Answer:
Post-traumatic stress disorder:
- Being easily startled or frightened.
- Trouble sleeping
Schizophrenia:
Major Depressive Disorder:
- Feelings of sadness, tearfulness, emptiness, or hopelessness
- Angry outbursts, irritability or frustration, even over small matters.
Bipolar Disorder:
- Feeling overjoyed
- Feeling very energetic and unusually irritable.
