the world is the person who has sight, but no vision." This's very true. If you don't have a dream or goal, you have nothing to look forward to. So, imagine where you want to be in the next week, month, year, and five years, and make this your "vision".
Dreams help you create a big picture for your life. You don't have to accept your "fate" or "destiny." Instead, you can create it. To do this, create a big picture for your life via your dreams and aspirations. Have a picture of where you'll be physically, financially, mentally, emotionally, and even spiritually within a certain amount of time. This will keep you focused on these aspirations and keep you from wandering aimlessly through life, asking yourself what you have to show for it. Make your life's big picture as challenging as you can handle. Make it purposeful and clear, so your mind has something to grasp and work toward.
Another reason why dreams are important is because they create possibilities you may not consciously consider. That is, you're not afraid to dream, because you know it's "just a dream." However, subconsciously, your mind believes your dreams. So, if you let them, these possibilities will take root in your subconscious mind and eventually manifest themselves. This is when and how dreams become realities.
Here are some people who have dreams and may their dreams come true
Susan Boyle (47 years old)