If dreamed you that you take a shower, then in reality you have desire to facilitate the soul. Perhaps, you are oppressed by not the really good act made by you. Try to correct the made mistake. If in a dream you take a contrast shower, then in real life you are inclined to go into extremes that quite often affects is very deplorable on the course of affairs. The dream for which you feel need to take a shower, foretells emergence of unhealthy desires, and you risk to spend the wealth for doubtful pleasures. The dream in which you are in soul while hot water reaches a limit, means that you risk to appear in a situation when nothing depends on you, however all wait from you for any decision.
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.