It may be a manifestation of a physical ear ailment. Otherwise, it is a warning from the unconscious that indicates a negative attitude toward people around you. It is also interpreted as a symbol of isolation. It portrays the inability to communicate in a healthy way with others.
Have you ever remembered your last dream? Were they colorful? Yes. Most of the dreams will be colorful as experienced in reality. Very few people visualize dreams in black and white. A study was conducted where the individual was given a color chart and asked to match colors that they dreamt. Most of them chose light colors while very few choose only black and white. It was very clear from this study that most of them have colorful dreams.
One of the reasons why people always get involved in road accidents is that, they are tired while driving, or that they lack sleep. Many people do not realize that their performance can be highly affected by having not enough sleep. Sleep deprivation can affect reaction as well as decision making, not to mention that it could make a person unable to drive well. It goes the same with drunk driving.