The Homo sapiens is the only species which are self conscious allowing them to often times control their bodies, mind and their work through subconscious mind.
You may have sometimes wonder that while you were deliberating on a topic in your mind, you have already finished a work that you were doing in real world.
Does Subconscious Mind Really Exist?
Yes, it really exists. It even an important factor which help you build habits, which tell you which is right or wrong and it also help you make decisions.