Hello & Welcome, Exmoi.
Those are truly frightening nightmares, and their accompanying the onset of depression may have its significance. Does the medical system where you live offer you the possibility of talking to a therapist about what you've written here?
In any case, please make yourself at home on these forums.
Also consider visiting:
Sleep Issues & Dream Interpretation
Adult Children of Alcoholics
Survivors of Abuse
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My dog

mastered the "fetch" command. He would communicate he wanted something, and I would fetch it.