Dreams that talk about the madness of the protagonist are not very frequent. If this occurs, it may be an unconscious warning about your inappropriate behavior. The cause is surely the desire to stand out or be different than others, tired of the daily grind. On the other hand, dreaming that someone else is not sane reveals a serious concern. It may manifest a dangerous situation related to your finances or your family that has you very worried. This dream also warns you to care for your health. If we dream that we chance upon a lunatic, good fortune is assured. According to some oracles, it predicts that we meet someone who will positively influence our lives and make us prosper.
Do animals dream?
Research conducted by various scientists show that animals do experience dream while sleeping. They also experience similar sleep stages like human beings - REM and Non-REM. If you have noticed a dog sleep, it might sometimes wag its tail, this indicates some response to its dream. A study was conducted in a cat by removing a part of the brain stem, which will not prevent it from reacting to the dream during REM. It was noted in some cats they were aggressively chasing mice as in reality.
What is a dream?
Dream is defined as a series of thoughts in the form of images that occurs in one's mind during sleep. It is a natural process that everybody undergoes in his life. Researches have found that people dream several times a night, each of the dreams lasting about 20 minutes. It is also found that a man spends 6 years of his life in dreaming.