Waiting in a line has several interpretations. On one hand, it is a sign of impatience. On the other, it indicates the discomfort of being in a group of anonymous people without standing out in it. In that case, the dream reflects your desire to differentiate yourself from the rest. This can be interpreted as either an inferiority complex, or as a desire to excel.
Gallery of dreams
Sleeping can help with the overall well-being than avoiding irritability. A lack of sleep can easily contribute to depression, but having a good one could easily change your mood or alleviate your anxiety. With a good night's sleep, you'll surely have emotional stability and balance.
In most kids, lack of sleep can surely result to ADHD (Attention Deficit Hyperactivity Disorder), which is the opposite with the adults. Children between 7 and 10 who gets less than 8-hours of sleep every night will likely to become inattentive, impulsive and hyperactive. Their sleeping patterns can easily affect their brain.