A tunnel incarnates your interior world. For this reason, if you dream of a tunnel in which there is only darkness, it means that you should pay attention to your feelings to get out. Your existential distress is keeping you from seeing the light. If, in the end, you are able to glimpse a flash of clarity, it indicates that you will overcome the obstructions on the way through your strength of will. Your conscience is amplifying your range of action. (See light , black , and bridge )
Gallery of 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.
If you want to go on a diet, you might want to have enough of sleep. The researches show that people who are on a diet and rests well, relatively lost more fat, of about 56% than those who deprived themselves to sleep. When you sleep well, your metabolism also works well, certain hormones will go up in your blood and drive your appetite.