An abortion (your own or someone else's) signifies that the situation that is worrying you will not end happily the way you are approaching it. It is advisable, then, to change tactic, to build new projects on stronger foundations, and to plan again without trusting appearances. No wonder abortion is a synonym for failed plans.
It indicates liberation, the end of a penance, troubles that will no longer weigh on the dreamer.
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.
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.