1.

A general sense of dreariness

2.

A lack of energy, even though there is no physical correlation

3.

Chronic sleep problems and irritability

4.

A loss of interest in normal human functions, such as, sexual activity, eating, etc.

5.

A loss of interest in activities, which once were desirable and brought pleasure

6.

A feeling of rejection and hatred

7.

Excessive sleep and an inability to do anything but sleep