Feeling tired in dreams is often the literal reflection of a situation in real life. It is important to try to remember what the cause was in the dream and then interpret its symbolism. Perhaps, you have not yet noticed the real reason for the excessive fatigue that you suffer.
Gallery of dreams
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.
Reading in dream
Sometimes you will not be able to differentiate lucid dream. If you want to be sure, try reading a simple sentence, if you are able to read then you are in wakeful stage if not you are in lucid dreaming. Studies show that you cannot read while dreaming or you will not find the repeated sentences one more time.