This dream suggests that the dreamer is losing control.
In a decapitation there is a dramatic and violent separation of the head from the body.
Under normal circumstances the mind controls and directs the body.
This dream suggests that the dreamer may be under the control of his bodily drives and may be separated from rational thoughts and feelings.
Disassociation may be occurring in regard to some behavior or issue in life. However, this dream may have other meanings.
This includes excessive concern about punishment and indicates that there may be severe pressure and anxiety in the dreamer’s life.