THE MOST COMMON NIGHTMARES

The nightmare is a dream that can cause a restless feeling of chest tightness and difficulty for breathing. 
Can be caused for the stressful situations that we suffer during all the day. 
Also for drugs, psychological trauma and psychiatric problems. But they are often a reflection a delicate situation that we don't want to face us. By not face us them this produces emotional stress that can lead to a nightmare.

These are some examples:

When you dream that a person or animal is chasing you and you don't get ahead of it or you canot  escape it. 
According to experts these nightmares are common when we feel panic to a situation or an individual  and  we don't want to face us

If you dream of a loved one's death it is because it is important for you and you want to stay with him or her for as long as possible. If what you dream about is your death, they really symbolize that you are or want to make important changes in your life and it does not have to be about something negative

You are in danger and you can not even call for help or move to escape. The subconscious could reveal in this case that in real life we have difficulties expressing emotions or feelings.

Falling into the Abyss: On the one hand it may reveal that we feel that we are losing control of our life and that we are afraid to fail. Also that you consider that you have too many responsibilities and you need to move away from them.