Three years back a woman suffered during an earthquake and she was successfully saved. After recovery, she has nightmares about the episode and she also gets up in the night and feels terrified. The most probable diagnosis is -
Similar to previous question, nightmares about the episode (intrusion of thoughts about event) after a life threatening event (earthquake) suggest the diagnosis of PTSD.
Major depression
Post-traumatic stress disorder
Mania
Schizophrenia