This almost always indicates the disproportionate exaggeration of something. A swollen body part, for example, may be the reflection of an illness, but it also manifests that you pay too much attention to what that specific part of the body symbolizes. However, seeing a swollen object signifies the excessive importance you give its meaning. To blow up a ball is a warning that you are taking a certain situation to unsustainable limits.
Gallery of dreams
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.
Do animals dream?
Research conducted by various scientists show that animals do experience dream while sleeping. They also experience similar sleep stages like human beings - REM and Non-REM. If you have noticed a dog sleep, it might sometimes wag its tail, this indicates some response to its dream. A study was conducted in a cat by removing a part of the brain stem, which will not prevent it from reacting to the dream during REM. It was noted in some cats they were aggressively chasing mice as in reality.