One or several of the symptoms listed below is usually present in depression. The severity and constancy of the signs make the illness diagnosable as depression. Often other people recognise depression before the person suffering. 

• Constant tiredness 

• Wanting to be in bed for long periods. 

• Long period of sleep or poor sleep. 

• early morning wakening. 

• Feeling worse in the mornings. 

• Over-eating 

• Loss of appetite 

• Lack of interest in sex 

• Lack of interest in things and people. 

• Becoming isolated from others 

• Loss of self-esteem and self-worth 

• feeling and thoughts of suicide 

• Wories that are going mad