Delirious during sleep can be quite embarrassing, especially if you say something that should be secret. Come on, know the causes behind this condition so you can prevent it. Delirious is a common condition. About 66% of people have experienced it. This condition is more common in children (ages 3-10 years). When delirious, you are not aware of what you say, so this condition is usually known from a partner or roommate. Why are some people often delirious? Many think delirium is done when someone dreams. This assumption is apparently not quite right, because delirious can occur at any stage of sleep, from just sleeping to completely sleeping. Even so, the types of delirious can be different. Delirious like normal and reasonable speech can occur when someone hasn't been asleep for a long time. While delirious which contains chaos and murmurs can not occur clearly when someone is asleep (deep sleep). Although the exact cause of delirium is unknown, the following conditions ca...